AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the three phases of interphase?
A
G3, S, G5
B
G1, S, G2
C
DNA replication, Chromosome separation, Cytokinesis
Explanation: 

Detailed explanation-1: -Interphase is composed of G1 phase (cell growth), followed by S phase (DNA synthesis), followed by G2 phase (cell growth).

Detailed explanation-2: -Initially in G1 phase, the cell grows physically and increases the volume of both protein and organelles. In S phase, the cell copies its DNA to produce two sister chromatids and replicates its nucleosomes. Finally, G2 phase involves further cell growth and organisation of cellular contents.

Detailed explanation-3: -The first three phases of the cell cycle, G1, S, and G2 are collectively known as interphase. The following phase of the cell cycle, mitosis, is divided into the five distinct stages of prophase, prometaphase, metaphase, anaphase, and telophase.

Detailed explanation-4: -Interphase is defined by three stages: the first gap phase (G1), the synthesis (S) phase, and the second gap (G2) phase.

Detailed explanation-5: -The cell cycle is a 4-stage process consisting of Gap 1 (G1), synthesis (S), Gap 2 (G2), and mitosis (M), which a cell undergoes as it grows and divides. After completing the cycle it either starts the process again from G1 or exits through G0.

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