STRAIGHTERLINE MICROBIOLOGY Exam
Comprehensive Responses for
Recently Raised Questions (Updated and Confirmed)
, Cell walls are not typically possessed by . - answer✓
PP✓protozoa
The two major groups of helminths are the and the ✓P
. - answerP ✓ roundworms;
flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
✓P
e. The donor retains a copy of the transferred genes - a n s w e r P ✓ I n v o l v e s the action of
bacteriophage
Which of the following properties is likely to be found in a pioneer colonizer of a biofilm on an artificial
✓P
joint implant? - a n s w e r P ✓ S u r f a c e structures for attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and incubated. After incubation, turbidity
appears throughout, top to bottom, with the greatest turbidty at the very top. This bacterium
would be called a(n) ✓P
. - answerP ✓ f a c u l t a t i ve anaerobe
An organic nutrient that cannot be synthesized by the organism and must be provided is called
a(n) ✓P
. - ans wer P ✓ growth factor
Humans can see objects as small as 0.1 mm. Leeuwenhoek's best microscope could magnify
objects to 300X. Which of the following would be invisible using Leeuwenhoek's microscope? -
Comprehensive Responses for
Recently Raised Questions (Updated and Confirmed)
, Cell walls are not typically possessed by . - answer✓
PP✓protozoa
The two major groups of helminths are the and the ✓P
. - answerP ✓ roundworms;
flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
✓P
e. The donor retains a copy of the transferred genes - a n s w e r P ✓ I n v o l v e s the action of
bacteriophage
Which of the following properties is likely to be found in a pioneer colonizer of a biofilm on an artificial
✓P
joint implant? - a n s w e r P ✓ S u r f a c e structures for attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and incubated. After incubation, turbidity
appears throughout, top to bottom, with the greatest turbidty at the very top. This bacterium
would be called a(n) ✓P
. - answerP ✓ f a c u l t a t i ve anaerobe
An organic nutrient that cannot be synthesized by the organism and must be provided is called
a(n) ✓P
. - ans wer P ✓ growth factor
Humans can see objects as small as 0.1 mm. Leeuwenhoek's best microscope could magnify
objects to 300X. Which of the following would be invisible using Leeuwenhoek's microscope? -
