AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two major periods of the cell cyle?
A
Interphase & Prophase
B
Cell-Division & Cytokinesis
C
Interphase & Cell-Division
D
Interphase & Cell-Happiness
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: -As viewed in the microscope, the cell cycle is divided into two basic parts: mitosis and interphase. Mitosis (nuclear division) is the most dramatic stage of the cell cycle, corresponding to the separation of daughter chromosomes and usually ending with cell division (cytokinesis).

Detailed explanation-3: -Interphase is the stage that a cell undergoes before the beginning of the cell division or mitotic phase. During the interphase, two most important processes occurs. The first is the growth of the cell in size and the second in the duplication of the DNA (deoxyribonucleic acid).

Detailed explanation-4: -There are three stages of interphase: G1 (first gap), S (synthesis of new DNA ), and G2 (second gap). Cells spend most of their lives in interphase, specifically in the S phase where genetic material must be copied.

Detailed explanation-5: -A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.

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