What is meant by the following statement about the cell membrane? The cell membrane is said to be semipermeable.

2 answers:

8 0

The cell membrane or a plasma membrane is a semipermeable membrane which means that this is a layer that allows only certain molecules that can pass through it. This allows the cells to keep their materials and the contents parted from the environment and from the other cells. This also makes the phospholipid bilayer an outstanding semipermeable membrane and protects the intracellular organelles from the environment that is outside from the cell.

denpristay [2]3 years ago

5 0

It only allow certain substances to pass through it therefore the cell membrane is like a filter.

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Answer:

During anaerobic respiration lactic acid is produced which is not good for human. It causes muscle pain.

ATP produces during anaerobic respiration are less while aerobic respiration produces more ATPs.

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During anaerobic respiration lactic acid is produced which is not good for human. It causes muscle pain.

ATP produces during anaerobic respiration are less while aerobic respiration produces more ATPs.

Aerobic respiration

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

Anaerobic Respiration

It is the breakdown of glucose molecule in the absence of oxygen and produce small amount of energy. Alcohol or lactic acid and carbon dioxide are also produced as byproducts.

Glucose→ lactic acid/alcohol + 2ATP + carbon dioxide

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