AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
DNA is replication would occur during which of the following ____ of the cell cycle. CHOOSE ALL THAT APPLY!
A
G1
B
S
C
G2
D
G0
E
Interphase
Explanation: 

Detailed explanation-1: -M phase (mitosis) is usually followed by cytokinesis. S phase is the period during which DNA replication occurs.

Detailed explanation-2: -The interphase of a normal cell cycle will thus, consist of the G1 (Gap 1) phase, S (Synthesis) phase, and G2 (Gap 2) phase. The S phase is the phase in which replication of DNA will take place which is then followed by histones synthesis. This is the phase taking place between the G1 phase and G2 phase.

Detailed explanation-3: -Explanation: During the G1 phase the cell grows and also carries out normal cellular functions. In the synthesis (S) phase the DNA is replicated resulting in two copies of each of the chromosomes.

Detailed explanation-4: -Also known as gap 1 phase, it is the first phase of the cell cycle in cell division. The cell is metabolically active and continuously grows in this phase of the cell cycle. However, no DNA replication takes place in this phase.

There is 1 question to complete.