Biology, 29.10.2019 19:31 melaku234

Hep a student claims that a cytoskeleton is a structure unique to animal cells whose sole
responsibility is giving the cell its shape. why is this statement incorrect?
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Answer from: sbender2901

Explanation:

This statement is incorrect because the Cytoskeleton is not unique to animal cells. Vegetal cells also have a cytoskeleton.

Answer from: honeylebling

The cytoskeleton is a unique structure of all eukaryotic cells, which are all cells that have true nucleus. Thus we can say that the cytoskeleton is present in cells animal, plant cells and any other eukaryotic cell.

Explanation:

The cytoskeleton is a complex network of fibers found in eukaryotic cells that allows them to adopt various shapes and perform the most varied movements. It is composed of three types of molecular structures: the microtubules, the actin microfilaments or filaments and the intermediate filaments.

The cytoskeleton therefore has several functions, which can be summarized as follows:

Ensures shape and mechanical support of the cell; Promotes movement of cytoplasmic organelles and vesicles; Important in cellular contraction; Enables amoeboid movements.

Importantly, the cytoskeleton, because it ensures the movement of vesicles and can manipulate the plasma membrane, enables processes such as endocytosis and exocytosis to occur.

Answer from: Quest

Atp is is our little "pocket" of energy. of course, if you have too little, then it means you have too little energy, and you'll pass out. the way to not have enough, is to have no energy sources (glucose, fats, proteins). you can't have too many atp molecules. cycles like the krebs cycle produce it, but if you have too much of any substrate (or too little for that matter), the cycle stops and atp is no longer made (it stops until substrate levels are such that the process can go on). in any case, this is unlikely since atp is constantly hydrolyzed and remade, even while you're asleep. you won't have too much. if you have zero, you are dead or dying.

Answer from: Quest

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