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bogdanovich [222]
2 years ago
15

Please help me i’ll give you brainlist

Biology
1 answer:
Umnica [9.8K]2 years ago
7 0

Answer:

D

Hope that helped! I would appreciate a Brainliest, if you wouldnt mind! Have a good day!

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If polar is positive and non-polar is negative then why can’t a polar molecule pass through the non-polar phospholipid membrane
Ierofanga [76]

Answer:

Because of the chemical and structural nature of the phospholipid lipid by layer the lipid soluble molecule can just pass the lipid membrane and some small molecules can also pass freely.

Explanation:

as we know that the homeostasis is an important process for a  living cell to maintain it self so for the the exchange of materials between the external and internal environment is must so for that it exchange material with the outside environment of the cell.as the cell membrane is semipermeable(mean allow some molecule to pass(lipid soluble) and not others(lipid non soluble) to pass through the membrane.the cell membrane is selectively permeable due to its nature and chemical composition the chemical composition is lipid and  phosphate and glycerol(head) with fatty acid that may b saturated or unsaturated(tail).so finally all those molecule which are polar can not pass through the membrane and  non polar can pass the membrane.The size of the molecule is also a factor on which the permeability depends.

3 0
3 years ago
Which parts of the body act as levers
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Answer:

liver arm ,pivot, effort and load

8 0
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People with diabetes often receive insulin injections. What effect does insulin have on the body?
Gennadij [26K]

The right answer is B.

Insulin is a hormone naturally secreted by the pancreas, specifically by specialized cells located in the islets of Langerhans. It allows glucose (sugar) to pass blood into the cells of the body. These will use glucose as energy or store it for future use.

In healthy subjects, insulin is secreted continuously. The body produces insulin according to the needs and foods consumed. For example, after a meal, the pancreas secretes additional insulin, allowing blood glucose to stay within normal limits.

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Which of the following colors would indicate the coolest star
sp2606 [1]
Blue would be the hottest. And red would be considered the coolest.

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What is the function of these organelles? endoplasmic reticulum: Golgi body: mitochondrion: ribosome:
liraira [26]

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Golgi Body: sorting and processing proteins.

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Ribosome: synthesize proteins for use throughout the cell.

Hope this helps

-Amelia

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3 years ago
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