"The specific shape of a protein is determined by its original sequence of amino acids, which ensures proper function upon renaturation."
This statement correctly describes the relationship between the primary structure of a protein, its three-dimensional shape, and its function. The specific sequence of amino acids in a protein determines its conformation or 3D structure. This structure, in turn, is responsible for the protein's ability to perform its specific functions, such as catalyzing reactions, transporting molecules across membranes, or binding to other molecules. The specific shape of a protein is crucial for its function and any change in its primary structure can lead to a change in its conformation and subsequently in its function. Renaturation is a process in which a denatured protein (meaning it has lost its 3D structure) is returned to its native conformation by the application of appropriate conditions, such as pH, temperature, and salt concentration. If the primary structure of the protein is correct, it will be able to return to its native conformation and function properly after renaturation.
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What mechanism causes the movement of water and solutes through the filtration membrane in the nephron
Answer:
ultrafiltration
Explanation:
the water and solutes pass through the glomerulus or filtration membrane inorder to be filtered
What are the 3 Mendel's laws explain each one?
Mendel's laws are the principles of inheritance that Gregor Mendel uncovered via his research with pea plants. The dominance law, the law of segregation, and the law of autonomous assortment were the three laws that Mendel presented.
According to the law of dominance, if a person possesses two different alleles for the same trait, one will be dominant and the other recessive. The recessive allele does not express itself in the phenotypic, whereas the dominant allele does.
The law of segregation: This law states that during the formation of gametes, the two alleles for a given gene separate from each other so that each gamete receives only one allele. This means that when the gametes unite at fertilization, only one allele from each parent is passed on to the offspring for a given gene.
The law of independent assortment: This law states that the inheritance of one trait does not affect the inheritance of another trait. In other words, the alleles for different traits are inherited independently of one another.
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Geographic isolation can cause which of the following?
a Hybridization
b Allopatric Speciation
c Sympatric Speciation
d Polyploidy
What are the 3 factors that cause natural selection?
The 3 factors that cause natural selection are given as, reproduction.
heredity, variation in characteristics.
The variation in phenotypic variance-driven individual survival and reproduction is known as natural selection. The generational evolution of a population's heritable features is a fundamental mechanism of evolution. Charles Darwin popularized the term "natural selection" by comparing it with artificial selection, which in his view is intentional while natural selection is not. There are variations in every community of creatures. This occurs in part as a result of the possibility of random mutations occurring in an organism's genome, which its offspring may inherit. Throughout their lives, people's experiences and genetic makeup combine to produce a variety of phenotypes.
A genome's environment consists of the cellular molecular biology, as well as other cells, individuals, populations, species, and abiotic factors.
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What are 4 things that cause natural selection?
Natural selection consists of four components: variation, inheritance, rapid population growth, and differential survival and reproduction.
Natural selection is the process by which organisms with advantageous changes survive and reproduce more frequently. Adaptation is an inherited variation that increases an organism's chances of survival.
Individuals in a population are naturally variable, which means they differ in some ways. This variation indicates that some people have traits that are better suited to their environment than others.
Evolution refers to the gradual changes that occur in organisms over time that result in the formation of more complex forms. The study of the history of the evolution of newer forms of life on Earth from pre-existing forms over time is known as evolutionary biology.
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Societies may have different perspectives on the use of technology.which technological concerns is likely to be most relevant for the people living in this environment?
Answer: B, growing crops during a drought
Explanation:
The main challenge of living in a desert is the lack of food, which prompts a need for some way to irrigate crops during a time of water scarcity. Both food and water are critical for humans to survive, so the main priority is to help ensure an ample supply of those two things. Answer B satisfies this.
Although Options A and C is relevant in our modern time, for the people living in the environment plastic doesn't serve as a really helpful or useful case, especially in a survival context. Additionally, while Option C will help, it is not the most relevant detail in terms of survival. Both electric cars and plastics are luxuries.
