Biology Exam 4

Question 1

What is another name for a microtubule organizing center in animal cells?
A. Centromere
B.Centriole
C.Centrosome
D.Kinetechore

Answer 1

A. Centrosome

Question 2

coOne general common characteristic of the most serious cancers might be ____.

Question 3

Cells get past cell-cycle checkponts by _____.
A. CDKS working on their own to phosphorylate other proteins
B. Cyclins working on their own to phosphorylate other proteins
C. CDKS bound to cyclins phosphorylating other proteins
D. Cyclins being present at the same level during the entire cell cycle

Answer 3

A. CDKS bound to cyclins phosphorylating other proteins

Question 4

Define haploid number

Answer 4

Symbolized n, sets of chromosomes

Question 5

Define cell division

Answer 5

New cells made from cells already existent.

Question 6

During anaphase 1, which of the following separate?

A. Homologous chromosomes
B. Sister chromatids
C. Autosomes
D. Sex chromosomes

Answer 6

A. Homologous chromosomes

Question 7

How many copies of chromosome 14 do your muscle cells contain?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer 7

C. 2

Question 8

Define cytokinesis

Answer 8

Division of cytoplasm, 2 daughter cells completed

Question 9

Meiosis of 2 diploid cells result in the production of____.

A. 2 diploid cells
B. 2 haploid cells
C. 4 diploid cells
D. 4 haploid cells

Answer 9

D. 4 haploid cells

Question 10

Define a benign tumor

Answer 10

Noncancerous and noninvasive

Question 11

Where do the two copies of chromosome 14 in your muscle cells come from?

A. From your mother
B. From your father
C. One from your mother and one from your father
D. Random

Answer 11

C. one from your mother and one from your father

Question 12

Define autosomes

Answer 12

Non-sex chromosomes