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- 1. Multiple Choice
Which of the following distinguishes binary fission from mitosis?
occurs after DNA replication
occurs in eukaryotes
occurs in prokaryotes
occurs during the S phase
- 2. Multiple Choice
A student is labeling a diagram of mitosis. Which description should the student label as anaphase?
The chromosomes separate and move along spindle fibers to opposite ends of the cell.
The chromosomes, which were distinct and condensed, begin to spread out into a tangle of chromatin.
The centromeres of the duplicated chromosomes line up across the center of the cell.
The genetic material inside the nucleus condenses and the duplicated chromosomes become visible.
- 3. Multiple Choice
What is taking place during the G1 phase?
DNA replication
cytoplasm division
DNA repair
cell growth
- 4. Multiple Choice
What is taking place during the S phase?
DNA replication
cytoplasm division
DNA repair
cell growth
- 5. Multiple Choice
Some species are able to reproduce either sexually or asexually. What is a drawback of a population using asexual reproduction only?
High genetic diversity puts the population at risk to environmental change.
Low genetic diversity puts the population at risk to environmental change.
High genetic diversity prevents the population from expanding its territory.
Low genetic diversity prevents the population from expanding its territory.
- 6. Multiple Choice
A student is labeling a model of the cell cycle. Which substance(s) should the student label as regulating the cell cycle?
chromosomes
cyclins
nutrients
DNA
- 7. Multiple Choice
What is the purpose of DNA replication in the cell cycle?
to replace old DNA
to increase genetic diversity
to have two copies of each chromosome
to help the cell grow larger
- 8. Multiple Choice
What is taking place in the process shown?
DNA replication
cytoplasm division
sexual reproduction
cell growth
- 9. Multiple Choice
Which is an advantage of sexual reproduction compared to asexual reproduction?
increased survival rates in an unchanging environment
increased genetic diversity
increased rate of reproduction
less energy required for reproduction
- 10. Multiple Choice
Which of the following is a difference between mitosis and meiosis that is supported by the model?
In anaphase of mitosis, sister chromatids separate. In anaphase I of meiosis, homologous chromosomes separate.
Anaphase of mitosis leads to four haploid cells. Anaphase I of meiosis leads to two diploid cells.
Crossing-over occurs after anaphase of mitosis while crossing-over occurs before anaphase I of meiosis.
Chromosomes are not replicated before a cell enters anaphase of mitosis. Chromosomes have replicated before a cell enters anaphase I of meiosis.
- 11. Multiple Choice
During which phase of the cell cycle does DNA Replication occur?
Interphase
Prophase
Metaphase
Telophase
- 12. Multiple ChoiceIn Meiosis if the parent cells has 40 chromosomes, then how many will the daughter cells have40102018
- 13. Multiple ChoiceThe stages of mitosis in orderMetaphase, Anaphase, Prophase, TelophaseProphase, Anaphase, Metaphase, TelophaseProphase, Metaphase, Anaphase, TelophaseAnaphase, Prophase, Telophase, Metaphase
- 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 ChoiceWhich is true about asexual reproduction?Takes only one mate to reproduce and takes a longer time to reproduceTakes a shorter amount of time to reproduce and it takes two mates to reproduceReproduces diverse offspring and takes a longer time to reproduceTakes only one mate to reproduce and takes a shorter time to reproduce
- 16. Multiple ChoiceWhat percentage of chromosomes are contributed by a sperm cell?75%25%50%100%
- 17. Multiple ChoiceBacteria reproduce asexually by a process calledreplicationmeiosissplitting in twobinary fission
- 18. Multiple ChoiceBefore a cell can divide, what must happen?Nothing, it is always ready to divideThe number of chromosomes must be reduced by halfThe chromosomes must replicateThe number of chromosomes must triple.
- 19. Multiple ChoiceAfter meiosis, the haploid number of chromosomes in a human sex cell is:46922223
- 20. Multiple ChoiceWhat is the diploid number of cells found in a human body cell?23469247
- 21. Multiple ChoiceMeiosis creates how many cells?1234
- 22. Multiple ChoiceAt the end of mitosis, how many identical cells will you have?1234
- 23. Multiple ChoiceAnother name for a sex cell is a:gameteembryobone cellmuscle cell
- 24. Multiple ChoiceWhat type of environmental factors can be the cause of cancer?radiation from x-rays or the sunchemicalssmokingall of the options
- 25. Multiple ChoiceThe process on the left is:
The process on the right is:Left: meiosis
Right: meiosisLeft: meiosis
Right: cloningLeft: mitosis
Right: meiosisLeft: mitosis
Right: mitosis - 26. Multiple ChoiceWhat are chromosomes?The control centerCondensed chromatinHandle for spindle fibersMicrotubules
- 27. Multiple ChoiceWhat are spindle fibers?One half of a chromosomeCondensed chromatinKinetechoresProtein structures that separate chromosomes
- 28. Multiple ChoiceWhat happens during Interphase?Mitosis and MeiosisGrowth and DNA synthesisDNA synthesis and mitosisGrowth and mitosis
- 29. Multiple ChoiceIn which phase of mitosis does this occur:
Chromatids move to opposite sides of the cell.InterphaseProphaseMetaphaseAnaphase - 30. Multiple ChoiceIn which phase of the cell cycle does this occur:
The cytoplasm divides.InterphaseAnaphaseCytokinesisTelophase - 31. Multiple ChoiceIn which phase of the cell cycle does this occur:
The chromosomes line - up along the middle of the cell.CytokinesisTelophaseMetaphaseAnaphase - 32. Multiple ChoiceIn which phase of the cell cycle does this occur:
The chromatin condenses and chromosomes become visible.AnaphaseTelophaseMetaphaseProphase - Answer choicesTagsAnswer choicesTags