4. If there are 26 units of DNA in cell A and 30 units of DNA in cell B in G2, how many DNA units will there be in each cell in G:? Source: fncultyr admiramar.etu A. 13 and 15 respectively B. 26 and 30 respectively C. 52 and 60 respectively D. The data is insufficient. For item number 5, please refer to the illustration of the cell cycle and control system. G15-and Sphasa ncin Cak didon detructon of sydins and sitirchomtid cshsion Mghane tiation metaghase-anaphase tranton Start checkpont metaghane anaphane tukinsi Source: David O. Morgan, Cell Cycle: Principles of Control, Primers in Biology (New Science Press Ltd 2007) 5. Which is the correct order of the idea drawn from the figure? 1. The G1/S- and S-phase Cdks help promote the activation of M-phase cyclin-Cdk complexes, which drive progression through the second major checkpoint at the entry into mitosis (G2/M checkpoint). Cyclin-Cdk complexes are activated during G2 Checkpoint, resulting in the phosphorylation of proteins that initiate DNA replication, centrosome II. duplication and other early cell-cycle events. III. Metaphase-to-anaphase transition leads to sister chromatid segregation, completion of mitosis and cytokinesis. IV. M-phase cyclin-Cdks phosphorylate proteins that promote spindle assembly, bringing the cell to metaphase. A. I, II. III. IV B. I, IV, III, II C. II, I, IV, III D. II. I. III, V

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4. If there are 26 units of DNA in cell A and 30 units of DNA in cell B in G2, how
many DNA units will there be in each cell in Gi?
Source: inculty ntmiramur estu
A. 13 and 15 respectively
B. 26 and 30 respectively
C. 52 and 60 respectively
D. The data is insufficient.
For item number 5, please refer to the illustration of the cell cycle and control
system.
G15- and
S-phase
nycin Cak
idiviton
destruction of
Mghase
yclins and
sirtenghromutid
cahesion
itivation
checkpont
metaphase--anaphese
tranition
Start
mataghane anaphae sytokinesin
Source: David O. Morgan, Cell Cycle: Principles of Control, Primera in Bionlogy (New Science Press
Ltd 2007)
5. Which is the correct order of the idea drawn from the figure?
I. The G1/S- and S-phase Cdks help promote the activation of M-phase
cyclin-Cdk complexes, which drive progression through the second major
checkpoint at the entry into mitosis (G2/M checkpoint).
Cyclin-Cdk complexes are activated during G2 Checkpoint, resulting in
the phosphorylation of proteins that initiate DNA replication, centrosome
duplication and other early cell-cycle events.
Metaphase-to-anaphase transition leads to sister chromatid segregation,
completion of mitosis and cytokinesis.
M-phase cyclin-Cdks phosphorylate proteins that promote spindle
assembly, bringing the cell to metaphase.
A. 1, II. III. IV
в. 1, IV, II, II
C. II, I, IV, III
D. II, I, III, IV
II.
III.
IV.
Transcribed Image Text:4. If there are 26 units of DNA in cell A and 30 units of DNA in cell B in G2, how many DNA units will there be in each cell in Gi? Source: inculty ntmiramur estu A. 13 and 15 respectively B. 26 and 30 respectively C. 52 and 60 respectively D. The data is insufficient. For item number 5, please refer to the illustration of the cell cycle and control system. G15- and S-phase nycin Cak idiviton destruction of Mghase yclins and sirtenghromutid cahesion itivation checkpont metaphase--anaphese tranition Start mataghane anaphae sytokinesin Source: David O. Morgan, Cell Cycle: Principles of Control, Primera in Bionlogy (New Science Press Ltd 2007) 5. Which is the correct order of the idea drawn from the figure? I. The G1/S- and S-phase Cdks help promote the activation of M-phase cyclin-Cdk complexes, which drive progression through the second major checkpoint at the entry into mitosis (G2/M checkpoint). Cyclin-Cdk complexes are activated during G2 Checkpoint, resulting in the phosphorylation of proteins that initiate DNA replication, centrosome duplication and other early cell-cycle events. Metaphase-to-anaphase transition leads to sister chromatid segregation, completion of mitosis and cytokinesis. M-phase cyclin-Cdks phosphorylate proteins that promote spindle assembly, bringing the cell to metaphase. A. 1, II. III. IV в. 1, IV, II, II C. II, I, IV, III D. II, I, III, IV II. III. IV.
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