BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 10, Problem 1A
Cyclin-dependent kinases (Cdks) are regulated by
a. the periodic destruction of cyclins.
b. bipolar attachment of chromosomes to the spindle.
c. DNA synthesis.
d. Both a and b are correct.
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Students have asked these similar questions
Which of the following is not true regarding cytokinesis?*
A.Simultaneously happen with the telophase.
B.It is the division of cytoplasm.
C.The same with the interkinesis.
D.Leads to the formation of cleavage furrow.
What would be the effect of a drug that inhibited the breakdown of cyclin B?
List the functions of kinases and cyclins, and describe how they interact to cause cells to move through the cell cycle.
Chapter 10 Solutions
BIOLOGY
Ch. 10.1 - Prob. 1LOCh. 10.2 - Prob. 1LOCh. 10.2 - Distinguish between homologues and sister...Ch. 10.2 - Prob. 3LOCh. 10.3 - Describe the eukaryotic cell cycle.Ch. 10.4 - Prob. 1LOCh. 10.4 - Prob. 2LOCh. 10.5 - Describe the phases of mitosis.Ch. 10.5 - Explain the importance of metaphase.Ch. 10.5 - Compare cytokinesis in plants and animals.
Ch. 10.6 - Prob. 1LOCh. 10.6 - Prob. 2LOCh. 10.7 - Prob. 1LOCh. 10.7 - Prob. 2LOCh. 10 - Binary fission in prokaryotes does not require the...Ch. 10 - Chromatin is composed of a. RNA and protein. b....Ch. 10 - What is a nucleosome? a. A region in the cells...Ch. 10 - What is the role of cohesin proteins in cell...Ch. 10 - The kinetochore is a structure that functions to...Ch. 10 - Separation of the sister chromatids occurs during...Ch. 10 - Why is cytokinesis an important part of cell...Ch. 10 - What steps in the cell cycle represent...Ch. 10 - Cyclin-dependent kinases (Cdks) are regulated by...Ch. 10 - Prob. 2ACh. 10 - Genetically, proto-oncogenes act in a dominant...Ch. 10 - The metaphase to anaphase transition involves a....Ch. 10 - The main difference between bacterial cell...Ch. 10 - In animal cells, cytokinesis is accomplished by a...Ch. 10 - Regulation of the cell cycle is very complex and...Ch. 10 - Review you knowledge of signaling pathways...Ch. 10 - Compare and contrast how mutations in cellular...
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- Describe kinases and cyclins. How do they interact to cause cells to move through the cell cycle?arrow_forwardExplain the action of cyclin-dependent kinases inregulation of the cell cycle.arrow_forwardVinblastine is a standard chemotherapeutic drug used to treatcancer. Because it interferes with the assembly of microtubules,its effectiveness must be related to(A) disruption of mitotic spindle formation.(B) suppression of cyclin production.(C) myosin denaturation and inhibition of cleavage furrowformation.(D) inhibition of DNA synthesis.arrow_forward
- The mitotic spindle plays a critical role in which of the following processes? a) dissolving the nuclear membrane b) triggering the compaction and condensation of chromosomes c) splitting of the cell (cytokinesis) following mitosis d) separation of sister chromatidsarrow_forwardOften mutations in cyclin dependent kinases, CDKs, can cause cancer. This is because a. CDKs control the cell cycle progression b. CDKs control apoptosis c. CDKs affect DNA repair d. CDKs affect chromatin remodelingarrow_forwardWhy is a rapidly growing tissue, such as the root tip of a plant, a good model for studying the effects of a drug on cell division?arrow_forward
- An active S-cdk (a type of CDK) will most likely _________ a. degrade cyclin b. promote apoptosis c. prevent the cell cycle d. promote the cell cycle e. prevent apoptosisarrow_forwardThe role of cohesin is toa. make chromosomes more compact.b. allow for the replication of chromosomes.c. hold sister chromatids together.d. promote the separation of sister chromatids.arrow_forwardA Patients with an inherited cancer have a mutation in a zinc-finger motif of P21 (a cell-cycle regulatory gene). Which of the following is the most likely result of this A) Decreased binding of a transcription factor to a DNA sequence B) Enhanced binding of hormones to receptors C) Enhanced transport of a hormone receptor complex into the nucleus D) Stimulation of mRNA synthesis E) "Unzipping" of leucine-rich helicesarrow_forward
- The metaphase to anaphase transition involves a. new force being generated to pull the chromatids apart. b. an increase in force on sister chromatids to pull them apart. c. completing DNA replication of centromeres allowing chromosomes to be pulled apart. d. loss of cohesion between sister chromatids.arrow_forwardHow do Cyclins work? a. They are kinases that phosphorylate key proteins at different points in the cell cycle. b. They are transcription factors that regulate the transcription of genes required at different stages of the cell cycle. c. They stop progression of cells through the cell cycle. d. They bind and activate kinases related to progress through the cell cycle.arrow_forwardWhat happens to microtubules in the presence of very high levels of GTP? A. They will undergo treadmilling B. They will grow rapidly C. They become unstable and may undergo catastrophy D. They will shrinkarrow_forward
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