biological evolution is defined as group of answer choices change in the properties of organisms over the course of development. directed change of organisms towards greater complexity. change in the properties of groups of organisms over the course of generations. random mutations and natural selection.

Answer:

your answer is ee

Explanation:

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A) blood clotting — vitamin K

B) normal vision — vitamin A

C) synthesis of cell membranes — vitamin D

D) production of white blood cells — vitamin K

Vitamin K is important for blood clotting, while vitamin A is important for normal vision. Vitamin D is important for the synthesis of cell membranes, and vitamin K is also important for the production of white blood cells.

Vitamin D is important for the synthesis of cell membranes, which are the structures that surround and protect cells. Vitamin D helps the body to absorb calcium, which is necessary for the development and maintenance of strong bones and teeth

Vitamin C is an antioxidant that is important for the immune system and for the maintenance of healthy skin and gums. Vitamin A is important for vision, as it is necessary for the function of photoreceptor cells in the retina.

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Cells of all living organisms require NADH and FADH2 for the energy production. It is required for the process of energy transfer requirement for the various reactions in all living organisms.

What is the other energy currency other than the 2 units mentioned here ?

ATP that stands for adenosine triphosphate is required for the energy production.

The cells of living organisms require these energy currency for the fuel production that is required for the life activities and the metabolic reactions that are taking place inside the body.

Glycolysis and Krebs cycle require the energy for the electron transport for the electron transport chain that is taking place in the mitochondria reactions and here the breakdown of the the substrate in order to produce energy is required in the cycle and this will produce these currencies.

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Cortisol (hydrocortisone) is a steroid that affects glucose, protein, and fat metabolism and is produced in the middle zone of the adrenal cortex.

Cortisol or hydrocortisone is a steroid hormone, produced by the adrenal cortex, that regulates the metabolism of carbohydrates and maintains blood pressure.

The adrenal gland is responsible for the secretion of the hydrocortisone hormone; specifically the middle part of the adrenal gland also called the zona fasciculata.

Therefore, cortisol (hydrocortisone) is a steroid that affects glucose, protein, and fat metabolism and is produced in the middle zone of the adrenal cortex.

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Probability of being a heterozygote (26-repeat/24-repeat): 2(0.04)(0.04) or 0.0064. To determine the genotypic frequency of Don, we need to calculate the probability of each possible genotype.

Since Don is a heterozygote, he could have inherited the 26-repeat allele from one parent and the 24-repeat allele from the other, or vice versa. The probability of each scenario is equal, so we can calculate the frequency of each genotype by multiplying the probability of inheriting a 26-repeat allele by the probability of inheriting a 24-repeat allele:

- Probability of inheriting a 26-repeat allele: 2/50 or 0.04
- Probability of inheriting a 24-repeat allele: 2/50 or 0.04

Therefore, the genotypic frequency of Don is:

- Probability of being a heterozygote (26-repeat/24-repeat): 2(0.04)(0.04) or 0.0064

So the correct answer is 0.00659 (rounded to the nearest hundredth).

Mrs. Baskin performed a PCR on Don's DNA and discovered he is a heterozygote with 26 and 24 repeats. To determine Don's genotypic frequency, we need to know the frequencies of each allele in the population. Unfortunately, without this information, it is not possible to calculate the genotypic frequency using the given options (0.6156, 0.00659, 0.088, 0.000123).

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Neoplasia is an uncontrolled growth of cells that is not under physiologic control. A malignant cell is composed of cells that look like the normal cell of origin.

Neoplasia means new growth. when cells start dividing in an uncontrolled manner it leads to cancer. There are different classes of cancer such as sarcoma, lymphoma, and myeloma.

Malignant neoplasm cells are derived from epithelial cells and are called carcinomas. They are derived from connective tissues called sarcomas.

The characteristics of neoplasm include:

Causes of neoplasia:

Therefore, Neoplasia is an uncontrolled growth of cells that is not under physiologic control. A malignant cell is composed of cells that look like the normal cell of origin.

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Answer:

Five feet so c

Explanation:

The shortage of the resources along with the maintenance as this sis why the requirement that is getting lesser has impacted the industry. Although it contributes a large amount to the economy.

It is the sheep that was named as Dolly and was invented in 2002 by cloning.

The shortage of the  large-animal veterinarians taking place in many areas of country is  challenge to sheep industry and to the  other livestock industries as well . The same conditions led to the short fall in the United states as well.

Today, the domestic sheep count is 1/10 of  the size it was in  the World War II in the United states . The decrease is a  result of  the economic and  the cultural factors  that are coming together And it has left to the  wonders. Some of the  sheep that are raised for the wool  others primarily for food.

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Answer: domain is the least specific out of all the levels of taxonomy

Explanation:

Out of these four, from least specific to most is: domain, order, genus and then species

Answer:

Explanation:

i got it right on my test

Answer:

Liquid metal.

Tell me if wrong. :) Hope it helps!

