MICROBIOLOGY
MCB 2004 - SAMPLE EXAM 2
1.
THE TRANSFER OF BACTERIAL DNA FROM A DONOR CELL TO A RECIPIENT
CELL MEDIATED BY BACTERIOPHAGE IS
A.
TRANSFORMATION
B.
TRANSCRIPTION
C.
TRANSDUCTION
D.
CONJUGATION
KEY FOR QUESTIONS 2-6. THERE IS ONLY ONE CORRECT ANSWER, BUT EACH
ANSWER MAY BE USED MORE THAN ONCE (OR NOT AT ALL).
A.
CHLAMYDIA
B.
BACILLUS
C.
RICKETTSIA
D.
PSEUDOMONAS
E.
CORYNEBACTERIUM
_____2.
THIS BACTERIUM BELONGS TO THE BEST STUDIED OF ALL GROUPS
OF BACTERIA, THE -PROTEOBACTERIA
_____3.
THE ELEMENTARY BODY MOVES FROM CELL TO CELL
_____4.
_____5.
MOST CLOSELY RELATED TO THE BACTERIA THAT CAUSE
TUBERCULOSIS
AN OBLIGATE INTRACELLULAR PARASITE IN THE PROTEOBACTERIA
_____6.
AN ENDOSPORE FORMING BACTERIUM
7.
THIS TOXIN IS FOUND IN BOTH ESCHERICHIA COLI AND NEISSERIA
GONORRHOEAE
A.
DIPHTHERIA TOXIN
B.
CHOLERA TOXIN
C.
TETANUS TOXIN
D.
ENDOTOXIN
8.
VIROIDS
A.
INFECT ONLY INSECTS
B.
ARE COMPOSED OF “NAKED” RNA
C.
BOTH OF THE ABOVE
D.
NEITHER OF THE ABOVE
9.
IN THE PRIMARY IMMUNE RESPONSE
A.
THE IgA CONCENTRATION GOES UP FIRST
B.
THE IgM CONCENTRAION GOES UP LATER AND REMAINS HIGH
C.
BOTH OF THE ABOVE
D.
NEITHER OF THE ABOVE
10.
INTERFERON IS A PROTEIN THAT
A.
IS MADE BY CELLS INFECTED BY BACTERIA
B.
OPSONIZES BACTERIAL CELLS
C.
PROTECTS CELLS AGAINST VIRAL MULTIPLICATION
D.
CAUSES INFLAMMATION
E.
INTERACTS WITH ANTIGEN