Which of the following is correct for growth in unicellular organisms?
(a) Grow by cell division
(b) Grow by cell elongation
(c) Both cell elongation and cell division (d) None of these
- tntament for growth;
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Answer:
A) grow by cell division
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(a) Grow by cell division
is correct statement for for growth in unicellular organisms.
Unicellular organisms
- Unicellular organisms are organisms that contains only one cell.
- An organism containing more than one cell or multiple cells are known as multicellular organisms.
Cell division
- Cell division is a process of dividing a single cell into 2 daughter cells with same genetic material.
- In cell division usually the cell that divides is known as mother cell or parent cell and the later divided cell are called as daughter cells.
In unicellular organisms growth refers to reproduction .
Unicellular organisms reproduce by cell division where mother cell replicates its genetic material and divides into two cells.
By this new generation is produced.
Hence the statement unicellular organisms
Grow by cell division is correct.
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