1. Cell Cycle/Mitosis/Meiosis
Unit 5 Test Review
Cell Cycle/Mitosis/Meiosis

2. Question #1
Looking at the diagram below, what would be the correct order of the illustrated stages of mitosis?
B-D-C-A
A-B-C-D
A-B-D-C
B-C-D-A

3. Question #2
The diagram below illustrates the stages of the cell cycle. Inhibitors stop the cycle at G1 to avoid cells dividing out of control. When mutations take place and do not allow the inhibitors to stop the cell cycle, what can happen in the body?
Cell death
Deformities
Birth defects
Cancer

4. Question #3
Growth and repair of the body cells happen because of ____________. In organisms that reproduce sexually, gametes are produced by _____________.
Mitosis; meiosis
Meiosis; mitosis
Mitosis; conjugation
Meiosis; gametogenesis

5. Question #4 Before mitosis can start, what must happen first?
chromosome replication, formation of the cell plate, growth
growth of cytoplasm, duplication of cellular organelles, chromosome replication, formation of the cleavage furrow
growth, replication of chromosomes, duplication of cellular contents, chromosomal alignment in the middle of the cell
growth and duplication of cell organelles, chromosome replication, growth and repair of chromosomal errors

6. Question #5
What would be the correct order in the diagram below?
P-R-Q
Q-R-P
R-P-Q
P-Q-R

7. Question #6
What is the name of the phase in which cells prepare for division?
Prophase
Interphase
Metaphase
Cytokinesis

8. Question #7 How many chromosomes does a human somatic cell have? 23 4664 92

9. Question #8
If an inhibitor cannot stop the cell cycle in G1 and the cell cycle continues to prepare and divide cells uncontrollably, what could develop in the body?
Diabetes
Extra DNA
Extra RNA
Tumor

10. Question #9 For what reasons do cells divide? To make DNA
To prevent tumors from being created
To make sex cells that will them combine to form offspring
For growth, repair and reproduction

11. Question #10
Organisms begin life as ___________ cells.
Haploid
Zygotic
Embryonic
Single

12. Question #11
Cancer cells can appear in many parts of the body. What could be a possible cause for these cells?
Lack of antibiotics given when the first cell appeared
Deficiency of vitamins A and C
Blood clots
Genetic mutation in the somatic cells

13. Question #12 What is a zygote? A sex cell
The combination of a sperm and egg cell
A haploid cell
A cancerous cell

14. Question #13
When a zygote develops into a multicellular organism it is because:
Protein synthesis is followed by meiosis
Meiosis is followed by mitosis
Mitosis is followed by cell differentiation
Meiosis is followed by cell differentiation

15. Question #14
If you have a test question that mentions “UNCONTROLLED cell growth”, what type of disease is it making reference to?
CANCER

16. Chromosomes align in the middle of the cell: Metaphase Anaphase
Question #15
Chromosomes align in the middle of the cell:
Metaphase
Anaphase
Telophase
Prophase

17. Question #16
Nuclear envelope disappears, chromatin condenses into chromosomes, spindle forms:
Metaphase
Prophase
Anaphase
Telophase

18. Question #17
Nuclear envelope forms at each pole, spindle dissolves, chromosomes uncoil:
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

19. Question #18
Cytoplasmic division:
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

20. Question #19
Which term describes a very long condensed molecule of DNA?
Chromosome
Gene
Helix
nucleotide

21. DNA is often referred to as: Powerhouse of the cell
Question #20
DNA is often referred to as:
Powerhouse of the cell
Control center of the cell
Blueprint of the cell
Creator of the cell

22. Question #21
When chromosomes segregate during Meiosis II, the results are:
A fertilized sperm cell
A group of genetically identical cells
The reduction of the number of chromosomes per cell
The reduction in the total number of cells per organism

23. Question #22 What process is illustrated in the diagram below?
Crossing over
Segregation of sister chromatids
DNA replication
Mutation of the content of DNA

24. Question #23 Which of the statements below describes meiosis?
It is carried out in all cells for the growth of the individual
It is considered the first stage of mitosis
It happens in all body cells except for brain and spinal cord cells
It happens in the cells of the reproductive organs

25. Question #24
Interphase is characterized by having three stages G1, S and G2. What event takes place in G1?
DNA replication
Formation of the spindle
Organelle replication
Growth of the cell

26. Question #25 Which process does NOT take place during Prophase?
Chromosomes line up in the middle of the cell
Coiling of the chromosomes
Breaking down of the nuclear envelope
Nucleolus disappears

27. Question #26
If an error took place during mitosis, what could the possible consequence be?
Cell death
Disturbance in fertilization
Mutations that can lead to cancer
Both a and c

28. Question #27 What are the two main stages of cell division?
Telophase and cytokinesis
M phase and S phase
Mitosis and cytokinesis
Interphase and mitosis

29. Questions #28
What event takes place during the S phase that is essential for the daughter cell formation in the M phase?
Chromosomes must be joined together
DNA replication
Cytoplasmic separation
Expansion of the cell membrane

30. Question #29
During cell differentiation, DNA tells the fertilized egg to:
Combine with the sperm cell to create many organisms
Combine with other fertilized eggs
Divide into many organisms that will vary in size
Divide into many cells that will vary in function

31. Question #30 The karyotype below is a:
Normal male (no genetic disorder)
Male with trisomy 21 (Down Syndrome)
Normal female (no genetic disorder)
Female with trisomy 21 (Down Syndrome)

32. Question #31 Which stage of mitosis is the diagram below illustrating?
Prophase
Metaphase
Anaphase
Telophase

33. Question #32
Which stage of mitosis is the diagram below illustrating?
Prophase
Metaphase
Anaphase
Telophase

34. Question #33
Which stage of mitosis is the diagram below illustrating?
Prophase
Metaphase
Anaphase
Telophase

35. Question #34 What are homologous chromosomes?
Chromosomes that are identical
Chromosomes that are from the same individual
Chromosomes with similar characteristics
Chromosomes with different characteristics