AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
DNA is copied in the S part of this stage. Name that Stage!
A
Interphase
B
Prophase
C
Metaphase
D
Anapahse
Explanation: 

Detailed explanation-1: -In addition, chromosomal DNA is duplicated during a subportion of interphase known as the S, or synthesis, phase.

Detailed explanation-2: -S phase is the period during which DNA replication occurs.

Detailed explanation-3: -Interphase is composed of G1 phase (cell growth), followed by S phase (DNA synthesis), followed by G2 phase (cell growth).

Detailed explanation-4: -The S phase of the cell cycle occurs before the interphase and is involved in DNA synthesis or replication. In this way, the genetic material of the cell is replicated before entering mitosis or meiosis, leaving enough DNA to divide into daughter cells.

Detailed explanation-5: -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.

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