According to the question, there are several craters that were created by volcanic eruptions in Maria.
What triggers erosion?When earth is exposed to high winds, heavy rains, and moving water, soil erosion predominantly takes place. Some anthropogenic impacts, like farming and clearing land, make soil more prone to erosion.
What is the straightforward meaning of erosion?Mud - brick minerals are worn away during erosion, a geology process in which they are moved by wind or water. Buffeting, a related process that does not involve movement, degrades or breaks down rock. A little rock fragment being carried away from a mountainside by the wind as an illustration of erosion.
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The correct question is-
Choose the statement that best describes the Moon's landscape.
A. sparse vegetation, very little erosion, sandy soil
B. riverbeds with boulders, dust storms, bad weather
C. many craters, maria formed from volcanic eruptions
D. almost flat and featureless with some rolling hills
Two organ systems are dedicated to internal coordination, communication between other systems and maintaining overall homeostasis. They are the _________ system which communicates by means of hormones and the ______ system which sends quick electrical and chemical messages from cell to cell
Two organ systems are dedicated to internal coordination, communication between other systems and maintaining overall homeostasis. They are the endocrine system which communicates by means of hormones and the nervous system which sends quick electrical and chemical messages from cell to cell.
Endocrine system is a communication system that uses feedback loops to control distant target organs by controlling hormones secreted by internal glands of an organism directly into the circulatory system. All endocrine systems in vertebrates are controlled neurally by the hypothalamus.
The brain, spinal cord, and a sophisticated nerve network are all parts of the nervous system. The brain and the body are communicated with via this system. All bodily functions are managed by the brain. From the brain, the spinal cord descends via the back.m cell to cell.
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a plant homozygous for the unlinked dominant alleles a, b and g is crossed with another plant that is homozygous for the recessive alleles a, b and g. how many different genotypes in the f2 population will give rise to the abg phenotype?
A plant that is homozygous for the unconnected dominant alleles a, b, & g crossed with some other plant that is homozygous again for recessive alleles a, b, and g will result in the abg phenotype in the f2 population is 9÷64 genotypes.
Given, AABBGG X aabbgg = AaBbGg (F1)
The resultant self-fertilized F1 offspring.
AaBbGg X AaBbGg :
If we look at certain crosses:
A a
A AA Aa
a Aa aa
3÷4 will exhibit the dominant A phenotype in the offspring ( AA, Aa ). Similarly,
3÷4 will exhibit the dominant B trait in the progeny ( BB, Bb ).
G g
G GG Gg
g Gg gg
1÷4 if the offspring will have a recessive g trait (gg).
The total number of children who will exhibit the ABg phenotype:
3÷4 × 3÷4 × 1÷4 = 9÷64
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What is insolation? What's an example?
what is the term for a normally diploid organism that would have two sets of chromosomes from one species and have one set of chromosomes from another species?
Allopolyploid is the term for a normally diploid organism that would have two sets of chromosomes from one species and have one set of chromosomes from another species.
A species has two or more full sets of chromosomes from several species is known as an allopolyploid. While an autopolyploid, like salmon or potatoes, arises through genome duplication within the same diploid organism, an allopolyploid, like wheat or the African clawed frog, is created by hybridization with two or more species and chromosomal doubling. When two closely related species hybridize, the process usually involves fertilizing two unreduced gametes or, less frequently, doubling the diploid organism genome after fertilizing two reduced gametes.
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Which part of the model represents solar energy?
A. The hot plate
B. The jar of water
C. The metal bowl
D. The ice cubes
cytosol is composed of water and other molecules, including enzymes, which are proteins that speed up the cells chemical reactions. question 8 options: true false
cytosol is composed of Water, dissolved ions, tiny molecules, and big water-soluble molecules make up the majority of the cytoplasm composition (such as proteins). enzymes speed up the cells chemical reactions.
Additionally, cytosol, a jelly-like material, is present inside every cell. Water and other chemicals make up cytosol, as do proteins called enzymes that quicken cellular chemical activities. Like fruit in a jello pudding, everything in a cell rests in the cytoplasm. Every protein starts its production in the cytoplasm. However, some enzymes are moved to other chemical reaction while the majority remain there permanently. Certain molecules are entirely produced in the cytoplasm.
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Minerals are divided into eight major groups by? a. physical properties b. Chemical compositions c. crystalline structure d. Color and luster
Minerals are divided into eight major groups by their chemical compositions. Thus, the correct option is B.
What are Minerals?Minerals can be defined as the naturally occurring inorganic element or compound which have an ordered internal structure and characteristic chemical composition which is different for different minerals, crystal form, and the physical properties. Minerals differ from rocks that are naturally occurring solids which are composed of one or more minerals.
