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- 1. Multiple Choice
In which stage of the cell cycle do the nucleus and its contents divide?synthesisgrowth/gap 1mitosisgrowth/gap 2 - 2. Multiple ChoiceDuring the growth/gap 1 stage of the cell cycle, a cellsplits into two new cellsdoubles in size and growthDuplicates its DNAdivides its cytoplasm
- 3. Multiple ChoiceWhich phrase best describes cancer?absence of cyclinsmultiple gene mutationsuncontrolled cell growthprecesnce of genetic defects
- 4. Multiple ChoiceEach chromosome contains two identical parts calledChromatinChromosomeSister Chromatidcentromere
- 5. Multiple ChoiceSubstage of Interphase in which the cell copies its DNA in preparation for cell divisionG1SynthesisG2Interphase
- 6. Multiple ChoiceSubstage of interphase in which the cell prepares for nuclear division and a protein that makes microtubules for cell division is synthesizedInterphaseG1SynthesisG2
- 7. Multiple ChoiceIn the G0 stage of interphase, the cell ____.GrowsRestsReplicates DNADivides
- 8. Multiple ChoiceWhen cells do not undergo G0, it may result in __________.Bacterial infectionViral infectionCancerCell apoptosis
- 9. Multiple ChoiceIn the G1 stage of the cell cycle, the cell ______.GrowsRestsReplicates DNADivides
- 10. Multiple ChoiceIn the S stage of interphase, the cell ____.GrowsRestsReplicates DNADivides
- 11. Multiple ChoiceNon-cancerous tumors are called _____. Cancerous tumors are called _____.metastatic ; malignantmalignant ; benignbenign ; malignantbenign ; metastatic
- 12. Multiple ChoiceStem cells arecells that grow uncontrollablyundifferentiated and can be any type of cellnever go through cell divisiononly found in embryos
- 13. Multiple ChoiceWhich of the following phrases best describes cytokenesisdivision of the cytoplasmdivision of the nucleusdivision of DNAdivision of surface area
- 14. Multiple ChoiceIn mitosis, the two resulting cells aredifferent from the starting cell and identical to each other.different from the starting cell and different from each other.identical to the starting cell and different from each other.identical to the starting cell and identical to each other.
- 15. Multiple ChoiceThe structures that hold together sister chromatidstissueschromosomesspindlecentromeres
- 16. Multiple ChoiceStructure C is pointing to one ____.chromatidchromosomecentromereDNA
- 17. Multiple ChoiceWhich is Metaphase?AECF
- 18. Multiple ChoiceIdentify the phase of mitosisprophasemetaphaseanaphasetelophase
- 19. Multiple ChoiceWhich structure contains the other?nucleus; genetic materialcell membrane; cell wallprokaryote; organellesnucleus; cytoplasm
- 20. Multiple ChoiceThe cell cycle is theperiod of time between the birth and the death of a cell.time from prophase until cytokinesis.series of events that cells go through as they grow and
divide.time it takes for one cell to undergo mitosis. - 21. Multiple ChoiceWhich of the following represents the phases of mitosis in their proper sequence?interphase, prophase, metaphase, anaphase, telophaseprophase, metaphase, anaphase, telophaseinterphase, prophase, metaphase, telophaseprophase, metaphase, anaphase, telophase, cytokinesis
- 22. Multiple ChoiceWhat is the role of the spindle during mitosis?It divides the cell in half.It duplicates the DNA.It breaks down the nuclear membrane.It helps separate the chromosomes.
- 23. Multiple ChoiceDuring which phase of mitosis do the chromosomes line up along the middle of the dividing cell?telophaseprophaseanaphasemetaphase
- 24. Multiple ChoiceWhich of the following is a correct statement about the events of the cell cycle?Little happens during the G1 and G2 phasesDNA replicates during cytokinesisThe M phase is usually the longest phaseInterphase consists of the G1, S, and G2 phases
- 25. Multiple ChoiceChromosomes first become visible during which phase of mitosis?telophaseprophasemetaphaseanaphase
- 26. Multiple ChoiceWhich of the following is a protein maintained at constant levels throughout the cell cycle that
requires cyclin to become catalytically active?Cdkcyclinprotein kinaseMPF - 27. Multiple ChoiceProteins that are involved in the regulation of the cell cycle, and that show fluctuations in
concentration during the cell cycle, are calledkinetochores.cyclins.centrioles.proton pumps. - 28. Multiple ChoiceAsexual reproduction results in identical offspring unless which of the following occurs?Natural selectionCloningCrossing overMutation
- 29. Multiple ChoiceA human cell containing 22 autosomes and a Y chromosome isa somatic cell of a female.a somatic cell of a male.an egg.a sperm.
- 30. Multiple ChoiceWhat is a checkpoint in the cell cycle?A check to see if the cell is ready to move onA stoplightA green lightSomething that makes sure that cells die
- 31. Multiple ChoiceIf you saw a cell with condensed chromosomes lined up in the center of the cell, you would know that the cell was inProphaseMetaphaseAnaphasePhase .02
- 32. Multiple ChoiceBacteria (prokaryotes) reproduce usingbuddingbinary fissionsporesseeds & pollen
- 33. Multiple ChoiceThe stage where chromosomes condese and the nucleus is visibleProphasemetaphaseanaphaseTelephase
- 34. Multiple ChoiceLeads to genetic variationMitosisMeiosisTranscriptionTranslation
- 35. Multiple ChoiceUnlike mitosis, meiosis results in the formation of2N daughter cells.haploid cells.body cells.diploid cells.
- 36. Multiple ChoiceGametes are produced by the process ofmeiosis.mitosis.replication.crossing-over.
- 37. Multiple ChoiceWhat is the mechanism of protein kinases?activate proteins by dephosphorylating themactivate proteins with cAMPchange membrane potentialactivate proteins by phosphorylating them
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