Contractions per M
225150
Very low
What change would most improve the usefulness of the graph?
O Replace the concentration descriptions with actual values.
O Plot contractions per second instead of contractions per minute.
O Remove the plotted points and just keep the line.
O Remove the name of the organism from the title.
Low
Medium High Very high
Salt Concentration

The appearance of the stick being broken at the point where it entered the water was caused by the refraction of light waves passing from air into water.

When light waves pass from one medium to another with a different optical density, such as from air to water, they undergo a phenomenon called refraction. Refraction occurs because light waves change speed and direction as they transition between mediums. In the case of the stick in the pond, the light waves from the stick travel through the air and then enter the water.

As the light waves enter the water, they change speed and direction due to the difference in optical density between air and water. This change in direction causes the light waves to bend, which in turn creates an optical illusion. When Mrs. Lewis looks at the stick through the water, the light waves from the lower part of the stick reach her eyes at a different angle than the upper part of the stick, giving the appearance that the stick is broken at the water's surface.

Therefore, the refraction of light waves passing from air into water is the reason why Mrs. Lewis perceives the stick to be broken at the point where it enters the water.

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The correct statement is that fenestrated capillaries do not form the blood-brain barrier. The correct answer is option d.

The blood-brain barrier is primarily formed by specialized capillaries called tight junctions or continuous capillaries. These tight junctions have very limited permeability, allowing them to tightly regulate the movement of substances between the bloodstream and the brain tissue.

Fenestrated capillaries, on the other hand, have small pores or fenestrations in their endothelial cells, which allow for increased permeability and rapid exchange of substances between the blood and surrounding tissues.

Fenestrated capillaries are found in organs such as the endocrine glands, small intestine, and kidneys, where their increased permeability is necessary for specific functions such as hormone transport, nutrient absorption, and filtration of blood plasma.

The correct answer is option d.

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The digestive system is involved in the breakdown of molecules to yield energy. As food passes along the digestive gut, it undergoes various processes in its breakdown.

Indigestible residues along with some of the non-reabsorbed secretions of digestive organs, undergo Compaction where the fluids are removed and a remaining solid is created.

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Answer:

A

Explanation:

cells divide by mitosis hope this helps

Because there is more underbrush and fuel available, natural wildfires will burn longer and hotter when they occur. Without wildfires, forest ecosystems would be more susceptible to plant disease outbreaks.

How does the fire benefit the soil and the ecosystem?

Most plant nutrients become more available after being burned. Although some nutrients are managed to lose during combustion, available NH4-N and P increase significantly.

Fire clears out low-growing underbrush, cleans up the forest floor, exposes it to sunlight, and nourishes the soil. The low nutrient competition allows established trees to grow stronger and healthier. Hundreds of years ago, forests had fewer, larger, as well as healthier trees, according to history.

Therefore, natural wildfires will burn longer and hotter when they occur because there is more underbrush and fuel available.

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Answer:A

Explanation:

Answer:

carbon cycle, neutral, and decomposition

Answer:

Catalysts make such a breaking and rebuilding happen more efficiently. They do this by lowering the activation energy for the chemical reaction. Activation energy is the amount of energy needed to allow the chemical reaction to occur. The catalyst just changes the path to the new chemical partnership

Explanation:

Answer:

Yes you are right

Explanation:

hope it helps

Answer:

Immunofluorescence (IF) or cell imaging techniques rely on the use antibodies to label a specific target antigen with a fluorescent dye (also called fluorophores or fluorochromes) such as fluorescein isothiocyanate (FITC).

Yes, immunofluorescence typically uses fluorescently tagged molecules.

Cell and molecular biologists employ the method of immunofluorescence to investigate the distribution and localization of particular proteins within cells and tissues. The target protein is selectively recognised and bound to using fluorescently tagged molecules, typically in the form of fluorescently tagged antibodies or conjugated antibodies. The target protein can then be seen by looking at the sample under a fluorescence microscope, where the fluorescent dyes are stimulated to emit light. This method is employed often in many biological research fields because it gives useful information about the location and distribution of particular proteins within cells and tissues.

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Answer:

formed by the wind and water

Answer:

Explanation:

Tropical cyclones form only over warm ocean waters near the equator. To form a cyclone, warm, moist air over the ocean rises upward from near the surface. ... The whole system of clouds and wind spins and grows, fed by the ocean's heat and water evaporating from the ocean surface.

Amino acids are the monomers, or the building blocks that make up all proteins.

Sickle cell anemia is caused by a single point mutation, also known as a substitution mutation, in the beta-globin gene.

This mutation results in the substitution of a single nucleotide, where adenine (A) is replaced by thymine (T), causing a change in the amino acid sequence of the beta-globin protein.

The single point mutation causes the beta-globin protein to fold abnormally, resulting in the characteristic sickle shape of red blood cells in individuals with sickle cell anemia. These sickle-shaped cells can become trapped in small blood vessels, causing tissue damage, pain, and a range of other complications.