Minerals are conveniently divided into the following eight major mineral groups on the basis of their chemical compositions including native elements, sulphides and arsenides, oxides, chlorides, fluorides, carbonates, silicates, phosphates, and sulphates.
Therefore, the correct option is B.
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In the figure below, working from the inside out, what would be the order of components observed? Water-filled bubble made of phospholipids
water, hydrophilic head, hydrophobic tail, hydrophobic tal, hydrophilic head, water hydrophobic tail, water, hydrophilic head, hydrophilic head, water, hydrophobic tail water, hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail, water water, hydrophobic tail, hydrophilic head, hydrophilic head, hydrophobic tail, water
According to the figure below, the correct order of the components, working from the inside out, is:
WaterHydrophilic headHydrophobic tailHydrophobic talHydrophilic headWater hydrophobic tailWaterCorrect answer: letter B.
This order of the components ensures that the cell membrane is stable and able to effectively regulate the flow of substances into and out of the cell.
Function of the cellular components of a phospholipid bilayerThe cell components that make up a phospholipid bilayer are arranged in a specific order, working from the inside out:
The water molecules are located in the center, surrounded by a hydrophilic head group which is attracted to the water. This is followed by a hydrophobic tail which is repelled by the water and forms the outer layer of the cell membrane.Finally, a second layer of water is located on the outside, providing additional stability to the structure.Learn more about phospholipid bilayer:
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A force of 200 N accelerates a bike and rider at 2 m/s2. What is the mass of the bike and rider?
Answer:
100 kg
Explanation:
F = ma
F/a = m
m = 200/2
m = 100 kg
I hope my answer helps you.
some flatworms have an epithelial that is one singular multinucleated cytoplasm. this condition is referred to as:
The flatworms, also known as flatworms are a class of unsegmented, soft-bodied, bilaterian invertebrates that are relatively basic.
Flatworms are acoelomates (have no body cavity), unlike other bilaterians, and lack specific circulatory and respiratory organs, which forces them to adopt flattened forms that permit oxygen and nutrients to diffuse through their bodies. Food cannot be continually processed because there is only one opening in the digestive cavity for both ingestion (the absorption of nutrients) and egestion (the elimination of unprocessed trash).
Any member of the phylum flatworm, commonly known as platyhelminth Platyhelminthes are a class of invertebrates with soft bodies that are typically very flattened. There are several free-living flatworm species, but around 80% of all flatworms are parasitic, meaning they live on or in another organism and get their nutrition from it. They lack specific respiratory, skeletal, and circulatory systems, are bilaterally symmetrical (i.e., the right and left sides are comparable), and lack a bodily cavity (coelom). The body is not segmented; spongy connective tissue (mesenchyme) fills the space between organs and makes up the so-called parenchyma.
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the deltoid tuberosity is a bone marking on the lateral surface of the shaft of the humerus. what is the function of this bone marking?
The deltoid muscle has an attachment point at the proximal deltoid tuberosity of the humerus, which is located about one-third of the way to the elbow.
The deltoid tuberosity is a roughened, V-shaped region that is situated in the body (diaphysis) of the humerus. Function: acts as a point of connection for the deltoid tendons. Located near the distal end of the humerus is the medial epicondyle. Function: Acts as a point of attachment for the majority of the forearm's muscles. The scapular spine and the lateral third of the clavicle serve as its base (or origin). The insertion site for the trapezius muscle is similar to this U-shaped origin point.
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a long bone has an expanded portion at each end called an epiphysis and a shaft called the
The shaft of a long bone is called the diaphysis.
because of their large size, proteins, nucleic acids, carbohydrates, and lipids are together called a. solutions. b. elements. c. hydrocarbons. d. macromolecules.
Because of their large size, proteins, nucleic acids, carbohydrates, and lipids are together called macromolecules.
What is Macromolecules?
The word "molecule" describes both very big molecules and objects with several atoms. It was first used in 1920 by Herman Staudinger. Because macromolecules are so large, they often include 10,000 or more atoms.
Polymers are another name for macromolecules. They are produced when molecules like carbon, hydrogen, and oxygen are polymerized. Macromolecules are made up of monomers, which are polar in nature and have distinct physical and chemical characteristics in their heads and tails.
Large, complex molecules are known as macromolecules. They frequently result from the synthesis of smaller molecules like as proteins, lipids, and carbohydrates.
A polymer is another term for a macromolecule that comes from the Greek word poly-, which means "many units." To put it simply, a macromolecule is the result of many smaller molecular units.
