Question 1

Explain the differences between uniporters, symporters, and antiporters.

Accepted Answer

Answers should highl...

Question 2

Small acid- soluble proteins (SASPs) are found in high numbers within the core of_______, which help to protect DNA from_______ . They also serve as a(n)_______source during outgrowth.

Accepted Answer

endospores / desicca...

Question 3

Compare and contrast a capsule and a slime layer in terms of composition, organization, and function.

Accepted Answer

The answer of Compare and contrast a capsule and a...

Question 4

The proton motive force helps drive cellular functions that require energy by maintaining a positively charged side of the cell and the other negatively charged.

Accepted Answer

A) True 
 B)False

Question 5

Which statement is TRUE?

Accepted Answer

A)   The phosphotransferase system has nothing to do with group translocation.
B)   The phosphotransferase system is synonymous with group translocation.
C)   The phosphotransferase system is a type of group translocation.
D)   Group translocation is a part of the phosphotransferase system.E) None of the above
F) All of the above

Question 6

A phototrophic bacterium swims outside the illuminated field of view of the microscope, reverses direction, and scurries back into the lighted area. This is an example of_______.

Accepted Answer

The answer of A phototrophic bacterium swims outside the illuminated...

Question 7

Some membrane proteins are involved in bioenergetic reactions, while others are involved in membrane transport.

Accepted Answer

A) True 
 B)False

Question 8

Carrier- mediated transport is necessary when

Accepted Answer

A)   the level of nutrients in nature is very low.
B)   diffusion will not allow adequate amounts of a substance to enter the cell.
C)   movement into the cell is against a concentration gradient.
D)   All of the above are true.E) B) and C)
F) C) and D)

Question 9

The tetraether molecule within the membrane structure of the _______yields a lipid_______ .

Accepted Answer

A)   Archaea / bilayer
B)   Bacteria / monolayer
C)   Archaea / monolayer
D)   Bacteria / bilayerE) B) and C)
F) A) and D)

Question 10

A major function of prokaryotic gas vesicles is

Accepted Answer

A)   to keep the cell's organelles separated during flagellar motion.
B)   to serve as a reservoir for oxygen and carbon dioxide.
C)   to confer buoyancy on cells by decreasing their density.
D)   none of the above.E) B) and C)
F) C) and D)

Question 11

Although the inner leaflet of the gram- negative outer membrane contains phospholipids, the outer leaflet of the outer membrane contains

Accepted Answer

A)   lipopolysaccharide (LPS) .
B)   pseudopeptidoglycan.
C)   poly- fi- hydroxybutyric acid (PH
B)  .
D)   lipoteichoic acids.E) All of the above
F) B) and C)

Question 12

Bacteria with appendages

Accepted Answer

A)   have filaments that are commonly called appendages.
B)   have the basic characteristics of eukaryotic cells.
C)   possess tubular or stalk- like extensions of their cells.
D)   do not exist.E) A) and D)
F) None of the above

Question 13

Glycogen granules

Accepted Answer

A)   cannot be detected by light microscopy, even if iodine is added.
B)   function as storage depots for carbon and energy.
C)   are derived directly from either PHB or PHA.
D)   None of the above applies to glycogen granules.E) A) and B)
F) A) and C)

Question 14

Describe the growth of a flagellum.

Accepted Answer

The order of synthesis and formation sho...

Question 15

Hydrolytic enzymes function in the

Accepted Answer

A)   chemotactic response, particularly in gram- negative Bacteria.
B)   regeneration of the periplasm.
C)   transport of substrates within the cell.
D)   initial degradation of nutrients.E) B) and C)
F) A) and D)

Question 16

In gram- positive Bacteria, the cell wall may be up to _______peptidoglycan.

Accepted Answer

A)   72%
B)   25%
C)   90%
D)   48%E) A) and D)
F) All of the above

Question 17

The cytoplasmic membrane could best be described as

Accepted Answer

A)   a passive conduit for intracellular transport.
B)   an impermeable barrier.
C)   a highly selective permeability barrier.
D)   slightly permeable to water but impermeable to metabolic solutes.E) All of the above
F) C) and D)

Question 18

Twitching motility is an unusual form of motility in some bacteria that is a result of a class of surface structures known as _______.

Accepted Answer

The answer of Twitching motility is an unusual form of...

Question 19

Aquaporins are

Accepted Answer

A)   molecules that prevent water from crossing a membrane.
B)   cations bound to water molecules.
C)   water transport proteins.
D)   enzymes involved in the generation of water within cells.E) All of the above
F) C) and D)

Question 20

The peptide interbridge crosslinking is found ONLY in the cell walls of _______Bacteria.

Accepted Answer

The answer of The peptide interbridge crosslinking is found ONLY...

Exam 3: Cell Structure and Function in Bacteria and Archaea

The cytoplasmic membrane could best be described as

Correct AnswerverifiedShow Answer

Aquaporins are

Correct AnswerverifiedShow Answer

In gram- positive Bacteria, the cell wall may be up to _______peptidoglycan.

Correct AnswerverifiedShow Answer

Although the inner leaflet of the gram- negative outer membrane contains phospholipids, the outer leaflet of the outer membrane contains

Correct AnswerverifiedShow Answer

Bacteria with appendages

Correct AnswerverifiedShow Answer

Small acid- soluble proteins (SASPs) are found in high numbers within the core of_______, which help to protect DNA from_______ . They also serve as a(n)_______source during outgrowth.

Correct Answerverifiedendospores / desicca...View AnswerShow Answer

A phototrophic bacterium swims outside the illuminated field of view of the microscope, reverses direction, and scurries back into the lighted area. This is an example of_______.

Correct AnswerverifiedShow Answer

Describe the growth of a flagellum.

Correct AnswerverifiedThe order of synthesis and formation sho...View AnswerShow Answer

Hydrolytic enzymes function in the

Correct AnswerverifiedShow Answer

Glycogen granules

Correct AnswerverifiedShow Answer

The tetraether molecule within the membrane structure of the _______yields a lipid_______ .

Correct AnswerverifiedShow Answer

Compare and contrast a capsule and a slime layer in terms of composition, organization, and function.

Correct AnswerverifiedShow Answer

Carrier- mediated transport is necessary when

Correct AnswerverifiedShow Answer

Which statement is TRUE?

Correct AnswerverifiedShow Answer

Some membrane proteins are involved in bioenergetic reactions, while others are involved in membrane transport.

Correct AnswerverifiedShow Answer

Twitching motility is an unusual form of motility in some bacteria that is a result of a class of surface structures known as _______.

Correct AnswerverifiedShow Answer

The peptide interbridge crosslinking is found ONLY in the cell walls of _______Bacteria.

Correct AnswerverifiedShow Answer

The proton motive force helps drive cellular functions that require energy by maintaining a positively charged side of the cell and the other negatively charged.

Correct AnswerverifiedShow Answer

Explain the differences between uniporters, symporters, and antiporters.

Correct AnswerverifiedAnswers should highl...View AnswerShow Answer

A major function of prokaryotic gas vesicles is

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Small acid- soluble proteins (SASPs) are found in high numbers within the core of___, which help to protect DNA from_ . They also serve as a(n)_____source during outgrowth.

Correct Answer
verified
endospores / desicca...
View Answer

Correct Answer
verified

Correct Answer
verified
The order of synthesis and formation sho...
View Answer

Correct Answer
verified

Correct Answer
verified

The tetraether molecule within the membrane structure of the _yields a lipid_ .

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
Answers should highl...
View Answer

Correct Answer
verified