Question

G1 Phase S Phase -G2 Phase Go Phase ? Interphase Mitosis G1 checkpoint (restriction) A. The cell is biochemically active but changes, including cell growth and division, are not evident ("gap"). B. DNA synthesis occurs with three important processes: • Identical copies of the DNA molecules (sister chromatids) are joined at the centromere • Centrosomes produce the mitotic spindles to move the chromosomes. • In animal cells, centrosomes are associated with centrioles which help organize cell division. C. Energy is replenished, organelles reproduce and cytoskeleton breaks down. D. The three phases -- G1 Phase, S Phase and G2Phase -- comprise interphase, when cells undergo normal growth and prepare for cell division. E. A "holding pattern" when the cell waits for signs that conditions are better to proceed in the cell cycle. F. The replicated DNA and cytoplasm are split and the cell divides in the following four phases -- Prophase, Metaphase, Anaphase, Telophase & Cytokinesis (PMAT).

          G1 Phase
S Phase
-G2 Phase
Go Phase
? Interphase
Mitosis
G1 checkpoint
(restriction)
A. The cell is biochemically active but changes, including cell growth
and division, are not evident ("gap").
B. DNA synthesis occurs with three important processes:
• Identical copies of the DNA molecules (sister chromatids) are
joined at the centromere
• Centrosomes produce the mitotic spindles to move the
chromosomes.
• In animal cells, centrosomes are associated with centrioles
which help organize cell division.
C. Energy is replenished, organelles reproduce and cytoskeleton
breaks down.
D. The three phases -- G1 Phase, S Phase and G2Phase -- comprise
interphase, when cells undergo normal growth and prepare for cell
division.
E. A "holding pattern" when the cell waits for signs that conditions are
better to proceed in the cell cycle.
F. The replicated DNA and cytoplasm are split and the cell divides in
the following four phases -- Prophase, Metaphase, Anaphase,
Telophase & Cytokinesis (PMAT).

G1 Phase
S Phase
-G2 Phase
Go Phase
? Interphase
Mitosis
G1 checkpoint
(restriction)
A. The cell is biochemically active but changes, including cell growth
and division, are not evident ("gap").
B. DNA synthesis occurs with three important processes:
• Identical copies of the DNA molecules (sister chromatids) are
joined at the centromere
• Centrosomes produce the mitotic spindles to move the
chromosomes.
• In animal cells, centrosomes are associated with centrioles
which help organize cell division.
C. Energy is replenished, organelles reproduce and cytoskeleton
breaks down.
D. The three phases – G1 Phase, S Phase and G2Phase – comprise
interphase, when cells undergo normal growth and prepare for cell
division.
E. A "holding pattern" when the cell waits for signs that conditions are
better to proceed in the cell cycle.
F. The replicated DNA and cytoplasm are split and the cell divides in
the following four phases – Prophase, Metaphase, Anaphase,
Telophase Cytokinesis (PMAT).

Added by Yolanda J.

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