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nlexa [21]
3 years ago
6

A period in the embryonic stage during which certain developments must occur because they will not occur later is called the ___

______ period.
Biology
1 answer:
bija089 [108]3 years ago
6 0
Critical period because they had fully developed their vision
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I need help with this so hard emt class
krek1111 [17]

Answer:

I can give u a advice

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Click this and go to da bottom of page u can see da answers there

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3 0
3 years ago
Enzymatic breakdown of which of the following compounds doesn’t begin until it reaches the stomach?
ahrayia [7]

Answer:

B. Proteins

Explanation:

Salivary amylase is an enzyme that starts the breakdown of starch in the mouth. Gastric glands of the stomach secrete gastric juice, which contains HCl to kill bacteria and denatures proteins, intrinsic factors, and the enzyme pepsin. The chief cells of gastric glands secrete pepsinogen (an inactive form of pepsin).

Pepsin begins the digestion of proteins in the stomach. It breaks down certain peptide bonds between amino acids and thereby, breaks down protein chain into smaller peptide fragments. Pepsin requires a very acidic environment of the stomach (pH 2) and becomes inactive at a higher pH.

5 0
3 years ago
Why does rock experience failure?
OverLord2011 [107]

Answer:

He experiences them because he still has more to learn. He takes those failures, and use them to his advantage. He gets better at what he's doing by learning from the failures and mistakes.

8 0
3 years ago
Many animals are grouped together in a particular environment that best satisfies their needs. Which is their likely pattern of
Stolb23 [73]
<span>Clumped dispersion is the most common type found in nature. The distance between neighboring individual is at a minimum. This is common among organisms that are usually preyed such as in herds or family groups. Evenly spaced distribution maximizes the distances between individuals. There is usually competition for a resource. Penguins are an example of this distribution. Random distribution or unpredictable spacing is the least common among the three. Each individual is independent of the other. They occur in environments that have consistent environmental resources and conditions. </span>
7 0
3 years ago
The esr1 gene is ________ in cancerous breast tissue and the grb7 gene is ________ in cancerous breast tissue for ms. Cantu.
oksian1 [2.3K]

For Ms. Cantu, the GRB7 gene is not expressed in malignant breast tissue while the ESR1 gene is upregulated in such tissue.

Upregulated genes are shown by the colour red.

Down-regulated genes are shown by the colour green.

Non-differentially expressed genes are indicated by the colour yellow.

Absence of expression is shown by the colour black.

Hence from the table and colours ESR1 The GRB7 gene is not expressed, and the gene is upregulated.

To learn more about Genes click here:

brainly.com/question/29367774

#SPJ4

7 0
1 year ago
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