exam 1

Question 1

Which of the following is found in all biological membranes?

Answer 1

phospholipids

Question 2

Microbes that cause disease are termed.

Answer 2

pathogen

Question 3

Which of the following taxonomic groups has the largest number of species?

Answer 3

bacteria

Question 4

Roughly what percentage of cells in and on the human body are microbial?

Answer 4

57%

Question 5

Which of the following is unique to acid fast bacteria?

Answer 5

mycotic acids

Question 6

A bacterial cellular shape plus arrangement for rod shaped cells arranged in linear chain.

Answer 6

streptobacillus

Question 7

Which of the following is most consistent with a bacterial cell that exhibits positive chemotaxis?

Answer 7

Shorter tumbles and longer runs

Question 8

Which of the following best describes a Gram positive bacterial cell?

Answer 8

cytoplasmic membrane with relatively thick cell wall present

Question 9

Which of the following cellular structures is most likely to contribute to the pathogenicity (ability to survive in a human host and cause disease) of a bacterial cell?

Answer 9

capsule layer

Question 10

If flagella are located on all parts of a bacillus shaped bacterial cell, what the appropriate term to describe that flagellar arrangement?

Answer 10

peritrichous