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
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
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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