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Lubov Fominskaja [6]
3 years ago
6

How do the vacuoles and cytoplasm contribute to maintaining homeostasis in a cell?

Biology
1 answer:
Anestetic [448]3 years ago
5 0

Answer:

Vacuoles regulate the turgidity by regulating the amount of water inside the cell. cell has excessive water: vacuole absorbs the water and then diffuses it out of the cell. cell lacks water: water from the vacuole gets passed back into the cell thereby maintaining turgidity

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Like poisonous dart frogs, monarch butterflies are brightly colored. What might be adaptive advantage of bright coloration?
kvasek [131]
A adaptive advantage may be that they can blend in with their surroundings, and live on to create more monarchs. 
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4 0
3 years ago
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under certain circumstances, the actin and myosin myofilaments can be extracted from muscle cells and placed in a beaker. they s
nataly862011 [7]

Another ATP-binding site on myosin is where enzymatic activity converts ATP to ADP, releasing energy and an inorganic phosphate molecule. When ATP binding causes myosin to release actin.

<h3>What is the function myosin?</h3>

The first molecular motor, myosin, is a protein that transforms chemical energy in the form of ATP into mechanical energy to produce force and movement.

<h3>What components make up myosin?</h3>

A head, neck, and tail domain make up the majority of myosin molecules. With the exception of myosin VI, which moves toward the pointed (-) end of the filament, the head domain attaches the filamentous actin and produces force by ATP hydrolysis as it "walks" along the filament towards the barbed (+) end.

To know more about Myosin visit:

brainly.com/question/15071887

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4 0
2 years ago
If you wanted to design an artificial hormone who's action on a target cell required the least amount of interaction with that c
vitfil [10]

Answer:

The water soluble hormones affect the target cells with least amount of interaction.

Explanation:

Hormones are the chemical messengers. These are the substances secreted by the endocrine glands. The hormones are secreted directly into the bloodstream and are carried to the target cells within the blood only.  

Based on their structure, hormones are water-soluble or lipid-soluble. The lipid-soluble hormones are steroid hormones and thyroid hormones. These hormones can easily pass through the lipid bilayer of the cell membrane of the target cell. Therefore, the lipid-soluble hormones have intracellular receptors that are present in either cytoplasm or the nucleus of the target cells.  

On the other hand, the water-soluble hormones can not pass through the lipid bilayer of the target cells. Therefore, these hormones have extracellular receptors on the surface of the target cells. Binding of the water-soluble hormones to their cell surface receptors triggers the production of the intracellular second messengers that finally carry the signal to the target protein or any other target molecule.

<u>Therefore, a water-soluble hormone exhibits the least amount of interaction with the target cell. Amine hormones such as epinephrine and melatonin, peptide hormones such as oxytocin are some examples of the water-soluble hormones.  </u>

8 0
3 years ago
a naked male corpse was found at 8 a.m. on Tuesday, July 9. The air temperature was already 26.7 degrees Celsius. The body exhib
Vlada [557]
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6 0
3 years ago
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AT THE horse evolved from its ancestors due to changes in feeding habits substantial changes occurred in the shape of its teeth.
AlekseyPX
I think it is B because horses now have flat teeth, while horses back then had sharper teeth, I think. Tell me if I am wrong.
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