Figure 6.1, which line best depicts a facultative anaerobe in the absence of O2?

A

B

C

b

In Figure 6.1, which line best depicts an obligate anaerobe in the presence of O2?

A

B

B

c

In Figure 6.1, which line shows the growth of an obligate aerobe incubated anaerobically?

A

B

C

c

In Figure 6.1, which line best illustrates the growth of a facultative anaerobe incubated aerobically?

A

B

C

a

In Figure 6.1, which line best depicts a psychrotroph incubated at 0°C?

A

B

C

c

If cells are grown in media containing amino acids labeled with radioactive nitrogen (15N), most of the radioactivity will be found in the cells'

DNA

proteins

DNA and proteins.

DNA and phospholipids

. phospholipids

DNA

proteins

DNA and proteins.

DNA and phospholipids

. phospholipids

Which of the following elements is NOT correctly matched with its cellular function?
sulfur – used for synthesis of thiamin and biotin

phosphorus – used for production of carbohydrates.

phosphorus – incorporated into nucleic acids magnesium and p

otassium – required as cofactors for enzymes

nitrogen – needed for amino acid synthesis

phosphorus – used for production of carbohydrates.