6-9

Question 1

T/F - Bacteria that acquire the genes that code for an MDR pump become multidrug resistant.

Answer 1

True

Question 2

T/F - A “superinfection” is an infection that cannot be cured.

Answer 2

False

Question 3

T/F - Rapid freezing using liquid nitrogen is an excellent method of killing microbes.

Answer 3

False

Question 4

T/F - The basic structure of a cell membrane is a lipid bilayer.

Answer 4

True

Question 5

T/F - The waxes in the cell walls of mycobacterium tuberculosis causes this organism to be acid-fast.

Answer 5

True

Question 6

T/F - The majority of the energy produced in aerobic respiration is by the Krebs cycle.

Answer 6

False

Question 7

T/F - Microbes can be killed by direct exposure to ultraviolet light.

Answer 7

True

Question 8

T/F - A bacterial cell that receives an R-factor becomes multidrug resistant.

Answer 8

True

Question 9

T/F - Mutations are always harmful.

Answer 9

False

Question 10

T/F - Lyophilization is an excellent method of killing microbes.

Answer 10

False

Question 11

T/F - The biosynthesis of polysaccharides, polypeptides, and nucleic acids is an example of a catabolic reaction.

Answer 11

False

Question 12

T/F - Oxidation-reduction reactions are paired reactions that involve the transfer of electrons.

Answer 12

True

Question 13

T/F - Polysaccharides, polypeptides, and nucleic acids are all examples of polymers.

Answer 13

True

Question 14

T/F - The goal of disinfection is to kill all microbes.

Answer 14

False

Question 15

T/F - The peptide bonds that hold amino acids together in protein molecules are examples of covalent bonds.

Answer 15

True

Question 16

T/F - Bacteria develop resistance to a particular antimicrobial agent as a result from a chromosomal mutation or the acquisition of a new gene.

Answer 16

True

Question 17

T/F - In glycolysis a 6-carbon glucose molecule is broken down into two 3-carbon molecules of pyruvic acid instead.

Answer 17

True

Question 18

T/F - Creating a disaccharide from 2 monosaccharides by dehydration synthesis is an example of an anabolic reaction.

Answer 18

True

Question 19

T/F - Pasteurization is a method of sterilizing liquids.

Answer 19

False

Question 20

T/F - Aerobic respiration is a more efficient method of breaking down glucose than is fermentation.

Answer 20

True

Question 21

T/F - Using two different antimicrobial agents to treat a patient’s infection is referred to as an antagonism if the result that is achieved is much better than that which could have been achieved using only one of the drugs.

Answer 21

False

Question 22

T/F - Archaea that live in or near hydrothermal vents at the bottom of the ocean are halophilic, piezophilic, and thermophilic.

Answer 22

True

Question 23

T/F - DNA polymerase is the only enzyme required for DNA replications.

Answer 23

False

Question 24

T/F - Virulent bacteriophages are responsible for lysogenic conversion.

Answer 24

False

Question 25

T/F - It is not possible to culture protozoa in the laboratory.

Answer 25

False

Question 26

T/F - A DNA nucleotide consists of three parts: a nitrogenous base, ribose, and a phosphate group.

Answer 26

False

Question 27

T/F - During translation, amino acids are “activated” by attaching to an appropriate rRNA molecule.

Answer 27

False

Question 28

T/F - Administering an antibiotic to a patient to treat one type of infections disease could actually cause other types of infectious diseases in that patient.

Answer 28

True

Question 29

T/F - Anabolic reactions are a cell’s major source of energy.

Answer 29

False

Question 30

T/F - A bacterial cell would swell and burst if placed in an extremely hypertonic solution.

Answer 30

False

Question 31

T/F - Strains of staphylococcus aureus known as MRSA are resistant to methicillin, but are susceptible to most other antibacterial agents.

Answer 31

False

Question 32

T/F - In an autoclave, microbes are killed by ethylene oxide.

Answer 32

False

Question 33

T/F - Bacteria can become drug-resistant as a result of transduction, transformation, or conjugation.

Answer 33

True

Question 34

T/F - Genes that are expressed only when needed are called constitutive genes.

Answer 34

False

Question 35

T/F - The covalent bonds that hold monosaccharides together in a polysaccharide are called glycosidic bonds.

Answer 35

True

Question 36

T/F - Antiseptic technique is a type of aseptic technique.

Answer 36

True

Question 37

T/F - All antimicrobial agents are antibiotics.

Answer 37

False

Question 38

T/F - Breaking a disaccharide down into its two monosaccharide components is an example of a hydrolysis reaction.

Answer 38

True

Question 39

T/F - In double-stranded DNA molecules, the two strand are held together by hydrogen bonds.

Answer 39

True

Question 40

T/F - Because he discovered penicillin, Alexander Fleming is called the “Father of Chemotherapy.”

Answer 40

False