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2 years ago

Of the 21 amino acids that are the building blocks for proteins, how many must come from the foods you eat?

Biology

2 answers:

gayaneshka [121]2 years ago

8 0

Answer:

There are nine essential amino acids, which you must get through your diet: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine. They're vital for functions such as protein synthesis, tissue repair and nutrient absorption. Therefore, answer is D.

Explanation:

Brainliest please?

Lina20 [59]2 years ago

3 0

There are 10 essential amino acids that the body can't synthesize.

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What is the main theme in reproduction.

IgorC [24]

<h2>what is the main theme in reproduction.</h2>

The five central themes of biology are structure and function of cells, interactions between organisms, homeostasis, reproduction and genetics, and evolution

hope it helps

#carry on learning

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2 years ago

Which of the following bacterial cells would best be able to survive an attack by an antibiotic? A) A bacterial cell that used i

Nat2105 [25]

Out of the choices given, the following bacterial cells that would be best able to survive an attack by an antibiotic is; A bacterial cell that has a cell membrane made of ester-linked fatty acids. The correct answer is B.

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2 years ago

Read 2 more answers

The cellular process that breaks down glucose to produce energy is

valina [46]

Answer:

B Respiration

Explanation:

or cellular respiration

Hope this helps you have great dayyyy

8 0

3 years ago

All of the following describe possible results of competition between two species except A) competitive exclusion. B) aposematic

boyakko [2]

Answer:

B) aposematic coloration

Explanation:

The species constantly compete between each other, some because they occupy the same niche int he food chain, others even though they are in different niches tend to destroy each other, and some just avoid each other and partition the resources. This often results in partitioning of the resources between different species, when usually they are active in different parts of the day and avoid each other. Also, it is common that some of the species is more competitive, so that will result in a decline of the other species, or if the species are on the same level of competitiveness, then usually both species have declines in numbers to some optimal level. The aposematic coloration though is not part of the competition between the species. It is a type of coloration that warns the other species that the species that possesses it is either not good for eating, or it has a weapon that can harm them, thus they should avoid it and leave it alone.

4 0

2 years ago

A woman and a man are both heterozygous for a recessive allele for a rare genetic disease. If they have one child, what is the p

makkiz [27]

Answer:

If they have one child, the probability that he or she will be affected is 1/4.
If they have two children, the probability that at least one of them will be affected is 7/16.

Explanation:

A cross between two heterozygous Aa individuals will produce the followinf offspring: 1/4 AA, 2/4 Aa and 1/4 aa.

Since the disease is recessive, 1/4 of the offspring will have the aa genotype and 3/4 of the offspring will be unaffected.

Every time they have children new gametes were generated independently.

The probability of having no affected children both times is, according to rules of probability for independent events, 3/4 × 3/4 = 9/16 (it's the probability of having a healthy child the first time multiplied by the probability of having a healthy child the second time).

The probability of having at least one affected child is 1 - probability of no affected children = 1 - 9/16 = 7/16.

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2 years ago