which property of light causes a rainbow to form

Answer:

Sure

Explanation:

The statement that is correct regarding enzyme inhibition is option C. Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme.

Competitive inhibition occurs when an inhibitor molecule competes with the substrate for binding to the active site of an enzyme. Both the substrate and the inhibitor can bind to the active site, but not simultaneously. The presence of the inhibitor reduces the enzyme's ability to bind with the substrate and carry out the catalytic reaction.

This statement is correct. Competitive inhibition involves the substrate and inhibitor competing for the active site on the enzyme. The inhibitor molecule is structurally similar to the substrate and can bind to the active site, preventing the substrate from binding effectively. It is important to note that competitive inhibition can be overcome by increasing the concentration of substrate because a higher substrate concentration increases the chances of substrate molecules outcompeting the inhibitor for binding to the enzyme's active site.

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Answer:

active transport

Explanation:

Solution: Osmosis, diffusion, and active transport are the three processes by which plants can absorb water and other minerals of the soil.

Answer:

D.

Explanation:

meiosis has two divisions. the first phase and the second phase. at the first phase to daughter cells are produced and at the second phase four daughter cells are produced with hlf of the original chromosome

It is true that placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of offspring survival. This helps to explain why placental mammals from North America displaced many native South American marsupial mammals when a land bridge formed between the two continents.

Therian mammals called placental mammals have developing placentas during pregnancy. The foetus is fed by the placenta as it develops inside the mother's uterus. Mammals with placenta give birth to children that are generally mature and large. Mammals that carry babies are the majority.

Hence, placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of offspring survival.

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Answer:

Respuesta: hola ami me parece que ya lo hiciste pero te dejo ejemplos:

Explicación: 1.Venezuela

2. Sanclemente

3. Marroquin    

me das corona plis chau

Explanation:

- In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are. This is a model.

- A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer. This is a hypothesis.

- Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations. This is a scientific theory.

- The flow of blood through a blood vessel is treated as the flow of a liquid through a long, straight pipe. This is a model.

It is important for biologists and people in biology-related fields to learn physics because:

- To learn how to solve complex problems

- To learn how to communicate scientific ideas

- To learn how to apply fundamental principles with logic and reasoning

- To learn how to interpret and apply different representations of information

- To learn how to interpret quantitative measurements

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Identify the following situations as a hypothesis, a theory, or a model.

i. In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are.

ii. Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations.

iii. A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer.

A) i. - hypothesis; ii. - theory; iii. - model

B) i. - model; ii. - theory; iii. - hypothesis

C) i. - theory; ii. - hypothesis; iii. - model

D) i. - model; ii. - hypothesis; iii. - theory

E) i. - theory; ii. - model; iii. - hypothesis

The most crucial macromolecules for maintaining life are nucleic acids. They contain instructions for a cell's proper operation as well as the genetic code for that cell.

Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are the two primary forms of nucleic acids. All living things, from single-celled bacteria to multicellular mammals, have DNA as their genetic makeup. It is located in the organelle, chloroplasts, and mitochondria as well as the nuclei of eukaryotes. Prokaryotes lack a membranous sheath around their DNA. A cell's genome is its entire genetic makeup, and genomics is the study of genomes. DNA and histone proteins combine to form a complex to create chromatin, the material that makes up eukaryotic chromosomes, in eukaryotic cells yet not in prokaryotes. There may be hundreds or thousands of genes on a chromosome. Many genes encode for the production of protein molecules, while some genes produce RNA. DNA manipulates the genes to turn on or turn off various biological processes.

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Answer:

Tissues.

Explanation:

In Multicellular organisms' cells that work together for a common focus are divided into different sects if you will, the basics of Organelles which group into Cells > Tissues which then combine into Organs > Organ Systems and then the Organism itself.

Single base pair mutations can alter protein structure and function either by insertion or deletion. This is because it results in a frameshift of transcribed codons beyond that point. This means that all codons after mutation are wrong and encode the wrong amino acid sequence.

