Give reason for the following;
a) Inner membrane of mitochondria is deeply folded.
b) Golgi apparatus has an important role in the cell.
c) Endocytosis occurs only in animal cells and not in plant cells.
d) Lysosomes are called as suicidal bags.
e) Parts of a plant like leaf, stem etc. easily bend without breaking.
Answers
Answer:
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a) Mitochondrion possesses double membrane as its covering. The outer smooth surface and the inner membrane forms infoldings called as cristae, which increases surface area for more formation of energy in the form of ATP.
b) The Golgi apparatus plays a central role in the function of the secretory pathway. In eukaryotic cells, thousands of proteins can be properly transported, processed, and sorted as they move through the Golgi complex.
c) Endocytosis is not shown by plant cells because a rigid cell wall is present over the plasma membrane in them. Thus, this process is found in animals only.
d) Lysosomes are known as suicidal bags because they destroy any foreign material which enter the cell such as bacteria and virus.
e) Collenchyma allows an individual to easily bend the stem of a plant without breaking
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