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G1.QUE
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1989-11-17
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982b
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\Q2
What phase during meiosis will the lamina begin to break up?
1) Interphase 2) Prophase 3) Telophase
4) All of the above 5) None of the above
\E
During prophase protein kinase will add a PO4(3-) to the lamina
causing the structural fibers to fall apart thus the nuclear
envelope breaks into pieces.
\Q4
The volume of the cytoplasm increases during which phase
of the cell cycle?
1) S1 2) S 3) G2 4) G1 5)G0
\E
During G1 the cell is growing due to an increase in the
cytoplasmic volume.
\Q4
During the initial embryonic development the G1 phase is?
1) Twice as large as that for adult cells because they need
more cytoplasmic components.
2) The same as for developed cells.
3) Exists only for a few days.
4) Doesn't occur at all.
5) Doesn't occur at all because cells are held in
interphase.
\E
The G1 phase is so very short it is safe to assume that it
doesn't exist at all.