at three specific checkpoints during the cell cycle a cyclin binds to a Cdk and activates a series of reactions that allow the cell to move on to the next phase. when in the cell cycle do these checkpoints occurs? select three answers.
a) late in the G2 phase
b) during the G1 phase
c) between the S and G2 phases
d) at the end of metaphase
e) at the end of prophase
a) late in the G2 phase
b) during the G1 phase
d) at the end of metaphase
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Substances that are reabsorbed or secreted in the ascending loop include ________
A) Potassium B) Chloride C) Sodium D) All of the above
Which of the following statements about bone remodeling is FALSE?
a) It occurs throughout your lifetime. b) It involves bone resorption. c) It involves bone deposition. d) It occurs at different rates at different locations. e) It occurs at a faster rate in compact bone than spongy bone.
Glycolysis is best defined as a catabolic reaction based upon the ________
A) conversion of glucose into two molecules of pyruvic acid B) conversion of glucose into carbon dioxide and water C) formation of sugar D) conversion of pyruvic acid into carbon dioxide and water
A person with a fractured mandible has a broken
A. back. B. upper jaw. C. lower jaw. D. neck. E. rib.