Xavier and Jill are practicing the 100-meter sprint. Which statement BEST describes the metabolic pathways their muscles will utilize to produce the quick energy needed for the intense exercise?
glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.

Explanation:

Frog undergoes a complete metamorphosis. It includes the egg, tadpole, froglet and then adult frog stages. In complete metamorphosis the hatchling does not resemble the parent and changes as it grows to be an adult.

During metamorphosis the tadpole will develop back legs first, then front legs.  Around 6 weeks of life the mouth starts to widen.  Sometime around 10 weeks the froglet’s, as it is now called, eyes start to bulge out and the tail begins to shrink and eventually disappear.  When the lungs finish developing the froglet makes it’s way onto the land and, Ta-da! It’s a frog!

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Cells can increase their surface area by folding the plasma membrane. Total cell surface area should increase when a cell divides into two daughter cells.

There are two illustration of membrane supply that support cell division:

(1) unfolding of small surface membrane reservoirs such as microvilli and folds, and (2) exocytosis of intracellular vesicles.

As the cell radius increases, the surface area increases as the radius squared, but the volume increases as the radius cubed (much faster).

Increasing the surface area of ​​the cell increases the amount of material that diffuses into the cell. As volume and surface area increase, volume increases more rapidly, so for every doubling of cell volume, the surface area available for uptake is halved.

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Answer:

Deoxyribose

Explanation:

Neither deoxyrinose nor thymine is found in RNA.

The structural component found in DNA but not in RNA is deoxyribose.

Both DNA and RNA contain the same nitrogenous bases (adenine, guanine, cytosine, and uracil in RNA or thymine in DNA) and phosphate groups.

However, DNA contains deoxyribose sugar in its backbone, while RNA contains ribose sugar. The difference between the two sugars is that deoxyribose lacks an oxygen atom on the second carbon in the sugar ring, whereas ribose has an oxygen atom at that position. This difference in sugar composition is responsible for some of the unique properties of DNA, including its double-stranded helical structure and greater stability compared to RNA.

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The question provides an overview of a biosystem with a cylindrical current line source and describes the relationships between the biopotential, line source current density, and recorded biopotential. The equations and terms provided help in understanding the behavior and properties of the system.

The given question describes a biosystem with a cylindrical current line source, where the current propagates along its surface. This current generates a biopotential, which also propagates along the line source with a conduction velocity, vc. The biopotential at a particular point z and time t is represented as Vi(z,t) = Vi(t - |z/vc|), where Vi(z) represents the profile of the biopotential along the length of the line current in the z direction. The biopotential profile is given by Vi(z) = α(λz)^3 * e^(-λz) - β, where α and β are constant values and λ is a scaling factor.

The line source current density, im(z,t), is assumed to be proportional to the second derivative of the biopotential. It can be written as im(z,t) = ki * d^2 * (∂^2Vi(z,t)/∂z^2), where ki is a constant and d is the line source diameter.

For an observation point (x,y,z) and a current line source located at (xo,yo,zo(t)) in a medium with cylindrical anisotropy, the recorded biopotential at the surface of the model is given by Φ(x,y,z,t) = kv * ∫[kd * ((x-xo)^2 + (y-yo)^2 + (z-z*)^2)]^(-2/1) * im(z*,t) * dz*, where kv and kd are constants. The coordinates (xo,yo,zo) represent the Cartesian coordinates of the line source position.

The biopotential can be represented as a convolution of the line source current and the impulse response of the volume conductor. It is given by Φ(x,y,z,t) = im(z,t) * h(x,y,z), where * denotes the convolution operation.

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Answer:

They compare quantities for particular categories.

Explanation:

Quantities- numbers

Bar graphs compare numbers

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anser: c 100 on test

Answer: false

Explanation: Only plant cells have a cell wall. All feels have a cell membrane

All cells have a cell wall but only plant cells have a cell membrane. The given statement is false.

The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialised it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.

Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.

In unicellular organism division of labour is at the organ level on the other hand in multicellular the division of labour  at cellular, tissue, organs and organ system level.

Unicellular organism has simple body organization and multicellular organism have complex body organism.

Therefore, all cells have a cell wall but only plant cells have a cell membrane. The given statement is false.

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Answer:

By changing a gene's instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition.