A genetic variant (also called a mutation) can prevent one or more proteins from functioning properly.A variation can cause a protein to dysfunction or not be created at all by changing the genetic information for creating the protein.

Nucleotide changes can lead to amino acid changes with similar properties. In that case, the mutation is called silent because it does not affect the overall structure and function of the protein.

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A hin ge joint is a type of joint that allows motion around only one axis.

Hin ge is an online dating app designed to match people based on mutual friends and shared interests. It is designed to help people find meaningful relationships, whether that’s for friendship, dating, or marriage. Hin ge uses a unique algorithm to match people based on their stated preferences and interests, as well as their friends’ interests and activities. Because of this, matches are more likely to be genuine and lasting. Hin ge also encourages users to add more information to their profiles, in order to create a more personalized experience. This makes it easier to find compatible people, and to get to know them better.

It is formed by the connection of two or more bones that are connected by a joint capsule and ligaments, and is typically found in the kne es, elbo ws, and fing ers. The hin ge joint is able to flex and extend, but no other type of movement is possible.

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The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.

The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.

Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.

For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.

For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.

For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.

However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.

To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.

For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.

For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.

For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.

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Answer:

The last one im pretty sure

Explanation:

Answer:

D, cell > tissue > organ

Explanation:

Basically, it is a progression. Cells are incredibly basic, but when you have a lot of them together you get tissues. Certain tissues repeated create organs. :)

When myosin heads form cross-bridges during muscle contractions, they bind to binding sites found on actin, a component of thin filaments.

Thick myosin filaments and thin actin filaments slide past one another as the muscle contracts. Cross-bridges that are extended from the myosin filaments carry out the process. The sarcomere is referred to as the contractile unit of muscle. Actin filaments are connected to the Z disc at the end of the sarcomere. The sliding filament subsequently pulls the Z disc, even more, shortening the sarcomere and causing the muscle to contract. The connection of myosin and actin within the muscle cell is referred to as a cross-bridge. In muscle fibers, cross bridges are created by the binding of a myosin head group to an actin filament.

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Answer:

The Circulatory System

Explanation:

When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)

Answer:

60 uniforms

Explanation:

Answer:

Level 1...Plants and algae make their own food and Plants and algae make their own food and are called producers.

Answer:

The base of the pyramid

Explanation:

An example of which is: grass

Answer: 1. Throat

2. Abdomen

3.Brain

Explanation:

Answer:

The five piece of lab equipment that we will use are

1. Preserved frog specimen

They are safe to use and are not subject to hazardous materials regulations or disposal restrictions.

2. Dissection tray

They are essential when analyzing internal structures and component related functions. Compatible with lining waxes used to provide unadulterated dissecting pin surfaces or including odor absorbent pads, pans allow animals to be securely held in place.

3. Scalpel

They are used to make cuts into the body. This is a very sharp instrument and comes in various sizes for different types of cuts and surgeries. Most blades are made of either carbon or stainless steel.

4. Dissecting scissors

They are used for fine dessection ,making incisions, cutting apart tissues and removing different organs.

5. Forceps

They are used to handle tissues and other materials and also to manipulate needles and other instruments whilst operating. They are commonly used for grasping fine tissue and blood vessels or soft tissue dissection.

Answer:

9.807 m/s²

Explanation:

Hope this helps!

Answer:

9.807 m/s²

Explanation:

Answer:

yes

no

yes

no

no

no

yes

no

yes

Explanation:

Answer:

A growing potted plant, Pumpkin seeds in the ground, Baker's yeast

Tree with no leaves on it in winter

Explanation:

The statement that best describes antigenic variation of a parasite is: a) Parasites can change their antigens or create novel antigens.

Antigenic variation refers to the ability of parasites to change their antigens or create new ones. This process is essential for the survival and evasion of the immune system by the parasite. By altering their antigens, parasites can avoid detection and clearance by the host's immune response.

Parasites have evolved sophisticated mechanisms to undergo antigenic variation. They can modify the surface proteins or switch between different antigenic variants. This variation can occur through genetic recombination, gene duplication, or mutation, allowing the parasite to constantly present a different antigenic profile to the immune system.