Explanation:

Answer:

A) No problem

Explanation:

solid rock

Answer: In all there are six basic variable types: dependent, independent, intervening, moderator, controlled and extraneous variables. Independent and Dependent Variables In general, experiments purposefully change one variable, which is the independent variable.

Explanation:can i have a brainliest

Question 6: The alternative splicing of the MASP-2 gene is related to the protein associated with ficollins and MBL but is not an enzyme. The correct answer is option (d) sMAP19.

Question 7: MASP-1/MASP-3 of the Lectin pathway of the complement system cleaves C2. The correct answer is option (a).

Question 8: IL-1 and Tumor Necrosis Factor (TNF) are induced by C5a. The correct answer is option (d).

Question 6: Alternative splicing refers to the process by which multiple mRNA transcripts can be generated from a single gene, resulting in different protein isoforms. In this case, the alternative splicing of the MASP-2 gene is related to the protein associated with ficollins and MBL (mannose-binding lectin), but it is not an enzyme. Among the given options, the correct answer is (d) sMAP19.

Question 7: The Lectin pathway is a part of the complement system, a series of proteins that play a crucial role in the immune response. MASP-1/MASP-3, two serine proteases, are involved in this pathway. They cleave C2, leading to the activation of downstream complement components. Therefore, the correct answer to this question is (a) C2.

Question 8: IL-1 and Tumor Necrosis Factor (TNF) are pro-inflammatory cytokines that play important roles in the immune response. They can be induced by various factors. Among the given options, the correct answer is (d) C5a. C5a is a component of the complement system that is generated during complement activation. It acts as a potent inflammatory mediator and can induce the production of IL-1 and TNF.

In summary, the alternative splicing of the MASP-2 gene is related to sMAP19 (option d). MASP-1/MASP-3 cleaves C2 (option a), and IL-1 and TNF are induced by C5a (option d).

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Answer:

b.) an amino acid.

Explanation:

A nucleotide contains three things:

Since amino acids are not on this list, the correct answer is b.

A nucleotide does not contain a amino acid.

Nucleotides are organic molecules consisting of a nucleoside and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid and ribonucleic acid, both of which are essential biomolecules within all life-forms on Earth.

Moreover, a nucleotide is the basic building block of nucleic acids (RNA and DNA). A nucleotide consists of a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate group and a nitrogen-containing base. The bases used in DNA are adenine (A), cytosine (C), guanine (G) and thymine (T).

Therefore, DNA and RNA are polynucleotides, which contain a chain of nucleotides monomers with different nitrogenous bases. Nucleotides are essential for carrying out metabolic and physiological activities.

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Answer: C. Lystrosaurus and Glossopteris

Explanation:

Answer:

When you eat a lot of candy or other sugary foods, your body rapidly absorbs the sugar into your bloodstream, causing your blood sugar levels to rise quickly. In response, your body releases a large amount of insulin from your pancreas to help move the sugar from your bloodstream into your cells, where it can be used for energy.

However, if you eat a lot of candy at once, your body may produce more insulin than is needed to process the sugar, causing your blood sugar levels to drop rapidly. This is known as a sugar crash or hypoglycemia.

When your blood sugar levels drop too low, your body may not have enough glucose (sugar) to provide energy to your cells, which can cause you to feel tired, weak, dizzy, and irritable. This can also cause other symptoms like headaches, sweating, and difficulty concentrating.

Additionally, when your body experiences a drop in blood sugar levels, it may also release stress hormones like cortisol and adrenaline, which can further contribute to symptoms like nausea and jitteriness.

Therefore, quickly eating a lot of candy can make you feel ill from a temporary drop in blood sugar levels, as your body tries to regulate the amount of sugar in your bloodstream. It's important to consume sugary foods in moderation and pair them with other nutrient-rich foods to help maintain stable blood sugar levels and prevent sugar crashes.

Explanation:

This is because a variety of components must be integrated in order to accurately interpret and respond to the signal in a timely and effective manner.

The first step in this process is for the signal to be received and interpreted by the cell. This involves the binding of the signal molecule to a specific receptor, which triggers a cascade of cellular responses. This involves the activation of certain proteins, which then act as mediators of the signal within the cell and help to direct the response.

Once the signal has been received and interpreted, it must then be transmitted to the target organelle or region of the cell. This is done by a variety of molecules such as hormones, neurotransmitters, and growth factors. These molecules are released from the cell and travel to their target where they bind to specific receptors. This triggers a series of responses in the target organelle or region.

Finally, the cell must respond appropriately to the signal. This involves the activation of specific genes, which then produce proteins that alter the cells physiology and behavior. This is a process of gene expression that is tightly regulated and allows the cell to respond rapidly and accurately to the signal.

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Answer:

Both depends on different factors.

