Question 1

When microbes share a habitat, with each providing a necessary nutrient for the other, the relationship is called

Accepted Answer

A)  syntrophy.
B)  satellitism.
C)  antibiosis.
D)  antagonism.
E)  autotrophy.F) A) and E)
G) A) and C)

Question 2

When microbes in close nutritional relationship and one benefits but the other is not harmed, it is called

Accepted Answer

A)  symbiosis.
B)  satellitism.
C)  commensalism.
D)  mutualism.
E)  synergism.F) C) and D)
G) B) and E)

Question 3

Which of the following require the cell to use ATP?

Accepted Answer

A)  facilitated diffusion
B)  diffusion
C)  endocytosis
D)  osmosisE) All of the above
F) A) and B)

Question 4

The term heterotroph 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 inorganic compounds.
E)  does not need a carbon source.F) B) and E)
G) All of the above

Question 5

Which of the following is the largest component of the dry weight of a cell?

Accepted Answer

A)  inorganic compounds
B)  minerals
C)  water
D)  organic compounds
E)  saltsF) A) and E)
G) B) and C)

Question 6

An organic nutrient that cannot be synthesized by the organism and must be provided is called a/an

Accepted Answer

A)  element.
B)  macronutrient.
C)  water.
D)  growth factor.
E)  trace element.F) None of the above
G) All of the above

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 C)
G) B) and D)

Question 8

What compound has the highest concentration in a cell?

Accepted Answer

A)  CO2
B)  CH4
C)  H2O
D)  glucose
E)  NH3F) A) and D)
G) None of the above

Question 9

Inorganic nitrogen must be converted to ammonia to be used by a cell.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following terms refers to microorganisms that live in or on the body and cause harm?

Accepted Answer

A)  mesophiles
B)  thermophiles
C)  commensals
D)  pathogens
E)  halophilesF) B) and E)
G) C) and E)

Exam 7: Microbial Nutrition, Ecology, and Growth

When microbes in close nutritional relationship and one benefits but the other is not harmed, it is called

Correct Answer
verified

The term heterotroph refers to an organism that

Correct Answer
verified

Inorganic nitrogen must be converted to ammonia to be used by a cell.

Correct Answer
verified

Which of the following require the cell to use ATP?

Correct Answer
verified

An organic nutrient that cannot be synthesized by the organism and must be provided is called a/an

Correct Answer
verified

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

Correct Answer
verified

When microbes share a habitat, with each providing a necessary nutrient for the other, the relationship is called

Correct Answer
verified

Which of the following terms refers to microorganisms that live in or on the body and cause harm?

Correct Answer
verified

What compound has the highest concentration in a cell?

Correct Answer
verified

Which of the following is the largest component of the dry weight of a cell?

Correct Answer
verified

Exam 7: Microbial Nutrition, Ecology, and Growth

When microbes in close nutritional relationship and one benefits but the other is not harmed, it is called

Correct AnswerverifiedShow Answer

The term heterotroph refers to an organism that

Correct AnswerverifiedShow Answer

Inorganic nitrogen must be converted to ammonia to be used by a cell.

Correct AnswerverifiedShow Answer

Which of the following require the cell to use ATP?

Correct AnswerverifiedShow Answer

An organic nutrient that cannot be synthesized by the organism and must be provided is called a/an

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

When microbes share a habitat, with each providing a necessary nutrient for the other, the relationship is called

Correct AnswerverifiedShow Answer

Which of the following terms refers to microorganisms that live in or on the body and cause harm?

Correct AnswerverifiedShow Answer

What compound has the highest concentration in a cell?

Correct AnswerverifiedShow Answer

Which of the following is the largest component of the dry weight of a cell?

Correct AnswerverifiedShow Answer

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