Microorganisms Questions & Answers - Page 9

41.

Primary differences between cilia and flagella are

A.

arrangement of microtubules

B.

length and location of basal bodies

C.

how the microtubules are fused to each other

D.

number, length and direction of force

Correct answer is D

No explanation has been provided for this answer.

42.

The membranes of which domains are chemically the most similar?

A.

Archaea and Bacteria

B.

Bacteria and Eukarya

C.

Eukarya and Archaea

D.

membranes of all three domains are chemically identical

Correct answer is B

No explanation has been provided for this answer.

43.

The five-kingdom system of classification was set up by

A.

Louis Pasteur

B.

Robert Whittaker

C.

Robert Koch

D.

Masaki Ogata

Correct answer is B

No explanation has been provided for this answer.

44.

Cell theory includes all of the following except

A.

all organisms are composed of one or more cells

B.

the cell is the most primitive form of life

C.

the cell is the structural unit of life

D.

cells arise by division of preexisting cells

Correct answer is B

No explanation has been provided for this answer.

45.

A characteristic of protein synthesis in both the archaea and eukarya is

A.

transcription and translation are coupled

B.

translation is inhibited by diphtheria toxin

C.

proteins are synthesized from D-, rather than L-, isomers of amino acids

D.

the initiator tRNA is charged with N-formyl-methionine

Correct answer is C

No explanation has been provided for this answer.