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introduced species can have important effects on biological communities by ______.
By competing with local species for resources, diminishing biodiversity, preying on native species, and displacing native species, organisms can have significant consequences on biological ecosystems.
What are some biological examples?Having refers to a substance used in medicine that was made from a living entity or one of its metabolites. Disease can be treated, identified, or relieved with biologicals. Interleukins, antigens, and vaccination are only a few example of biologicals.
What makes biological important?Biology is a discipline of study that helps us comprehend how various species of the living world, including humans, function, evolve, and interact with one another. Improvements in biology, such as advances in medicine, nutrition, dna, and many other areas, have raised the level of living.
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Mammals do not live in the tundra, because the climate is too extreme.truefalse
Answer:
False.
Explanation:
I just took the test and got it wrong when answered true.
which condition causes impaired speech coordination cranial nerve lesion occipital lobe lesion parietal cortex lesion limbic lobe lesion
Part of the left temporal lobe is responsible for language comprehension in most persons. Wernicke (receptive) aphasia occurs when this region is injured, causing severe difficulties with both word recall and language comprehension.
Damage to the right temporal lobe has been linked to difficulties remembering sounds and music. Due to this, some people may find it difficult to sing.
Brain connection is crucial. Your brain communicates internally and externally using electrical and chemical impulses. Brain lesions impede brain transmission. Disruption increases with damage severity.
Brain lesions are damaged tissue. Brain traumas or diseases create this harm. Brain lesions include strokes. Lesions can affect brain function, causing weakness, sensory disruption, and disorientation.
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under standard conditions, total how many molecules of atp could be generated from metabolism of one glucose molecule?
Under standard conditions, 38 ATP molecules can be made per oxidized glucose molecule during cellular respiration (2 from glycolysis, 2 from the Krebs cycle, and about 34 from the electron transport system).
Glucose is converted to ATP through a metabolic process termed cellular respiration. Two of the processes involved in cellular respiration are glycolysis and pyruvate oxidation.
When oxygen comes into contact with a substance or an element, an oxidation reaction occurs. Another way of defining oxidation is the removal of hydrogen from reactant species. When an ion, particle, or molecule loses electrons, it goes through oxidation.
In the mitochondria of living things (animals and plants), the process of breaking down sugar in the presence of oxygen releases energy in the form of ATP. Carbon dioxide and water waste are produced as a result of this process.
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Identify levels of ecological hierarchy and be able to describe each level
Answer:
Organism → Population → Community → Ecosystem → Biosphere
Explanation:
Organism: Survival & Reproduction; the unit of natural selection
Population: Population dynamics; the unit of evolution
Community: Interactions among populations
Ecosystem: Energy Flux & cycling of nutrients
Biosphere: Global Process
what types of cells continue to differentiate, and which cells immediately undergo terminal differentiation?
These embryonic stem cells are pluripotent. This means they can change into multiple cell types.
Cells that can differentiate into all cell types in an adult organism are called pluripotent. Although such cells are called meristematic cells in higher plants and embryonic stem cells in animals, some groups have adult pluripotent cells present in the developing embryo 4–7 days after fertilization.
Embryonic stem cells (ESCs) are found in the inner cell mass of the human blastocyst, an early stage of the developing embryo lasting from the 4th to 7th day after fertilization. In normal embryonic development, they disappear after the 7th day and begin to form the three embryonic tissue layers.
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Consider the following DNA template strand:
3' ATC CAG ATG AAC AGC AAT 5'
Which is the correct complementary mRNA strand?
A) 3' TAG GTC TAC TTG TCG TTA 5'
B) 3' UAG UCG UAC UUG GUC UUA 5'
C) 5' ATC CAG ATG AAC AGC AAT 3'
D) 5' UAG GUC UAC UUG UCG UUA 3'
Thanks for the help!! :)
Answer:
D
Explanation:
DNA to mRNA translation is as follows:
A=U
T=A
C=G
G=C
I took a biomedical class a year or so ago so hopefully I remember it correctly.
A group of students are studying flower color inheritance in the garden pea plant (Pisum sativum).
They obtain a purple-flowered pea plant of unknown ancestry, allow it to self-pollinate, and
collect 60 of its seeds. After planting the seeds, they observe the growth of 42 purple-flowered
plants and 18 white-flowered plants.
Which of the following best explains the flower colors seen in the offspring?