For Option D, the taste of water is not very relevant to surviving in a desert environment. Humans need water, even if it does taste bad.
It is easier to carry out a controlled experiment in the field than it is in the laboratory. True or false
Answer:
true
Explanation:
Which of the following functions occurs in the part of the digestive system indicated by the arrow? dehydration and compaction of indigestible materials add breakdown of swallowed foods O secretion of bile and storage of nutrients O secretion of buffers and digestive enzymes
The correct option (a) Dehydration and compaction of indigestible materials add breakdown of swallowed foods.
The gastrointestinal tract, as well as the digestive organs, comprise the human digestive system (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion is the process of breaking down food into smaller and smaller components so that it may be absorbed and digested by the body. The digesting process is divided into three stages: cephalic, stomach, and intestine.
The initial step of digestion, known as the cephalic phase, begins with secretions from stomach glands in reaction to the sight and smell of food. This stage comprises the mechanical breakdown of food by chewing as well as the chemical breakdown by digestive enzymes in the mouth.
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Full Question: Which of the following functions occurs in the part of the digestive system indicated by the arrow?
dehydration and compaction of indigestible materials
Acid breakdown of swallowed foods
secretion of bile and storage of nutrients
secretion of buffers and digestive enzymes
What is the genotypic ratio of a heterozygous dihybrid cross?
The genotypic ratio is therefore = 1: 2: 1. As the name implies, a dihybrid cross involves mating two hybrid creatures with genes for two distinct features.
A dihybrid cross is a union of two organisms with heterozygosity for two different traits.
Male and female pea plants that are both heterozygously dominant for purple were crossed in a Punnett square. This cross's genotypic ratio is represented as 1:2:1. Each gene in both plants and animals carries two alleles, or variations, one from each parent.
Comparison of the two hybrid cross types. The homozygous recessive parent outnumbers the homozygous dominant parent. Similar to a dihybrid cross, a monohybrid cross results in an F1 generation that is entirely heterozygous and solely exhibits the dominant phenotype. However, The F2 generation's phenotypic ratio was found to be 3:1.
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A curriculum developed by an outside group for use by others is called a(n) _________.
a. peer reviewed program
b. canned program
c. independent program
d. culturally competent program
A curriculum developed by an outside group for use by others is called a canned program. So option b is correct.
A canned program is a pre-packaged curriculum that is designed and developed by an outside organization or group. It is then made available for use by other individuals or organizations without the need for significant modification or customization.
Canned programs are often used in education, where they are commonly used by schools or school districts to provide a standardized curriculum for students. They are also used in other fields, such as business and healthcare, where they provide a set of guidelines and procedures that are intended to be followed by employees or practitioners.
Canned programs are often developed by experts in a particular field, such as educators or subject matter experts, and are based on current research and best practices. They can be a valuable resource for organizations that do not have the resources or expertise to develop their own curriculum.
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What are some of the factors that can affect a change in the frequency of genetic alleles in a population?
Genetic drift, natural selection and gene flow are some of the factors that can affect a change in the frequency of genetic alleles in a population.
Alleles are basically two or more versions of the same gene present in the DNA. Allelic frequencies basically determine the number of times a particular allele of a gene is found in a specific population. The allelic frequency of a population changes over time and is dictated by a few factors like natural selection, gene flow and genetic drift.
Natural selection is the process by which the organisms which have desirable characteristics are able to survive over the ones who do not. Genetic drift is the process in which a change in allelic frequency is observed due to chance. Gene flow is when there is a movement of genes in and out of a particular population.
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Once pyruvate is produced in glycolysis, the cell has two choices, without oxygen which option does it NOT have? A. Oxidative phosphorylation C. Anaerobic respiration B. Alcoholic fermentation D. Lactic acid fermentation
Once pyruvate is produced in glycolysis, cell has two choices, without oxygen, option that it does not have: A.) Oxidative phosphorylation. It is the final stage of aerobic cellular respiration.
What happens to pyruvate after glycolysis without oxygen?When oxygen is not present, pyruvate undergoes a process called fermentation. In the process of fermentation, NADH + H+ from glycolysis will be recycled back to NAD+ so that glycolysis can continue. In the glycolysis, NAD+ is reduced to form NADH + H+.
If insufficient oxygen is available, acid is broken down anaerobically, producing lactate in animals and ethanol in plants and microorganisms.
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A small amount of DNA was taken from a fossil of a mammoth found frozen in glacial ice. Genetic technology can be used to produce a large quantity of identical DNA from this mammoth's DNA. In this technology, the original DNA sample is used to
A small amount of DNA was taken from a fossil of a mammoth found frozen in glacial ice. Genetic technology can be used to produce a large quantity of identical DNA from this mammoth's DNA. In this technology, the original DNA sample is used to Act as a template for repeated replication.
What exactly do you mean by "genetic technology"?
Gene technology refers to a wide variety of activities related with understanding gene expression, exploiting natural genetic diversity, changing genes, and transferring genes to other hosts. Genes may be present in all living creatures and are handed down from generation to generation.
Genetic engineering has been used in science and industry to create cancer medicines, brewing yeasts, genetically engineered plants and livestock, and more.
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3 Two true breeding parents are crossed similar to Mendel's P generation. A tall plant is crossed with a short plant. What is the expected outcome for the F1 generation
All tall will be the expected outcome for the F1 generation. To create the P generation, Mendel crossed two pure breeding parents. A tall plant and a short plant have been crossed. In the first generation following the cross, one version of a trait.
Such as tall, always concealed the other form, such as short. Mendel referred to the dominant trait as being visible, and the recessive trait as being concealed. The buried version of the trait resurfaced in a small percentage of the plants in the second generation when plants were permitted parents to self-fertilize (pollinate themselves). The ratio was specifically 3:13:13, colon, 1, meaning that there were always roughly 333 plants that displayed the dominant characteristic (for example, tall) for every 111 plants that displayed the recessive trait.
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In 1973, Stanley Cohen and Herbert Boyer inserted a gene from an African clawed frog into a bacterium. The bacterium then began producing a protein directed by the gene from the frog.
Which is considered a transgenic organism?
Since the bacterium expresses the foreign gene from the African clawed frog, therefore, the bacterium is considered as the transgenic organism.
Gene is the most basic unit of heredity. It is the segment of DNA that encodes for a particular protein. There are various genes present in a single DNA strand. The genes are further composed of alternative forms called the alleles.
Transgenic refers to the phenomenon where DNA segment from an unrelated organism is artificially introduced and expressed in the host's genetic machinery. Such an organism is called the transgenic organism. And the artificially introduced gene is called transgene.
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Under which of the following conditions will the lac operon be expressed at the highest level? a. Glucose and lactose present b. Glucose present, lactose absent c. Glucose absent, lactose present d. Glucose and lactose absent
Two requirements must be satisfied for the lac operon to express at high levels: There must be no glucose.
What does a high glucose level mean?Because the body doesn't produce enough insulin, hypoglycemia (high blood glucose) occurs because there is too much sugar inside the blood. Vomiting, increased appetite and thirst, a rapid heartbeat, problems with vision, and other symptoms are signs of hyperglycemia, a diabetic symptom. Serious health issues might result from untreated hyperglycemia.
What is a healthy blood sugar level?Sugar levels around 140 ppm (7.8 mold/L) are considered normal. After two hours, a result of greater above 200 mg/dL (11.1 meq) indicates diabetes. You have prediabetes if your blood sugar level is between 140 or 199 mg/dL (7.8 molar ratio and 11.0 mmol/L).
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A scientist genetically engineered a grain cereal. The genetically engineered variety can produce its own vitamins and is drought resistant. What is the likely impact of growing such a cereal crop on the society
The correct response is (C) since it would help the hungry people. Cereal grains that have been genetically engineered offer several benefits for civilisation.
