Microorganisms Questions & Answers - Page 7

31.

Most microbial structures and enzymes are composed of

A.

lipids

B.

proteins

C.

carbohydrates

D.

lipids and carbohydrates

Correct answer is B

No explanation has been provided for this answer.

32.

The foundation for the germ theory of disease was set down by

A.

Robert Koch

B.

Ronald Ross

C.

Louis Pasteur

D.

Walter Reed

Correct answer is C

No explanation has been provided for this answer.

33.

The three domain version of life on earth is based on the

A.

nucleic acid sequence data

B.

morphological traits

C.

metabolic traits

D.

characteristics of the cell wall

Correct answer is A

No explanation has been provided for this answer.

34.

Which of the following best represents the hierarchy of levels of biological classification?

A.

Phylum, kingdom, class, order, genus, species, family

B.

Kingdom, phylum, class, order, family, genus, species

C.

Kingdom, phylum, family, class, order, genus, species

D.

Class, order, kingdom, phylum, family, genus, species

Correct answer is B

No explanation has been provided for this answer.

35.

Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that

A.

eukaryotes evolved from bacteria

B.

eukaryotes evolved from archaea

C.

oxygenic photosynthesis first evolved in eukaryotes

D.

cyanobacteria arose from chloroplasts which escaped from plant cells

Correct answer is B

No explanation has been provided for this answer.