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A contractile molecule is a type of protein that can change shape or size in response to energy input, allowing for movement or contraction. These molecules are primarily involved in muscle contraction and cellular motility, with examples including actin and myosin in muscle fibers. They function by interacting with each other to produce force and enable movement at the cellular or organismal level.
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What does a volecule do?
A volecule is an organelle in cells. It is essentially a sac of water.
How does the contractil e vacuole help freshwater organisms survive?
Freshwater protozoan require contractile vacuole to regulate the amount of water in its body /cell because the liquids ,in the form of waste water etc ,present in protozoan are more concentrated than the surrounding freshwater water due to presence of different acid ,etc . As a result concentration gradient develops which facilitate the flow of freshwater from surroundings inside the body of the protozoan . If this water keeps on filling inside the body then it may lead to damage to the metabolism of the protozoan & may also lead to the death of the organism . Hence, a regulating body like contractile vacuole is needed to excrete out the extra water in the protozoan's body .
What does a volecule do?
A volecule is an organelle in cells. It is essentially a sac of water.
How does the contractil e vacuole help freshwater organisms survive?
Freshwater protozoan require contractile vacuole to regulate the amount of water in its body /cell because the liquids ,in the form of waste water etc ,present in protozoan are more concentrated than the surrounding freshwater water due to presence of different acid ,etc . As a result concentration gradient develops which facilitate the flow of freshwater from surroundings inside the body of the protozoan . If this water keeps on filling inside the body then it may lead to damage to the metabolism of the protozoan & may also lead to the death of the organism . Hence, a regulating body like contractile vacuole is needed to excrete out the extra water in the protozoan's body .
