Human Biology

Anonymous
timer Asked: Apr 23rd, 2016

Question description

1) A typical human epithelial cell in G2 of interphase would possess (1pt):

- 23 replicated chromosomes

- 46 unreplicated chromosomes

- 96 unreplicated chromosomes

- 23 unreplicated chromosomes

- 46 replicated chromosomes

Answer:

2) Which of the following best describes the division of a human somatic cell undergoing mitotic cell division?  It begins with a ______.(1pt)

- haploid cell and results in 2 haploid cells

- diploid cell and results in 2 diploid cells

- diploid cell and results in 2 haploid cells

- diploid cell and results in 4 haploid cells

- haploid cell and results in 2 diploid cells

Answer:

3) A human skin cell is observed.  It is found to have two distinct nuclei each having 46 unreplicated chromosomes.  These observations would be seen if the cell is in____. (1pt)

- G2 of interphase

- metaphase of mitosis

- S of interphase

- telophase of mitosis

- prometaphase of mitosis

Answer:

4) A substance is found to interfere with a dividing cell’s ability to polymerize tubulin proteins into microtubules.  With which aspect of cell division would this substance interfere? (1pt)

- the replication of chromosomes

- the condensation of chromosomes

- the formation of the mitotic spindle

- the decondensation of chromosomes

Answer:


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