Which process causes hillsides and mountains to gradually get smaller?

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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Answer:

ultrafiltration

Explanation:

the water and solutes pass through the glomerulus or filtration membrane inorder to be filtered

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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The sperm motility can be categorized in this microscopic field of a semen sample viewed at 400X magnification - Non-Progressive motility = 2; immotile = 3

Fast and slow progressive motility are calculated from the speed at which sperm migrating the flagella migrate at a certain volume percentage (range 0% to 100%) by counting 200 sperm.

Decreased sperm motility may be a symptom of disorders associated with male accessory gland secretion and the sequential ejection of these glands.

Routine sperm analysis should contain at least 50% progressively motile class A and B sperm. Sperm viability should be checked if more than 50% of the sperm are fixed. Persistent reduced mobility is a good indicator of infertility and is actually the more important outcome when making decisions about treatment options for couples.

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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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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.

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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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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The necessary condition is that the mineral must remain closed since its formation.

Radiometric dating, radioactive dating, or radioisotope dating is used to date rocks and carbon with trace radioactive impurities.

Heat, pressure, and temperature do not affect isotope decay. Radiometric dating is reliable. This method dates igneous and metamorphic rocks that sedimentary stratigraphic correlation cannot. 300 natural isotopes exist.

The parent's half-life must be known and long enough for it to be present in significant amounts at the time of measurement for accurate radiometric dating. Thus, mineral samples require these conditions for radiometric dating.

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Answer: Body imbalance such as affect balance and hearing.

Explanation:

At the point when an individual glance at a brilliant light, minuscule muscles in the eye contract so less light can enter the eye. These are in all probability the attributes of this muscle nonstriated, compulsory, and connected to the eyeball.

They are smooth muscles (nonstriated) that are not controlled intentionally. You don't get those minuscule muscles on your own will when you check a brilliant light out. It is additionally connected to the eyeball since it agrees to guarantee the most un-conceivable measure of light gets to your eye.

A few capabilities are automatically performed, for example, breathing, processing, heart pulsating, eye reflexes, and so on, however, a few compulsory activities have intentional control partially - models are breathing, salivation, deglutition (gulping), poop, micturition (pee) and others.

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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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Answer:

true

Explanation:

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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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.

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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Answer:

Diffusion

Explanation:

Diffusion is the net movement of particles

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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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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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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Three vegetarian choices for protein includes Grains and pulses, Dairy products and Soya and tofu.

Protein for vegetarians include beans, peas, and lentils, nuts and seeds and soy products. Protein is one of the most essential nutrients for daily life , as they are required to help your body repair cells and make new ones. Protein also plays crucial role in growth and development in children and expecting mothers .

In general , proteins are required for the repairing and building your body's tissues, They also allows metabolic reactions to occurs at place for easy body function . Hence , vegetarians should include protein from variety of protein sources to ensure proper body functioning .

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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

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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Chlorophyll, which is the pigment primarily responsible for the green color of leaves, absorbs light most efficiently in the blue and red parts of the spectrum.

Chlorophyll absorbs light in the blue and red regions of the spectrum because these are the wavelengths of light that are most useful for photosynthesis. The chlorophyll reflects green light, which is why leaves appear green. Other pigments such as carotenoids and anthocyanins, which give the leaves yellow, orange, and red colors respectively, also reflect certain colors and absorb other colors. In general, a leaf that appears darker in color will absorb more light than a leaf that appears lighter in color, because a darker leaf has more pigments that can absorb light. However, it is important to note that a leaf's color is not the only factor that determines how much light it can absorb. The thickness of the leaf, the angle of the light, and the presence of other substances on the leaf surface can also affect how much light the leaf can absorb.

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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.

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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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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Answer: D I believe

Explanation:

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

Answer:

Synergist an agent that increases the effectiveness of another agent when combined with it.