Both farmers and the poor would gain from a GM grain variety that can produce its own vitamins and is drought tolerant.
The multiple environmental challenges affecting agricultural output have been further exacerbated by drought. Even in the absence of much rain or water, crop varieties that are resistant to drought provide a high yield. In areas that are prone to drought, these kinds have generated a significant yield.
Vitamins are necessary for a healthy diet. They are necessary for many different bodily metabolic activities. Thus, including genes that code for the synthesis of vitamins in cereal grains such as rice aids in feeding the population that is undernourished.
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Full Question ;
A scientist genetically engineered a grain cereal. The genetically engineered variety can produce its own vitamins and is drought resistant. What is the likely impact of growing such a cereal crop on the society?
a. May trigger an adverse climate change
b. May worsen the water crisis around the world
c.Would be beneficial for the malnourished population
d. Would increase the shortage of food around the world
Which statement best explains the passage's connection to life in the Soviet Union under Joseph Stalin: Snowball's interaction with the farmers parallels the way in which spies undermined Stalin's power.
Boxer's puzzlement shows that he does not believe that Snowball is a traitor, which represents people's loyalty to Stalin.
Snowball's bravery during the Battle of the Cowshed earns him an award, which reflects the fighting that occurred.
Squealer's false claim that he has documents to prove that Snowball is a traitor reflects lies used to control people.
Squealer's false claim that he has documents to prove that Snowball is a traitor reflects lies used to control people.
The statement that explains the connection of passage to life under Joseph Stalin in the Soviet Union is Squealer's false claim that he has documents to prove that Snowball is a traitor reflects lies used to control people.
Thus, the correct answer is D.
Who wrote Animal Farm?Аnimаl Fаrm wаs sаtiricаl novel being written by аn аuthor nаmed George Orwell. It wаs published in the yeаr 1945 in the country of Englаnd. It wаs а story relаting to the аnimаls in the fаrmlаnds where rebel wаs аgаinst their fаrmers аnd wаnted thаt аll the аnimаls giving equаl treаtment.
Аccording to the excerpt, the fаlse clаim given by Squeаler thаt he hаs the records which proven the existence of Snowbаll. Snowbаll is а betrаyаl person which reflected his behаvior of being lied to control the people аround him. This explаins the connection to the life of Joseph Stаlin in the country of Soviet Union аs perceived in the pаssаge tаken from the novel nаmed 'Аnimаl Fаrm'.
Your question is incomplete, but most probably your full passage was
"Comrades!" cried Squealer, making little nervous skips, "a most terrible thing has been discovered. Snowball has sold himself to Frederick of Pinchfield Farm, who is even now plotting to attack us and take our farm away from us! Snowball is to act as his guide when the attack begins. But there is worse than that. We had thought that Snowball's rebellion was caused simply by his vanity and ambition. But we were wrong, comrades. Do you know what the real reason was? Snowball was in league with Jones from the very start! He was Jones's secret agent all the time. It has all been proved by documents which he left behind him and which we have only just discovered. To my mind this explains a great deal, comrades. Did we not see for ourselves how he attempted—fortunately without success—to get us defeated and destroyed at the Battle of the Cowshed?"
The animals were stupefied. This was a wickedness far outdoing Snowball's destruction of the windmill. But it was some minutes before they could fully take it in. They all remembered or thought they remembered, how they had seen Snowball charging ahead of them at the Battle of the Cowshed, how he had rallied and encouraged them at every turn, and how he had not paused for an instant even when the pellets from Jones's gun had wounded his back. At first, it was a little difficult to see how this fitted in with his being on Jones's side. Even Boxer, who seldom asked questions, was puzzled. He lay down, tucked his forehoofs beneath him, shut his eyes, and with a hard effort managed to formulate his thoughts.
"I do not believe that," he said. "Snowball fought bravely at the Battle of the Cowshed. I saw him myself. Did we not give him 'Animal Hero, First Class,' immediately afterwards?"
"That was our mistake, comrade. For we know now—it is all written down in the secret documents that we have found—that in reality, he was trying to lure us to our doom."
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Claim 1: The sediment that formed the Great Plains came from the rock of the Rocky Mountains. Claim 2: The magma that formed the Rocky Mountains came from the rock of the Great Plains. Which claim is wrong Give evidence to refute/disprove the other claim
Claim 1: The debris that shaped the Great Plains originated from the igneous material of the Rocky Mountains. (correct)
Claim 2: The magma that produced the Rocky Mountains originated from the Great Plains' rocks. (incorrect)
Great Plains vs Rocky MountainsThe Great Plains were formed by sediment from the Rocky Mountains being transported and deposited by rivers and other geological processes. The sedimentary rock that makes up the Great Plains includes materials such as sand, silt, and clay that were worn down from the uplifted Rocky Mountains and carried eastward by streams and rivers.
The Rocky Mountains were formed by tectonic activity that caused the Earth's crust to uplift and create the mountain range. The mountains are primarily composed of igneous and metamorphic rock that formed deep within the Earth's crust, rather than from the sedimentary rock of the Great Plains.
There is no evidence that supports claim 2, the magma that formed the Rocky Mountains did not come from the rock of the Great Plains. The magma that formed the Rocky Mountains came from the Earth's mantle, which is beneath the crust and is composed of mostly solid rock. The Great Plains being sedimentary rock, formed from erosion and weathering of pre-existing rock.
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Which concept should be used to describe the functioning of the serratus anterior as it assists the anterior deltoid during shoulder flexion
Answer:
Synergist an agent that increases the effectiveness of another agent when combined with it.
The BRCA genes produce DNA repair proteins. Genetic testing is available that can determine if a person has a mutation in the BRCA genes that makes the proteins less able to function. What is the result of a BRCA mutation
A BRCA gene mutation is an alteration in the genes that produce the proteins responsible for DNA repair. These proteins are essential for maintaining the integrity of the cell’s DNA and for preventing cancer.
The presence of a BRCA mutation increases the risk of developing certain types of cancer, such as breast, ovarian and prostate. Women with a BRCA mutation have up to an 85 percent risk of developing breast cancer, and up to a 60 percent risk of developing ovarian cancer. Prostate cancer is more likely to affect men who have a BRCA mutation.
A BRCA mutation can also be inherited, meaning that it can be passed from one generation to the next. Genetic testing is available to determine if a person has a BRCA mutation, and if so, to identify the specific mutation. This information can help to inform decisions about cancer screening and preventive measures.
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Mesosaurus was a freshwater reptile whose fossil was found in the northwest part of South America and __________. Alfred Wegener used the placement of this fossil as scientific proof of his continental drift theory.
Mesosaurus was a freshwater reptile whose fossil was found in the northwest part of South America and the southeast part of Africa Alfred Wegener used the placement of this fossil as scientific proof of his continental drift theory .
Alfred Wegener amassed a plethora of data to back up his idea, including geological "fit" and fossil evidence. It is crucial to note that Wegener did not present the following particular fossil data to support his claim.
Wegener did not gather the fossils, but he drew attention to the concept of utilizing scientific documents saying that there were remains of species extant on several continents to support his argument.
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What is a summary of the nitrogen cycle?
Why isn't glycolysis considered a closed pathway?
the sympathetic trunks are located immediately lateral to the ______.
The sympathetic trunks are located immediately lateral to the vertebral bodies of the vertebral column.
Sympathetic trunks are two ganglionated nerve trunks that form the bundle of nerve fibers paired together and run from the base of the skull to the coccyx.
This sympathetic trunk lies just lateral to the vertebral bodies for the entire length of the vertebral column.
Sympathetic trunks are a fundamental part of the sympathetic nervous system while also being a part of the autonomic nervous system. They allow both superior and inferior nerve fibers to travel to the spinal cord to commence the regulatory actions in the body.
