Deck 6: Cellular Structure and Function

Question 1

Protein synthesis occurs in what part of a cell?

A)ribosomes
B)nucleus
C)mitochondria
D)lysosomes

Answer 1

ribosomes

Question 2

In what stage of the cell cycle does DNA replication occur?

A)G1
B)S
C)G2
D)M

Answer 2

S

Question 3

The nucleolus of a cell is composed of

A)hydrolytic enzymes.
B)glycoproteins.
C)RNA.
D)lipids.

Answer 3

RNA.

Question 4

After birth,where does hematopoiesis predominantly occur?

A)bone marrow
B)spleen
C)liver
D)lymph nodes

Question 5

What component of the erythrocyte is most responsible for its cytoskeleton and cellular integrity?

A)glycocalyx
B)cytoskeletal protein
C)nucleus
D)Golgi complex

Question 6

A cell that is actively synthesizing protein has

A)more nucleoli.
B)more heterochromatin.
C)fewer ribosomes.
D)fewer mitochondria.

Question 7

Lysosomes are found in the cytoplasm of many cells and contain

A)cholesterol.
B)hydrolytic enzymes.
C)glycoproteins.
D)RNA.

Question 8

Erythropoietin is a growth factor affecting erythroid progenitors and is produced by what organ?

A)bone marrow
B)spleen
C)kidney
D)liver

Question 9

How does the genetically active portion of the nuclear chromatin look when stained with Wright stain?

A)condensed, darkly stained
B)clumped, dark purple
C)ropelike, pink or red
D)diffuse, uncondensed and pale blue

Question 10

What cellular component "directs traffic" for smooth functioning?

A)mitochondria
B)ribosomes
C)Golgi complex
D)nucleoli

Question 11

Where are surface markers that help in cell identification found?

A)cell membrane
B)Golgi complex
C)rough endoplasmic reticulum
D)nucleus

Question 12

Which of the following morphologic characteristics is representative of apoptosis?

A)inflammation
B)cell swelling
C)cell shrinkage
D)cell lysis

Question 13

If the lysosomal membrane ruptures,what is the consequence to the cell?

A)activates cell nucleus to replicate DNA
B)enhances protein synthesis by ribosomes
C)damages internal cell structures
D)facilitates rearrangement of intracellular organelles

Question 14

What cellular component of the erythrocyte is its control center?

A)heterochromatin
B)Golgi complex
C)nucleus
D)cytoplasm

Question 15

What cellular component is responsible for energy production and metabolic processes?

A)ribosomes
B)nucleus
C)mitochondria
D)lysosomes

Question 16

What cellular structures appear as granules with Wright stain?

A)ribosomes
B)Golgi bodies
C)mitochondria
D)lysosomes

Question 17

If the cytoplasm of a cell is very basophilic or blue when stained with Wright stain it contains

A)low concentration of lysosomes.
B)large number of ribosomes.
C)small number of ribosomes.
D)high concentration of lysosomes.