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ryzh [129]
3 years ago
5

Gene mutations can best be described as changes in the

Biology
1 answer:
Maurinko [17]3 years ago
3 0

Gene mutations can best be described as changes in the (3) nucleotide base sequence in DNA.


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What are the characteristics of the vertebrate's nervous systems?
Delicious77 [7]

Answer:

Vertebrates contain nervous system which is highly specialized organ.

Explanation:

The nervous system is the complex system in the vertebrate body which is composed of central nervous system that contain brain,spinal cord and peripheral nervous system which contain cranial nerve, spinal nerve,involuntary nerve etc.

The nervous system contain neurons that mainly transmit signal to the different parts of the body.

The peripheral nervous sytem contain somatic and visceral part.

The grey matter and white matter are the 2 areas in vertebrate nervous system.

6 0
3 years ago
"One of the two major systems that are affected by the stress response is the ____________, which results in increased productio
MAXImum [283]

Answer:

The correct answer is the endocrine system.

Explanation:

The sympathetic division of the autonomic nervous system and the endocrine system are the two prime systems that take part in the stress response.  

At the time of acute or chronic stress, the endocrine system first makes the hypothalamus to discharge CRH or corticotropin-releasing hormone into the bloodstream. The release of CRH further makes the anterior pituitary to discharge ACTH or adrenocorticotropic hormone into the blood. This further stimulates the adrenal cortex to discharge cortisol, that is, one of the glucocorticoid hormone into the bloodstream.  

The cortisol finally makes the organs and tissues present within the body to effectively cope up with the initial stress stimulus.  

6 0
4 years ago
Which is NOT true of mitochondria and chloroplasts? a. They are found in all organisms b. They contain DNA and 70S ribosomes c.
Nikitich [7]

Answer:

a. They are found in all organisms

8 0
3 years ago
Jealous can spark? <br><br> all of the above<br> passion<br> worry<br> excitement
goblinko [34]

Answer:

All of the above.

Explanation:

Jealousy is the emotional state of feeling jealous. This is more of a negative aspect rather than a positive one, but can also sometimes be a positive aspect in a relationship.

Jealousy incites the person to have negative feelings like anxiousness, wrath, anger, possessiveness, excitement, etc. But it can also lead to an increase in the passionate feelings for the other person, which can make the individual pay more attention to the other person. In this aspect, it becomes a positive thing.

Thus, the correct answer is all of the above.

5 0
3 years ago
Cuáles son los avances de la ciencia y la tecnología que más te asombra​
ser-zykov [4K]
Me no Spanish..
May Llamo Bella
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