Question 1

An organism that grows slowly in the cold but has an optimum growth temperature of 32°C is called

Accepted Answer

A)   an extremophile.
B)   a thermophile.
C)   a psychrophile.
D)   a facultative psychrophile.
E)   thermoduric.F) All of the above
G) A) and B)

Question 2

The term chemotroph refers to an organism that

Accepted Answer

A)   uses CO2 for its carbon source.
B)   must obtain organic compounds for its carbon needs.
C)   gets energy from sunlight.
D)   gets energy by oxidizing chemical compounds.
E)   does not need a carbon source.F) C) and D)
G) B) and C)

Question 3

The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called

Accepted Answer

A)   facilitated diffusion.
B)   diffusion.
C)   active transport.
D)   osmosis.
E)   endocytosis.F) B) and E)
G) A) and B)

Question 4

Facilitated diffusion and active transport require a carrier protein to mediate the movement across the pla membrane.

Accepted Answer

A) True 
 B)False

Question 5

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Accepted Answer

A) True 
 B)False

Question 6

Nutrient absorption is mediated by the

Accepted Answer

A)   cell wall.
B)   peptidoglycan layer.
C)   proteins in the periplic space.
D)   cell membrane.
E)   nuclear membrane.F) A) and B)
G) B) and D)

Question 7

When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed

Accepted Answer

A)   pinocytosis.
B)   phagocytosis.
C)   facilitated transport.
D)   facilitated diffusion.
E)   exocytosis.F) B) and D)
G) A) and B)

Question 8

Which of the following is not a major element of a microbial cell?

Accepted Answer

A)   copper
B)   carbon
C)   hydrogen
D)   nitrogen
E)   oxygenF) None of the above
G) A) and C)

Question 9

Which of the following require the cell to use ATP?

Accepted Answer

A)   facilitated diffusion
B)   diffusion
C)   endocytosis
D)   osmosisE) A) and B)
F) A) and C)

Question 10

After binary fission, daughter cells will differ genetically.

Accepted Answer

A) True 
 B)False

Exam 7: Microbial Nutrition, Ecology, and Growth

The term chemotroph refers to an organism that

Correct Answer
verified

When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed

Correct Answer
verified

An organism that grows slowly in the cold but has an optimum growth temperature of 32°C is called

Correct Answer
verified

Nutrient absorption is mediated by the

Correct Answer
verified

The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called

Correct Answer
verified

Which of the following is not a major element of a microbial cell?

Correct Answer
verified

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Correct Answer
verified

Which of the following require the cell to use ATP?

Correct Answer
verified

Facilitated diffusion and active transport require a carrier protein to mediate the movement across the pla membrane.

Correct Answer
verified

After binary fission, daughter cells will differ genetically.

Correct Answer
verified

Exam 7: Microbial Nutrition, Ecology, and Growth

The term chemotroph refers to an organism that

Correct AnswerverifiedShow Answer

When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed

Correct AnswerverifiedShow Answer

An organism that grows slowly in the cold but has an optimum growth temperature of 32°C is called

Correct AnswerverifiedShow Answer

Nutrient absorption is mediated by the

Correct AnswerverifiedShow Answer

The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called

Correct AnswerverifiedShow Answer

Which of the following is not a major element of a microbial cell?

Correct AnswerverifiedShow Answer

Whether an organism is an autotroph or heterotroph depends on its source of nitrogen.

Correct AnswerverifiedShow Answer

Which of the following require the cell to use ATP?

Correct AnswerverifiedShow Answer

Facilitated diffusion and active transport require a carrier protein to mediate the movement across the pla membrane.

Correct AnswerverifiedShow Answer

After binary fission, daughter cells will differ genetically.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified