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13 Questions

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Cell Division and Life Cycle Quiz

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Questions and Answers

What is the main purpose of mitosis?

To maintain the continuity of the chromosomal set

To produce gametes in the testis and ovary

To result in reduction division in somatic cells

To produce equal and identical cells in somatic cells (correct)

Where does meiosis occur in the body?

In all living cells

In the cells of the brain and spinal cord

In somatic cells only

In germ cells of the testis and ovary (correct)

What is the significance of interphase in the cell cycle?

It occurs in gametes only

It is responsible for producing identical cells in somatic cells

It ensures the continuity of the chromosomal set (correct)

It is the phase where reduction division takes place

What is the process in which the number of chromosomes per cell is halved through the separation of homologous chromosomes?

Meiosis Signup and view all the answers

What is the phase in which the cell doubles in size and DNA replicates?

Interphase Signup and view all the answers

What type of cell contains both sets of homologous chromosomes?

Diploid cell Signup and view all the answers

In which phase does mitosis begin and the cell starts to divide?

Prophase Signup and view all the answers

What occurs during cytokinesis in the cell cycle?

Cell membrane pinches and forms identical daughter cells Signup and view all the answers

What is the primary structural component of cellular membranes?

Phospholipids Signup and view all the answers

In the bilayer arrangement of membrane phospholipids, where are the hydrophobic fatty acid tails oriented?

Away from the polar environment Signup and view all the answers

Which part of a phospholipid is oriented toward the polar environment in cellular membranes?

Hydrophilic portions Signup and view all the answers

What provides increased stability to the basic structure of cellular membranes?

Cholesterol Signup and view all the answers

Where are some phospholipids commonly found in the arrangement of cellular membranes?

Outer leaflet Signup and view all the answers