The acidification of the stomach juices is important for the digestion of proteins because: Group of answer choices Proteins are basic, and need to be neutralized.

Answers

Answer 1
Answer:

Answer:

See the answer below

Explanation:

The acidification of stomach juices is important for the digestion of proteins partly because the enzyme responsible for protein digestion work in an acidic medium and the acid also facilitates the unfolding of the proteins.

Hydrochloric acid and the enzyme responsible for the initiation of protein digestion, pepsin is secreted as gastric juice by the stomach, and the latter works by breaking down protein chains into smaller fragments.


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Which type of neuron is completely contained within the CNS?

Answers

Answer:

Interneuron

Explanation:

Interneuron is association neuron or connector neuron. Which is completely contained within CNS. Usually conveys messages between parts of the system. Dendrites, axons, may be long or short.

I hope this helped. I am sorry if you get this wrong.

The answer is absolutely C

Explain how each shows the characteristics of life if it does made of cells​

Answers

Answer:

Big Ideas: All living things have certain traits in common: Cellular organization, the ability to reproduce, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will exhibit all of these traits

Explanation:

A typical prokaryotic cell has about 3,000 genes in its DNA, while a human cell has about 20,500 genes. About 1,000 of these genes are present in both types of cells. Explain how such different organisms could have this same subset of genes ?

Answers

Answer:

same DNA bases and HGT

Explanation:

Even though we are different species,  so much as different kingdoms, the DNA is always going to be the molecule that contains our genetic information and constitute our genes. This molecule is made up by the same structure: a sugar, a phosphate and a base like adenine, guanine, cytosine, thymine. Regardless if its a human, bacteria, fungi or a plant cell we all share this in common.

It is well known that we acquire our whole set of genes from our ancestors but some studies have shown that we also acquire genes from other organisms and its called horizontal gene transfer (HGT). HGT involves the movement of genetic material between different species. Since we've been sharing the world with a lot of prokaryotic organisms we might have experienced the HGT at some point of the evolution, and since our genetic material is made up of the same molecules, we can have the same subsets of genes working in both organisms.

Answer:

The subset of genes shared by humans and prokaryotes originates from a common ancestor and has been retained over billions of years of evolution.

Explanation:

This is was the right answer on my teachers test.

What is the purpose of strand B?a.) To act as a template for the synthesis of messenger RNA

b.) To carry the code from the DNA molecule in the nucleus to the ribosome

c.) Delivers specific amino acids to the ribosome to make proteins

d.) Transfers nucleic acids to the nucleus

Answers

Answer:

The answer is a)

Explanation:

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Describe briefly how you would detect the presence of a non-culturable prokaryote in an environmental sample.

Answers

Answer:

Using microscopy methods such as fluorescence microscopy and polymerase chain reaction (PCR).

Explanation:

A bacterium that is viable but non-culturable refers to those bacteria that are in a very low metabolic state (dormant state) that don’t grow but is alive. Methods based on culture will not be able to detect a viable but non-culturable bacteria, because these bacteria will not grow and in few cases if the bacterium could be cultured, it only grows in very specific conditions. The most common methods used to check for the presence of bacteria that are viable but non-culturable is the fluorescence microscopy. The disadvantage of this technology is that don’t discriminate between live and dead cells, it only detects its presence. Another common technology is a polymerase chain reaction (PCR), that detects DNA, but this technique also doesn’t discriminate between living or dead cells. But usually is combined with stains to detect a damaged of the membrane, this damage refers to nonviable bacteria.

Which of these best orders the rock layers from the youngest to the oldest? (1 point)1) Layer A - Layer B – Layer C – Layer D
O2) Layer A - Layer D - Layer B - Layer C
O 3) Layer D - Layer C - Layer B - Layer A
4) Layer D - Layer A - Layer C - Layer B

Answers

Answer:

D-C-B-A

Explanation:

Oldest crust on the bottom

3) layer D, layer C, layer B, layer A