Answer:

mutations are the changes of a gene resulting in a vibrant form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA, or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes. they can affect proteins by A missense mutation is a mistake in the DNA which results in the wrong amino acid being incorporated into a protein because of change, that single DNA sequence change, results in a different amino acid codon which the ribosome recognizes. Changes in amino acid can be very important in the function of a protein Explanation: its in the answer

Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost. They have two unique properties that enable them to do this: They can divide over and over again to produce new cells. As they divide, they can change into the other types of cell that make up the body.

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1. The epistemology generally preferred in the natural sciences is a) Based heavily on directly observable evidence.

In the natural sciences, empirical evidence obtained through observation, experimentation, and measurement is highly valued. The emphasis is on gathering data from the physical world and using it to develop theories and explanations.

2. Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines is True.

Interdisciplinary studies emphasizes the development of knowledge using insights developed within the disciplines. It provides a platform for the exchange of knowledge and expertise between disciplines. This leads to a better understanding of complex problems and issues, which can be solved with a more comprehensive and holistic approach. Interdisciplinary studies are particularly useful in fields that are complex, and where a single disciplinary approach is insufficient. For example, climate change is a global problem that requires interdisciplinary collaboration between environmental scientists, climatologists, geographers, policy makers, and economists.

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Blood pressure refers to the force exerted by circulating blood on the walls of blood vessels. The correct answers are:

(a) Approximately 0.1867 or 18.67% of women have blood pressures lower than 72.

(b) Approximately 0.0968 or 9.68% of women have blood pressures lower than 68.

(a) To find the proportion of women with blood pressures lower than 72, we need to calculate the area under the normal distribution curve to the left of 72. Using the mean (80.5) and standard deviation (9.6), we can standardize the value of 72.

Z = (X - μ) / σ

Z = (72 - 80.5) / 9.6 = -0.89

Using a standard normal distribution table or a calculator, we can find the corresponding proportion, which is approximately 0.1867.

Therefore, approximately 0.1867 or 18.67% of women have blood pressures lower than 72.

(b) To find the proportion of women with blood pressures between 70 and 92, we need to calculate the area under the normal distribution curve between these two values.

First, we standardize the values:

Z1 = (70 - 80.5) / 9.6 = -1.10

Z2 = (92 - 80.5) / 9.6 = 1.20

Using the standard normal distribution table or a calculator, we can find the area to the left of Z2 and subtract the area to the left of Z1 to find the proportion between these two values. The proportion is approximately 0.7837.

Therefore, approximately 0.7837 or 78.37% of women have blood pressures between 70 and 92.

(c) To find the proportion of women with hypertension (diastolic blood pressure greater than 90), we need to calculate the area under the normal distribution curve to the right of 90.

Standardizing the value:

Z = (90 - 80.5) / 9.6 = 0.99

Using the standard normal distribution table or a calculator, we can find the area to the right of Z, which is approximately 0.1611.

Therefore, approximately 0.1611 or 16.11% of women have hypertension.

(d) To determine if it is unusual for a woman to have a blood pressure lower than 68, we can calculate the proportion of women with blood pressures lower than 68 using the same method as in part (a).

Z = (68 - 80.5) / 9.6 = -1.30

Using the standard normal distribution table or a calculator, we can find the corresponding proportion, which is approximately 0.0968.

Therefore, approximately 0.0968 or 9.68% of women have blood pressures lower than 68.

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Answer:

A. Crocodile

Explanation:

This is because we can see that when the Crocodiles are at <1% of their total lifespan, they have the least amount of remaining survivors out of 100.

There is strong evidence to suggest that a massive asteroid impact caused the mass extinction event that led to the demise of the dinosaurs. This evidence comes from various sources, including the discovery of a global layer of sediment called the K-Pg boundary, which contains high levels of iridium.

This is a rare element found in abundance in meteorites. This suggests that a large extraterrestrial object crashed into the Earth around 66 million years ago, releasing vast amounts of energy and causing widespread destruction. Additionally, there have been numerous discoveries of impact craters around the world, including the Chicxulub crater in Mexico, which is believed to be the site of the asteroid impact that led to the mass extinction. The impact would have caused massive wildfires, tsunamis, and a "nuclear winter" effect due to the massive amount of dust and debris thrown into the atmosphere, leading to a rapid cooling of the planet and a collapse of the food chain. This catastrophic event ultimately led to the extinction of the dinosaurs and many other species.