Sickle cell anemia is an autosomal recessive disorder, which means that individuals must inherit two copies of the mutated beta-globin gene (one from each parent) to develop the disease. While there are other genetic mutations that can cause sickle cell-like symptoms, the specific mutation causing sickle cell anemia is a single point mutation in the beta-globin gene.

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Answer:

the earth will eventually crack amd form a new river and the clouds will precipitate and cause water for the stream of the river

Answer:

If the river was to be destroyed it would take away many native plants and water to farms, homes, businesses, and schools that are local can be taken away.

Explanation: Rivers nourish entire ecosystems and give habitat to native plants and animals.

Answer:

As a cell grows larger in size, the transport of materials across the cell membrane may be affected in a number of ways.

One potential effect is that the rate of diffusion may decrease. This is because diffusion is a passive process that relies on the random movement of particles. As the size of the cell increases, the distance that substances have to diffuse across also increases, which can lead to a slower rate of diffusion. This can be especially important for substances that are essential for the cell's survival, such as oxygen, nutrients, and waste products.

Another potential effect is that the cell may need to invest more energy in active transport processes to compensate for the slower rate of diffusion. Active transport processes involve the use of membrane proteins, such as pumps and transporters, to move substances across the cell membrane against a concentration gradient. These processes require energy in the form of ATP, which can be costly for the cell.

Overall, the transport of materials across the cell membrane is important for maintaining homeostasis within the cell. This includes maintaining the correct balance of substances, such as ions and nutrients, as well as removing waste products. If the transport of materials across the cell membrane is impaired, it can lead to imbalances that may affect the cell's ability to function properly and maintain homeostasis.

Explanation:

If a cell is grew in size, the transport of materials across the cell membrane is affected negatively as there is also less plasma membrane available to transport substances in and out of the cell since the surface area is reduced.

Homeostasis may be defined as a state of balance among all the body systems that are frequently needed for the body in order to survive and function correctly and accordingly. It refers to any process that living things use to actively maintain fairly stable conditions necessary for survival.

The larger the size of the cell, the larger the volume, and therefore the more time it takes for substances to move through the cell. With larger cells, there is also less plasma membrane available to transport substances in and out of the cell since the surface area is reduced.

Therefore, if a cell is grew in size, the transport of materials across the cell membrane is affected negatively.

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Answer:

Phospholipids

Photosynthesis is a process by which plants take carbon dioxide, water, and sunlight from the atmosphere and release oxygen into the air. This results into decreasing the temperature of atmosphere and maintain concentration of gases.

Plants consume carbon dioxide, which is a greenhouse gas through the process of photosynthesis. This process involves reduction of carbon dioxide in the atmosphere which has an indirect cooling effect on the atmosphere. Plants cool the atmosphere as they release water vapor when they get hot, by a process which is similar to sweating.

About 70% of the oxygen in the atmosphere which we breathe comes from the photosynthesis of plants and algae in the ocean. Atmospheric oxygen from photosynthesis also maintains the ozone layer, which protects living organisms from harmful ultraviolet (UV) radiations which comes from the Sun.

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Answer:

Glycolysis is the process in which one glucose molecule is broken down to form two molecules of pyruvic acid science my fav class btw thats how i know it

Explanation:

The two systems involved in nutrient absorption in humans are the digestive system and the circulatory system.

The two systems that are involved in nutrient absorption are the digestive system and the circulatory system.

The digestive system breaks down food into smaller molecules through mechanical and chemical digestion, and these molecules are then absorbed by the small intestine.

The circulatory system then transports the absorbed nutrients to the liver, where they are processed and distributed to the rest of the body's cells for energy and growth.

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The correct order of layers of Earth's interior from outside to the Earth's center is:

a. Lithosphere, Asthenosphere, Crust, Outer Core, Inner Core.

Option A is the correct answer.

This refers to the layers that make up the earth namely: the lithosphere, asthenosphere, lower mantle (also known as mesospheric mantle), outer core, and inner core The core makes ups 15 percent of the Earth's volume, and the mantle takes 84 percent. The remaining 1 percent is made up of the crust.

Earth's layers can be positioned according to chemical composition ( that is what they are made of) or mechanical properties (that is rock strength and elasticity).

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During low-intensity physical activity and when the body is at rest, triglycerides are used as the primary energy source by muscles.

A form of fat called triglycerides is stored in adipose tissue and can be used as an energy source when required. They are essential for energy metabolism because they give the body energy when it is at rest and performing low-intensity physical activity. The body may meet its energy requirements during low-intensity physical activity by utilising the fatty acids that are produced from triglycerides because the energy demands are comparatively modest.

The body's energy requirements rise during high-intensity exercise, and the muscles predominantly rely on glycogen stored in the muscle fibers as an energy source. Triglycerides, however, can still play a little role, particularly when glycogen levels are low.

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Answer:

they increase the genetic diversity of a species

Answer:

In comparison to the gelatin molecules in the candy, salt or sugar ions in water are significantly smaller. Water molecules go to a location with more solute to balance things out due to osmosis. The problem is that the water is trapped inside the candy and cannot escape. Because the Gummy Bear can't get any smaller, it keeps the same size.