Choose 1 answer:
A. A somatic mutation in the flower color gene produced the white flower color.
B. White flower color is a trait recessive to purple flower color.
C. Purple flowers and white flowers are codominant.
D. The flower color changes as the plants mature.
B. White flower color is a trait recessive to purple flower color
Explain how retention of the notochord in adult hagfish helps with their locomotion.
Long Version:
The retention of the notochord in adult hagfish helps with their locomotion by providing structural support and allowing for flexion and extension of the body. The notochord is a flexible rod-like structure that runs along the length of the body and provides support for the muscles and other tissues. In hagfish, the notochord persists into adulthood and is surrounded by a sheath of muscle tissue.
The notochord allows hagfish to flex and extend their body in a lateral (side-to-side) motion, which is used for swimming and burrowing. When the hagfish extends its body, the notochord straightens and the muscles surrounding it contract, creating a wave-like motion that propels the hagfish forward. When the hagfish flexes its body, the notochord bends and the muscles relax, allowing the hagfish to move in a different direction or to stop swimming.
Overall, the retention of the notochord in adult hagfish helps with their locomotion by providing structural support and allowing for flexion and extension of the body. This enables hagfish to move effectively in their aquatic environment and to perform a variety of behaviors, such as swimming, burrowing, and capturing prey.
Shorter Version:
The retention of the notochord in adult hagfish helps with their locomotion by providing structural support and allowing for body flexion and extension. This enables hagfish to move effectively in their aquatic environment and to perform a variety of behaviors.
Which of the following is NOT a step in hypothesis testing? Select one: a. Find the confidence interval. b. Use the level of significance and the critical value approach to determine the critical value of the test statistic c. Formulate the null and alternative hypotheses d. Use the rejection rule to solve for the value of the sample mean corresponding to the critical value of the test statistic. When population standard deviation (σ) is unknown, we use sample standard deviation (s) to estimate σ.
Then the margin of error, the interval estimate for the population and hypothesis test are based on a probability distribution known as the Select one: a. t-distribution. b. z-distribution. c. degrees of freedom. d. both z and t distribution.
Answer:
the answer is c
Explanation:
If the independent variable DOES effect the outcome of the experiment, the Chi-Squared value will be ______ the critical value because you are ________ the null hypothesis.
If the independent variable does affect the outcome of the experiment, the Chi-square value will be greater than the critical value because you are rejecting the null hypothesis.
What is Chi-square?The Chi-square is a statistical tool used to test the significant difference between two sets of similar data. It is an inferential statistical tool that can be used to test the acceptability or otherwise of null hypotheses.
The Chi-square value from data must be greater than the critical value in order for the null hypothesis of the experiment that serves as the source of the data to be rejected. The conclusion would be that there is no significant difference between the two sets of data.
On the other hand, when the critical Chi-square value is greater than the calculated value, the null hypothesis is accepted and the conclusion would be that there is no difference between the two sets of data.
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potatoes fried in oil are high in fat and carbohydrate, while boiled potatoes are low in fat and high in carbohydrate. 20. which meal would have a faster rate of carbohydrate absorption and why?
Because the carbohydrates in boiling potatoes digest more quickly and are absorbed by the body more quickly, boiled potatoes would have a quicker rate of carbohydrate absorption.
What are carbohydrates?Carbohydrates frequently receive a poor rap, especially when it comes to gaining weight. But not all carbohydrates, generally known as carbs, are harmful. Because of all the health benefits they provide, carbohydrates have a place in a healthy diet. In actuality, carbs are necessary for the body to function correctly. Some carbohydrates, meanwhile, can be better for you than others.
Carbohydrates are a particular class of macronutrient that can be found in a wide range of foods and beverages. The majority of carbohydrates are naturally present in plant-based diets, such grains. Additionally, producers of processed foods add additional sugar or starch as carbs.
Natural sources of carbohydrates are mostly found in:
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If nerve fibers were to lose their myelin what would happen to the nerve impulses?
Answer: If the myelin coating on nerve fibers were to be lost, it would disrupt the transmission of nerve impulses. Myelin acts as insulation around the nerve fibers, allowing the nerve impulse to travel quickly and efficiently. Without myelin, the impulse would be slowed down or stopped completely, resulting in impaired communication between the brain and other parts of the body. This can lead to a variety of symptoms depending on the location and extent of the myelin loss, such as weakness, paralysis, sensory deficits, and impaired cognitive function.