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Some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:

Specialized structures are those structures possessed by certain organisms that enable them adapt to their environment.

Fishes are known to adapt to aquatic environments whether marine or freshwater ecosystem.

Therefore, some of the specialized structures that help marine fishes live and reproduce in the ocean are as follows:

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Answer:

Explanation:

B. A copy of the chromosomes in the parent cell.

Answer:

Polygenic.

Explanation:

A trait that is controlled by more than one gene is called polygenic which translates to "multiple genes".

Answer:

Sprain

Explanation:

A sprain occurs when a joint is weakened by the advent of some mechanical forces which cause twisting of the joints. This results in partial dislocation of one of the bones at the joint. The effect of strain can range from mild to severe depending on the amount of damage that is being caused at the joint region.

The CNS elements include oligodendrocytes, interneurons, and the brain, while PNS elements include thermoreceptors, satellite cells, and motor neurons.

The nervous system consists of two main components: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, while the PNS comprises the nerves and ganglia outside of the CNS.

Organizing the given elements:

CNS elements:

Oligodendrocytes: Oligodendrocytes are cells found in the CNS that provide structural support and produce the myelin sheath, which insulates and enhances the conduction of nerve impulses in the CNS.

Interneurons: Interneurons, also known as association neurons, are located entirely within the CNS. They transmit signals between sensory neurons and motor neurons, playing a crucial role in information processing within the CNS.

Brain: The brain is the central control center of the nervous system. It receives and processes sensory information, initiates motor responses, and is responsible for various cognitive functions.

PNS elements:

Thermoreceptors: Thermoreceptors are sensory nerves that sense temperature changes in the environment and transmit this information to the CNS.

Satellite cells: Satellite cells are found in the PNS and provide support and protection to neurons within ganglia.

Motor neurons: Motor neurons are responsible for transmitting signals from the CNS to muscles or glands, controlling movement and various physiological processes.

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the answer is actually nutrient pollution because it says what "POLLUTION" is whatever so the answer would be nutrient pollution because if you read the question you can break it up into some words so the word "pollution" is telling you it has something to do with pollution so therefore the answer is:Answer: Nutrient Pollution

Answer:

7p + 12t = 62

Explanation:

rt and his friends spent $62 at the movies

tickets (t) are $12 a piece

popcorn (p) is $7 a bucket

Answer:

The researchers are studying mockingbirds as part of an effort to better understand how species adapt to urbanization.

The trichromatic theory proposes that the retina has three types of color receptors, which are sensitive to one of three colors: red, green, or blue.

The trichromatic theory asserts that there are three distinct cone systems in the eye that perceive three types of color: blue, green, and red. It is based on the combined works of the 19th-century scientists Young and Helmholtz. Every combination of colors that the brain perceives is made up of three colors: blue, green, and red, in accordance with the trichromatic hypothesis.

S-, M-, and L-cones, respectively, are the cones in the brain that correspond to blue, green, and red on a physiological level. Blue-yellow color blindness is caused by the loss of S cones, whereas red-green color blindness is caused by the loss of M or L cones.

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Answer: True

Explanation:

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Answer:

Im pretty sure the answer is D

Explanation:

The mass that u start with will always be the mass you end with. And its very obvious that a chemical reaction had occurred.

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Answer:

The main environmental effects of deforestation and forest degradation include reduced biodiversity, the release of greenhouse gas emissions, forest fires, disrupted water cycles and increased soil erosion

Explanation:

These changes significantly differ but there are 3 important worldwide examples of deforestation: the Amazon rainforest, Indonesia and Borneo, and Africa.

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Deforestation has a major impact on the environment. Deforestation leads to global warming, emission of greenhouse gases, and loss of biodiversity.

Deforestation may be defined as the process of cutting down of trees and making the green land into desert form.

Deforestation makes the soil infertile which is responsible for the loss of biodiversity. As the number of trees declines, it affects the water cycle and rainfall activity. Greenhouse gases are emitted on a large scale due to the reduction in trees which are responsible for the cause of global warming.

Therefore, deforestation has a major impact on the environment. Deforestation leads to global warming, emission of greenhouse gases, and loss of biodiversity.

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Explanation:

Answer:

it raises important concerns about increased human exposure to coastal flooding, hurricanes, and tsunamis. Explanation: feel free to mark brainliest. have a good day and gn