Biodiversity has been defined as the life that lives and interacts within the ecosystem. It is important as provides proper functioning of the ecosystem and supports life on earth.

Biodiversity is the various forms of life and factors that live and exhibit interaction in a particular ecosystem and habitat. It is important as it includes the biogeochemical cycle that provides nutrients, ecosystem services, pollination, and reproduction.

Biodiversity provides various biological services, including food produced by plants for energy, oxygen for cellular respiration and photosynthetic reactions, and the biogeochemical cycle that includes the cycling of the nutrient through various spheres.

Therefore, biodiversity is an important part of the biosphere.

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Answer:

Biodiversity has been defined as the life that lives and interacts within the ecosystem. It is important as provides proper functioning of the ecosystem and supports life on earth.

What is Biodiversity?

Biodiversity is the various forms of life and factors that live and exhibit interaction in a particular ecosystem and habitat. It is important as it includes the biogeochemical cycle that provides nutrients, ecosystem services, pollination, and reproduction.

Biodiversity provides various biological services, including food produced by plants for energy, oxygen for cellular respiration and photosynthetic reactions, and the biogeochemical cycle that includes the cycling of the nutrient through various spheres.

Explanation:

If cleft chin is an X-linked dominant trait, it means that the gene responsible for this trait is located on the X chromosome.

Since females have two X chromosomes and males have one X and one Y chromosome, the inheritance of this trait can differ between the sexes.

In this scenario, we know that the man has a cleft chin, so he must have at least one copy of the cleft chin gene on his X chromosome. The woman, on the other hand, has a round chin, which means she does not have any copies of the cleft chin gene on either of her X chromosomes.

The possible genotypes of the parents are:

Man: XcY (cleft chin gene on X chromosome)

Woman: XRXr (no cleft chin gene on X chromosomes)

where Xc is the X chromosome with the cleft chin gene, Xr is the X chromosome without the cleft chin gene, and XRXr is the genotype for a round chin.

The possible genotypes of their offspring are:

Male: XcY or XrY (50% chance of inheriting either X chromosome from the father)

Female: XcXr (50% chance of inheriting the Xc chromosome from the father, and 50% chance of inheriting the Xr chromosome from the mother)

Therefore, only the female offspring can show the cleft chin trait. The probability of a female offspring inheriting the Xc chromosome from the father is 50%, and the probability of inheriting the Xr chromosome from the mother is also 50%. So the probability of a female offspring having a cleft chin is 50%.

Therefore, the answer is: 50 percent.

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Answer:

Balanced

Explanation:

C-1

O-2

H-2

C-1

O-2

H-2

Answer:

It is C

It is NOT b

Explanation:

On Edge 5 stars pls :)

Answer:

allele

Explanation:

An allele can be defined as a variant of a gene localized at the same locus or chromosome position. These gene variants may encode the same protein (when different alleles encode the same protein sequence) or different protein variants (when nucleotidic differences encode distinct protein sequences). It is important to note that the diploid organisms (like humans) have two alleles for each gene, which are localized on homologous chromosomes.

A version of a gene is called an allele. Genes are sections of DNA that hold the instructions needed to make certain proteins or useful RNA molecules. Hence the correct option is A.

Alleles are distinct versions or variants of a gene that can cause changes in the trait or feature the gene controls.

Alleles are found at specific locations on chromosomes known as loci. Each gene is present in two copies in humans, one from each parent.

As a result, a person might be heterozygous (having two copies of the same allele for a given gene) or homozygous (having two copies of two distinct alleles).

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When we consume food, including the DNA of other organisms, the digestive system in our body breaks down the ingested material into its constituent nucleotides.

When we consume food, including the DNA of other organisms, the digestive system in our body breaks down the ingested material into smaller components through processes like chewing, enzymatic digestion, and chemical breakdown. DNA, being a complex macromolecule, is broken down into its constituent nucleotides. These nucleotides are then further processed and absorbed by our bodies.

The nucleotides derived from ingested DNA are treated as nutrients by our body, similar to other molecules obtained from food sources. They are metabolized and utilized by our cells for various purposes, such as energy production, synthesis of biomolecules, and as building blocks for our own DNA replication and repair. Importantly, our bodies have highly regulated mechanisms to maintain the integrity of our own genetic material. These mechanisms prevent the incorporation of foreign DNA into our own genomes. Even if some foreign DNA manages to enter our cells, it is typically recognized as foreign and eliminated or degraded by our immune system's surveillance and defense mechanisms.

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Answer:

Mutualism, commensalism and parasitism.

Explanation:

Interactions among the organisms such as fish, corals, lobsters, clams, seahorses, sponges, and sea turtles etc can be observe in  the reef environment. reef environment refers to the coral reef which are present in the underground ecosystem. It is made up of calcium carbonate that provides habitat or shelter to thousands of animals. Some behaviours are mutualism, commensalism and some are parasitism.

The reef depicts the interaction of various organisms such as crabs, lobsters and sponges. The reef environment is made up of corals. The reef is made on the deposits of calcium carbonate hence shelter bed for thousand of organisms

Thus they depicts mutualism, parasitism, and commensalism in the environment.

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