Final - Quiz #12

Question 1

Ced - 9 functions directly to \_\_\_\_\_\_ Ced - \_\_\_\_\_\_\_.
     A. Inhibit; 7
     B. Inhibit; 4
     C. Stimulate; 3
     D. Stimulate; 4

Answer 1

B. Inhibit; 4

Question 2

Many stimuli that trigger cell death release the molecule \_\_\_\_\_\_\_ from mitochondria to bind to Apaf - 1.
     A. Cytochrome c
     B. Citric acid
     C. Ubiquinone
     D. ATP synthase

Answer 2

A. Cytochrome c

Question 3

Intestinal stem cells may give rise to all of the following terminally differentiated cell types in the intestinal epithelium except \_\_\_\_\_\_\_\_ cells.
     A. Absorptive epithelial
     B. Goblet
     C. Transit - amplifying
     D. Enteroendocrine

Answer 3

C. Transit - amplifying

Question 4

Hematopoietic stem cells can give rise to
A. Erythrocytes
B. Erythrocytes and lymphocytes
C. All blood cells and macrophages
D. All blood cells, macrophages, and skin cells

Answer 4

C. All blood cells and macrophages

Question 5

The gene ced - 3 of C. elegans codes for a proteolytic enzyme that is a(n):
     A. Serine protease
     B. Chymotrypsin
     C. Ubiquitin - targeted protease
     D. Caspase

Answer 5

D. Caspase

Question 6

The beginning of anaphase occurs when cohesins holding the sister chromatids together are degraded by:
     A. Anaphase - promoting complex
     B. ATM
     C. Proteasome
     D. Separase

Answer 6

D. Separase

Question 7

The structure that associates homologous chromosomes and keeps them aligned during meiotic prophase is called a:
     A. Chiasma
     B. Synaptonemal complex
     C. Centromere
     D. Pachytene complex

Answer 7

B. Synaptonemal complex