What is MPF? A polysaccharide that traps water and forms gels A protein complex involved in cell cycle regulation A gene involved in producing caspases A gene involved in proto-oncogenes transitioning to oncogenes

What is MPF? A polysaccharide that traps water and forms gels A protein complex involved in cell cycle regulation A gene involved in producing caspases A gene involved in proto-oncogenes transitioning to oncogenes

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter10: Cell Division And Mitosis

Section: Chapter Questions

Problem 16TYK: Apply Evolutionary Thinking The genes and proteins involved in cell cycle regulation in prokaryotes...

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Question

Please do both

What,is MPF?
A polysaccharide that traps water and forms gels
A protein complex involved in cell cycle regulation
A gene involved in producing caspases
A gene involved in proto-oncogenes transitioning to oncogenes
QUESTION 14
What is the purpose of DNA damage checkpoints?
translation of DNA
transeription of DNA
ensure damaeed DNA is not replicated & passed to daughter cells

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Which of the following statements about cell cycle regulators is incorrect? a. The concentrations of cyclins change throughout the cell cycle. b. Cyclins are present in all stages of the cell cycle except S. c. Cyclin-Cdk complexes phosphorylate target proteins. d. Cdks combine with cyclin to move the cycle into mitosis. e. During anaphase of mitosis, cyclin is degraded, allowing mitosis to end.
8. Molecules outside and inside the cell regulate the cellcycle, making it start or stop.a. What is an example of an external molecule thatregulates the cell cycle?b. What is an example of a molecule inside the cellthat is involved in cell-cycle regulation?
Which subunits activate CDKs at different cellcycle stages. Cyclins are present only in the cell cycle stagesthat they promote.
What promoting entry into the cell cycle are conserved across species. G1 CDKs inhibit a transcrip-tional repressor. This allows the transcription of G1/S phase cyclin genes and other genes important for S phase.
Once cells pass through the restriction point, they are committed to replicate DNA and enter the S phase of the cell cycle. The restriction point is regulated bey cyclin D, p16 Rb. How does mutation in or overexpression of the genes encoding each of these proteins lead to loss of cell cycle-control and cancer?
1. Damage to genomic DNA could result in each of the following except for? Inactivation of s cdk; activation of a checkpoint to halt cell cycle progression; activation of a protease that degrades cohesion; inactivated of m cdk 2. During which phase of mitosis does the cleavage of chromosomes bound cohesion complexes occur? Prophase; metaphase; anaphase; telephone 3. During which stage of the cell cycle does chromosomes condensation occur? Metaphase; s phase; anaphase; prophase 4. What are the three locations of the calcium pumps that helps a cell to maintain a very low concentration of free calcium in the cytoplasm at the resting state?
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How does MPF trigger M phase of the cell cycle? A. MPF phosphorylates proteins that triggers the activation of M phase B. MPF has a regulatory role in breakdown of the nuclear envelope during M phase C. MPF is a dimer subunit that is turned on during S phase to aid with chromosome replication D. MPF Cdk subunits regulate M phase
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Which of the following statements is incorrect? a. Some gene expression patterns can be passed to an individual's offspring. b. Expression of a master regulator triggers a gene express.ion cascade. c. X chromosome inactivation is necessary for normal development of male mammals.