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How do snails protect themselves from predators?
Their are various adaptation that helps snail to defend from predators that include cryptic coloration , thickened outer shell . They also produces mucous and irritating smells . They have quick hiding and withdrawal behaviors.
In general ,snails have a hard exoskeleton usually formed from crystalline calcium carbonate. these shells helps to protect snails from predators and some time extreme temperature. In addition they can also help with the defence against nematodes. These shells have many different structures like the one with spiral shapes helps for better hiding from predators .
Snails are also capable of regenerating the broken shell which is also an adaptation strategy .
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The organism in the image is a free-living one that is anchored to the bottom of ponds and streams. What is the common name of this organism
Dedarians are a type of free-living organism that are usually found anchored to the bottoms of ponds and streams. They are usually found in freshwater habitats and are related to the annelid family.
Dedarians have an elongated, segmented body and are usually transparent. They have a single set of antennae and two sets of parapodia that help them move. They are filter feeders and typically feed on small particles suspended in the water. They also use their parapodia to collect organic matter from the sediment and process it through their digestive system.
Depending on the species, dedarians have the ability to procreate both sexually and asexually. They are a beneficial part of the aquatic ecosystem as they help to keep the water clean by consuming small particles of organic matter. They also provide food for fish, amphibians, and other aquatic organisms. Dedarians are incredibly important to their environment and should be protected from environmental damage.
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Data was collected concerning Galapagos bird beak size over time. There are several species finches, and they are also known as
Darwin's Finches. These finches share the same habits and characteristics except for one; they all have different shaped and sized
beaks. The differences in their beaks might be the most important aspect of their survival. Around 1977, there was a huge drop in
finches with small beaks while there was a great increase in large-beaked birds. How can you explain this?
A)
The small-beaked finches were prey for larger animals.
B)
The large-beaked birds preyed on the small-beaked birds.
Available food changed and the small beaked birds could not readily adapt.
D)
Competition for food favored large beaks; the small beaked birds died off.
The struggle among Darwin's Finches, which is especially fierce during dry spells due to food scarcity, benefits those who are most adapted to their environment, according to the best conclusion.
Different finches species have nutritional specializations that are characterized by variations in their beaks due to diverse ecological settings on the same island.
Additionally, it has been demonstrated that finches that live in highly planted zones have a distinct call than those that reside in less vegetated areas, expanding their spectrum of mating calls.
A couple that belongs to the same milieu (environment) is more likely to be discovered as a result of this event, and it is from that point that the stabilization of genetic traits unique to the ecological environment occurs.
With this information, we can conclude that competition, which is particularly severe in periods of drought due to food shortages, favors the individuals most adapted to their environment. Because they have a greater chance of survival and, therefore, of reproduction, their particular genetic characteristics tend to be passed on to subsequent generations.
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A dwarf, red snapdragon is crossed with a plant homozygous for tallness and white flowers. What are the genotype and phenotype of the F1 individuals
The genotype of the F1 individuals in this cross is heterozygous, containing both the alleles for tallness and white flowers and the alleles for dwarfism and red flowers. The phenotype of the F1 individuals is tall plants with white flowers.
The dwarf, red snapdragon crossed with a plant homozygous for tallness and white flowers is an example of a monohybrid cross. A monohybrid cross is a type of genetic cross that only involves the inheritance of one trait, such as flower color and plant height. In this particular cross, the dwarf, red flower snapdragon is being crossed with a plant homozygous for tallness and white flowers.
The genotype of the F1 individuals in this cross will be heterozygous, meaning they will possess both the alleles for tallness and white flowers and the alleles for dwarfism and red flowers. The phenotype of the F1 individuals will be tall plants with white flowers. This is because the recessive alleles for dwarfism and red flowers will be masked by the dominant alleles for tallness and white flowers.
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What is a possible effect of leakage of inner ear fluid?
Answer: Body imbalance such as affect balance and hearing.
Explanation: