Question

2. Interphase
A. involves the growth of a cell
B. involves replication of chromosomes
C. involves the replication of the centrosomes/centrioles
D. all of the above

Answer 1

3. When a chromosome replicates itself what is produced?
A. two chromatids held together by a centromere
B. two complete separate chromosomes
C. four homologous chromosomes
D. a new nucleus
4. Prophase
A. is a part of interphase
B. is the second stage of mitosis
C. is when the chromatin winds together (condenses)
D. is when centromeres pull chromosomes to opposite sides of the cell
5. Chromatin is
A. a visible form of the chromosome
B. an unwound strand of DNA and proteins
C. the material that makes up the nuclear envelope
D. replicated during prophase
6. What occurs during prophase
A. the nuclear envelope dissolves
B. the centrosomes migrate to opposite sides of the cell
C. the chromosomes condense to become shorter and thicker
D. all of the above
7. During metaphase
A. chromosomes move to opposite sides of the cell
B. chromosomes become longer
C. chromosomes line up at the center of the cell
D. all of the above
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8. In anaphase
A. sister chromatids separate
B. all chromosomes move as a group to one side of the cell
C. the cytoplasm divides in two
D. the spindle fibers dissolve
9. As soon as sister chromatids separate they are each called
A. spindle fibers
B. chromosomes
C. centromeres
D. all of the above
10. During telophase and cytokinesis (which both occur at the same time)
A. two new nuclear membranes form
B. the cytoplasm is split into two complete cells
C. two diploid cells are created
D. all of the above

Answer 2

2: D
3: A (not sure!)
4: C (not sure!)
5:A
6:D
7:C
8:A
9:A
10:D