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Arlecino [84]
2 years ago
12

Which cells have been used extensively by researchers to study vaccines, diseases and cell biology?

Biology
1 answer:
Nesterboy [21]2 years ago
7 0

Answer:

HeLa cells

Explanation:

not too sure though

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Which climate zone would the location on this map be at 40 N and 60N?Hint:ohio is in the zone
mylen [45]

Answer:

zone 3 I think let me know if I'm right

Explanation:

I'm taking the test right now

5 0
3 years ago
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What was a conclusion that Mendel drew from the F2 generation of this cross?
Ber [7]
<h3><u>Answer;</u></h3>

That parental traits that were not observed in the F1 reappeared in the F2.

<h3><u>Explanation</u>;</h3>
  • Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 generation by proposing that traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F1.
  • <em>I</em><u><em>t was important that Mendel examined not just the F1 generation in his breeding experiments, but the F2 generation as well, because parental traits that were not observed in the F1 reappeared in the F2.</em></u>
3 0
3 years ago
hypothesize a mechanism to explain how tissues respond to insulin in different ways, even tisses that have the same amount of re
soldi70 [24.7K]
<span>The major effects of insulin on muscle and adipose tissue are: (1) Carbohydrate metabolism: (a) it increases the rate of glucose transport across the cell membrane, (b) it increases the rate of glycolysis by increasing hexokinase and 6-phosphofructokinase activity, (c) it stimulates the rate of glycogen synthesis and decreases the rate of glycogen breakdown. (2) Lipid metabolism: (a) it decreases the rate of lipolysis in adipose tissue and hence lowers the plasma fatty acid level, (b) it stimulates fatty acid and triacylglycerol synthesis in tissues, (c) it increases the uptake of triglycerides from the blood into adipose tissue and muscle, (d) it decreases the rate of fatty acid oxidation in muscle and liver. (3) Protein metabolism: (a) it increases the rate of transport of some amino acids into tissues, (b) it increases the rate of protein synthesis in muscle, adipose tissue, liver, and other tissues, (c) it decreases the rate of protein degradation in muscle (and perhaps other tissues). These insulin effects serve to encourage the synthesis of carbohydrate, fat and protein, therefore, insulin can be considered to be an anabolic hormone.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

</span>
4 0
3 years ago
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The image shows a magnified view of a leaf's surface with the stomata visible. What’s the significance of these structures in th
Deffense [45]

The correct answer is option (d) They allow the exchange of gases between cells in the leaf and the external environment.

Stomata are the tiny openings present in the epidermis (outer layer of cells) of the leaf. They have a pore which is guarded by the guard cells which controls the opening and closing of the stomata. Air enters and exits through the stomata.

The main funtion of stomata is to facilitate the gaseous exchange. The gas exchange that occurs when the stomata are open helps in the process of photosynthesis. During photosynthesis, carbon dioxide is taken in from the atmosphere and oxygen is released as a by-product of photosynthesis. The glucose produced is converted into the starch and stored in the leaves.

Also, water vapour diffuses through the stomata into the atmosphere by a process called the transpiration.

Thus, stomata are the structures that are mainly involved in the gaseous exchange between the cells of the leaf and the atmosphere.

8 0
3 years ago
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How many protons would the element with the atomic 10 contain??
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It would be 10

Atomic number = Number of protons
so, 10 = 10

Option D is your answer.

Hope this helps!
5 0
3 years ago
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