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QveST [7]
3 years ago
8

What differentiates plant and animal cells?

Biology
1 answer:
Fofino [41]3 years ago
3 0

Answer:

Cell walls composed of cellulose provide structure and support

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3 years ago
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1. What causes the autorhythmicity or action potentials of the nodal cells? a. A decrease in chloride permeability b. A gradual
Sveta_85 [38]

Answer:

The correct answer will be option-C

Explanation:

The rhythm of the heartbeat is controlled by the pacemaker of the heart called the sino-atrial node.

The SA node generates action potentials which trigger the contraction and relaxation of the atrium and ventricles. The membrane potential generation initiates by the depolarization of the cell membrane when the L type of Ca⁺² ions opens up and calcium ions enter the cell.

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3 years ago
True or False...
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Enzymes always contain protein. True or False?
dimaraw [331]
The answer to that is False.
8 0
4 years ago
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When oil coal and natural gas are held away from the rest of the carbon cycle for a long time it forms
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Answer:

fossil fuels

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oil, coal, and natural gasses once separated for a long time, form fossil fuels

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