Explanation:

The rate of movement of the air bubble is not exactly the same as the rate of water loss from the plant because both depends on different environmental factors. The higher rate of movement of the air bubble occurs due to removal of pressure while on the other hand, the rate of water loss from the plant occurs due to temperature. So both air bubble and transpiration process depends on different environmental factors.

The number of cells that should be present after 9 generations in 1 ml culture, if the initial cell culture has an absorbance reading of 0.75 is 290,000,000 cells/ml

To calculate the number of cells present after 9 generations in a 1ml culture with an initial absorbance reading of 0.75 AU650, you need to use the following formula:

Number of cells = (Initial cell count) x (2⁹)

Since you determined that an absorbance reading of 1.0 AU650 is approximately equal to 4.75 x 10⁶ cells/ml, we can calculate the initial cell count for a 0.75 AU650 absorbance reading to be:

Initial cell count = (4.75 x 10⁶) x (0.75) = 3.56 x 10⁶ cells/ml

After 9 generations in a 1ml culture, the number of cells should be:

Number of cells = (3.56 x 10⁶ x (2⁹) = 290,000,000 cells/ml

Therefore, the number of cells in the culture should be around 290,000,000 cells/ml after 9 generations.

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Answer:

It inhibits the activity of osteoclasts, which are the cells responsible for breaking down bone.

Answer:

Calcitonin reduces calcium levels in the blood by two main mechanisms: It inhibits the activity of osteoclasts, which are the cells responsible for breaking down bone.

Answer:

That Is is the Word is Sex The sex is the Same only way for if u have a Baby

Answer:

potential energy

Explanation:

Answer:

D. The shape and structure of the beak are inherited and help the pelican survive in its environment

Explanation:

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The term used exclusively to describe water's movement across a selectively permeable membrane is "osmosis." Osmosis is the specific term for water's movement across a selectively permeable membrane, as it refers to the passive transport of water molecules to achieve a balance of concentrations on both sides of the membrane.

Osmosis is the passive movement of water molecules from an area of higher water concentration to an area of lower water concentration through a selectively permeable membrane. This process is driven by the concentration gradient and does not require any energy expenditure by the cell. This process helps in maintaining the proper balance of water and solutes in cells and various biological systems.

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The biological species concept defines a species as a group of individuals that can interbreed and produce viable offspring, and are reproductively isolated from other groups. Based on this definition, the following requirements for speciation can be identified:

1. Reduction in gene mixing between populations: Speciation requires a reduction in gene flow between populations. This can occur due to physical separation, behavioral differences, or other factors that prevent or reduce interbreeding between individuals.

2.Physical separation: Physical separation of populations can create geographic barriers that prevent interbreeding between individuals.

3.Evolutionary changes that lead to reproductive barriers: Over time, genetic changes and natural selection can lead to the accumulation of reproductive barriers between populations, which can prevent or reduce interbreeding.

4.Loss of the original species as it evolves into two new species: As populations become reproductively isolated and continue to evolve, they can eventually become so distinct that they are considered separate species.

Therefore, speciation requires a reduction in gene mixing, physical separation or some other type of reproductive isolation, and evolutionary changes that lead to the formation of distinct groups that cannot interbreed with one another. This can ultimately result in the loss of the original species as it evolves into two or more new species.

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Answer:

1.70%

2.25%

3.5%

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Answer:

If one does not balance a chemical equation, there would not be an equal number of atoms on both sides of the equation, which would not follow the Law of the Conservation of Mass. By making sure the chemical equation is properly balanced, the mass of the reactants is correctly preserved in the product, and the Law of Conservation of Mass is followed.

Explanation:

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Answer:

Poor sanitation is linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio and exacerbates stunting. Poor sanitation reduces human well-being, social and economic development due to impacts such as anxiety, risk of sexual assault, and lost educational opportunities.

EXPLAINATION :

Sanitation refers to public health conditions related to clean drinking water and adequate treatment and disposal of human wastes and sewage. Preventing human contact with faeces is part of sanitation, as is hand washing with soap.

RELATIONSHIP BETWEEN SANITATION AND DISEASE:

a) In our country, a large number of people even today do not have sewerage facilities and thus defecate in open fields, railway tracks, etc. The untreated human excreta thus pollute soil and water sources including the underground water. When this contaminated water is used for drinking, it can cause diseases such as cholera, typhoid, hepatitis, dysentery, etc. which may even lead to death. Therefore, the lack of sanitation resulting in the drinking of contaminated water can cause health problems.

b) If sanitation is there, no disease will occur, but if sanitation is not there various types of disease will occur and spread. So sanitation should be kept to avoid disease

SAMAJ GAYI NA MISS JANVI.

Answer:

I'M ALSO AGREED WITH ABOVE GUY ANSWER

Answer:

Macroinvertebrates serve several important functions within the aquatic environment:

They provide a valuable "cleaning" service by scavenging dead or decaying bacteria, plants, and animals, which helps recycle nutrients back into the system.

They are an important food for fish, birds, amphibians and reptiles.

Explanation:

the list could go on and on.