Explanation:
Answer:
The Nerve Pulses would be slowed down
Credentials:
Undergraduate in Neuroscience/Biology
Explanation:
If nerve fibers were to lose their myelin, the nerve impulses would be slowed down or disrupted. Myelin is a protective sheath that surrounds nerve fibers and helps to insulate them. It acts like the insulation on an electrical wire, allowing nerve impulses to travel more efficiently along the fiber. Without myelin, the nerve impulses would be slowed down or disrupted as they travel along the fiber. This could lead to a variety of symptoms, depending on which nerve fibers are affected and to what extent. In some cases, the loss of myelin can result in muscle weakness, numbness, tingling, or difficulty with coordination. In severe cases, it can lead to paralysis or other serious neurological problems.
an endocrine gland is a type of organ group of answer choices required for remodeling bone. where hormones are produced and then released into the blood. where neuronal signals are generated. restricted to the production of growth factors. none of the choices are correct.
An endocrine gland is a type of organ (b) where hormones are produced and then released into the blood.
Endocrine glands discharge their specific compounds into the circulation without passing via a duct, in contrast to exocrine glands (sweat, salivary). These endocrine glands are part of the body's regulatory system, and they generate hormones that aid in controlling how cells and tissues operate. There are several glands that are only found in males (testes) or females (ovaries).
Hormones are molecules that have an impact on a wide range of physiological processes, from hunger, reproduction, and development to far more complex processes like human emotions and behaviour. The endocrine system is made up of the nine principal glands in our bodies, which generate these hormones, as well as other organs that perform auxiliary jobs.
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If an individual is a carrier of an infectious disease, he is __________.
both symptomatic and noninfective
both asymptomatic and infective
infective
asymptomatic
If an individual is a carrier of an infectious disease, then he will be: both asymptomatic and infective.
Infectious disease refers to the type of diseases that are caused by harmful microorganisms like bacteria, virus, protozoans, etc. These organisms may be present inside or even outside of the body and cause the disease. The example of infectious diseases are: Common cold. flu (influenza), COVID-19, Stomach flu (gastroenteritis), Hepatitis, etc.
Carrier person in case of an infectious disease is the one who does not exhibit any infection or symptoms on itself but possess the pathogenic organism and thus can transfer it to other living beings.
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The intergovernmental panel on climate change reported in 2007 that atmospheric carbon dioxide levels will nearly double by the end of this century compared to the levels end of 20th century. If this happens, what will be the atmospheric concentration of CO2?
700PPM will be the atmospheric concentration of [tex]CO_{2}[/tex].
The primary cause of the rise in carbon dioxide concentrations is the use of fossil fuels by humans as a source of energy. We are adding carbon to the atmosphere in only a few hundred years that plants removed from the atmosphere through photosynthesis over many millions of years in the form of fossil fuels like coal and oil.
According to the Global Carbon Update 2021, annual emissions from burning fossil fuels have gone up every decade since the middle of the 20th century, from an average of 3 billion tonnes of carbon (11 billion tonnes of carbon dioxide) a year in the 1960s to 9.5 billion tonnes of carbon (35 billion tonnes of carbon dioxide) a year in the 2010s.
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which areas of the brain are most responsible for activating the body’s defense cascade?
Areas of the brain are most responsible for activating the body’s defense cascade the extended
amygdala
, hypothalamus, periaqueductal gray (
PAG
), ventral pontine tegmentum, ventral and dorsal medulla, and spinal cord.
Evolution has endowed all humans with an innate, wired, automatically activated continuum of defensive behaviors called the defensive cascade.
Arousal
is the first step in activating the defense cascade. Flee or fight is an active defensive reaction to deal with threats. A freeze is a frozen flight or fight response. Anky Fudo and Collapsed Fudo are last resorts against inevitable threats when active defense fails. And quiet
immobility
is a state of rest that promotes rest and healing.
Each of these defense responses has unique neural patterns mediated by common neural pathways: the amygdala,
hypothalamus
, periaqueductal gray matter, and specific functional components of the sympathetic and vagus nuclei. activation and suppression of Unlike animals, which can resume normal functioning once the danger has passed, humans often do not, sometimes repeating the same reaction patterns associated with the original danger or
trauma
.
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Amygdala, periaqueductal grey, and hypothalamus are the main areas of the brain which are most responsible for the activation of the body's defense cascade.
What is the body's defense cascade?Body's defense cascade is a continuum of automatic, survival-based behaviors, which are activated in response to danger or the perception of the danger. This includes the stages of freeze, fight or flight, tonic mobility, and the collapse immobility.
The parts of the brain which are responsible for the activation of the body's defense cascade includes the amygdala, it is the part of the brain which is associated with fear, and one of the primary arbiters of the defense cascade of the body. Amygdala signals the body to flood the bloodstream along with the adrenaline and cortisol hormones, which narrow the blood vessels, this causes a spike in the body temperature.
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