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Dima020 [189]
3 years ago
8

Insulin is a protein hormone. How would insulin bind to its target cells?

Biology
2 answers:
MissTica3 years ago
4 0

Answer:

The correct answer would be "Through a receptor on the cell membrane that transduces its signal to the cell's DNA".

Hormones produce their effects mainly by binding to their specific receptors. It leads to the formation of a hormone-receptor complex which results in certain biochemical changes on a target tissue.

These receptors can be of two types of membrane-bound and intracellular receptors.

The hormones which are protein or amine in nature are water soluble and thus can not pass through the lipid bilayer of a cell. They produce their effects mainly by binding to the membrane bound receptors. For example, insulin, growth hormone, Adrenaline, ADH, oxytocin, FSH, TSH et cetera.

Insulin binds to glycoprotein complex receptor present in the cell membrane.

In contrast, a lipid-soluble hormone such as steroidal hormone (estrogen) binds to the intra-cellular receptors as they can easily pass through the lipid bilayer.

Deffense [45]3 years ago
3 0
The answer is A. The insulin, like many hormones binds to cells through receptors found on the cell membrane
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Answer:

1) intake of glucose molecules from the blood by specific transporters

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3) binding of hormones with receptors on the liver

4) release of hormones from the receptors

5) synthesis of hormones by beta cells

Explanation:

During ingestion of the meal, insulin is produced in response to high blood glucose levels (concentration of glucose increases after digestion of food). Like other hormones, insulin performed its action through binding specific signals to specific receptors e.g, liver, muscle cells.  The high glucose level in the blood send signals through hormones to liver, fat, and muscle cell receptors. These receptors release specific hormones to beta cells of the pancreas. In response to the signals from receptors, beta cells synthesize insulin to minimize glucose levels in the bloodstream.  

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3 years ago
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Extreme heat and pressure causes nuclear fusion.

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Answer:

The osprey card and its description should be placed in the heterotrophs group.

Explanation:

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In the trophic chain, heterotrophic organisms occupy the <u>first, second or third consumer level</u>, after producers.

There are different types of heterotrophic animals: carnivorous, herbivorous, omnivorous, hematophagous, ichthyophagous, and etcetera. All of them depend on autotrophic organisms.

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yuradex [85]

Answer:

For the 1st part, the correct answer is option C.  

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For the 2nd part, the correct answer is option D.  

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