The ability of parasites to change their antigens or generate novel antigens poses a significant challenge in the development of effective vaccines and treatments. Since the antigens expressed by the parasite can change over time, the immune system may struggle to mount a targeted and long-lasting immune response.

Understanding antigenic variation is crucial in the study of parasitic infections and the development of strategies to control and treat them. By targeting conserved antigens or finding ways to disrupt the antigenic variation mechanisms, researchers aim to develop interventions that can effectively combat parasitic diseases.

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Answer:

B

Explanation:

Answer:

Without the atmosphere, the solar radiation would heat the Earth during the day and escape during the night. Thus, if there were no atmosphere around the Earth, the Earth's temperature would increase during the day and decrease during the night.

Explanation:

The p-value for z = 2.0146 is P (Z > 2.0146) = 0.0222.  there is sufficient evidence to suggest that the proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona.

Proportion of deaths due to heart attack in India before Corona infection was 28.9%

Medical researcher believes that the deaths due to heart attack has increased during Corona infection due to non-availability of ICUs. A medical researcher randomly selected 200 deaths in a city and found that 73 were died due to heart attack. Significance level, α=0.05. We need to test the medical researcher's claim of increased deaths due to heart attack during Corona infection. Let p be the proportion of deaths due to heart attack during Corona infection.

Null Hypothesis H₀: p ≤ 0.289 (Proportion of deaths due to heart attack during Corona infection is less than or equal to the proportion before Corona)

Alternate Hypothesis H₁: p > 0.289 (Proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona)

We will use a one-tailed z-test for testing the hypothesis at 0.05 significance level.

z = (phat - p) / √(p(1-p)/n)

where phat = 73/200 = 0.365

n = 200

p = 0.289

z = (0.365 - 0.289) / √ (0.289(1-0.289)/200) = 2.0146

The p-value for z = 2.0146 is P (Z > 2.0146) = 0.0222.

Since the p-value (0.0222) < α (0.05), we reject the null hypothesis.

Therefore, there is sufficient evidence to suggest that the proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona.

Yes, the data suggests that the deaths due to heart attack has increased as believed by medical researcher.

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The mantle plays an important role in the development of mollusks. The group that shows reduced activity of the mantle in producing a shell for some members are the Cephalopods.

What is the mantle in Mollusks?

The mantle is a fleshy body structure in mollusks. It encloses the visceral mass and is located between the shell and the body. The mantle is important in the formation of the shell that protects the body from external injuries and predators. It is an important part of the mollusk's body that plays an important role in the development of mollusks. Mollusks come in a variety of sizes and shapes and can be found in many different environments such as freshwater, saltwater, and terrestrial environments. Cephalopods have reduced activity of the mantle. Cephalopods, on the other hand, are the group that shows reduced activity of the mantle in producing a shell for some members. Although some cephalopods, such as the nautilus, have a shell, others, such as octopuses and squids, lack an external shell entirely. This loss of the shell is most likely due to the cephalopods' evolution of a more active and powerful lifestyle, which necessitates a reduction in the heavy and cumbersome shell that mollusks have. Thus, it can be concluded that the group that shows reduced activity of the mantle in producing a shell for some members are the Cephalopods.

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Answer:

1. Glycolysis

2. Cytoplasm

Explanation:

This question is describing the process of cellular respiration. Cellular respiration, which is the process by which organisms obtain their energy (ATP), occurs in stages. The first stage undergone by all living cells is called GLYCOLYSIS.

IN GLYCOLYSIS, glucose molecule (from digested food) is broken down via oxidation in the CYTOPLASM of the cell, into two molecules each of pyruvate, ATP, and NADH. The pyruvate proceeds to the other stages of cellular respiration.

Answer:

here is a picture. hope this helps

Explanation:

Answer:

https://byjus.com/biology/mitosis/

Explanation:

I used the first diagram in science class and it was very helpful