Week 7

Question 1

Flamentous fungi are called

Answer 1

molds

Question 2

which is not a characteristic of fungi?

Answer 2

photosynthetic

Question 3

which of the following is the cause of malaria?

Answer 3

Plasmodium

Question 4

during unfavorable growth conditions, many protozoa can convert to a resistant dormant stage called a

Answer 4

cyst

Question 5

protists with contractile vacuoles

Answer 5

use them to expel excess water from the cell

Question 6

viruses have all the following except

Answer 6

metabolism

Question 7

host cells of viruses include

Answer 7

human and other animals, plants and fungi, bacteria, protozoa and algae

Question 8

the core of every virus particle always contains

Answer 8

either DNA or RNA

Question 9

Helical and icosahedral are terms used to describe the shapes of a virus

Answer 9

capsid

Question 10

which of the following is not associated with every virus?

Answer 10

envelope

Question 11

which is incorrect about prophages

Answer 11

cause lysis of host cells

Question 12

the correct sequence of events in viral multiplication is

Answer 12

adsorption, penetration, replication maturation, assembly, release

Question 13

host range is limited by

Answer 13

type of host cell receptors on cell membrane

Question 14

infectious protein particles are called

Answer 14

prions

Question 15

when a virus enters a lysogenic phase, it means

Answer 15

the virus is integrated into the DNA of the host cell and is latent

Question 16

Creutzfeld-Jacob disease is

Answer 16

a spongiform encephalopathy of humans

Question 17

enzymes are

Answer 17

proteins that function as catalysts

Question 18

during aerobic cellular respiration, the final electron acceptor is

Answer 18

oxygen

Question 19

all of the following pertain to glycolysis except

Answer 19

degrades glucose to CO2 and H2O

Question 20

In bacterial cells, the electron transport system is located in the

Answer 20

cell membrane

Question 21

as the electron transport carriers shuttle electrons, they actively pump_____ into the outer membrane compartment setting up a concentration gradient called the proton motive force

Answer 21

hydrogen ions

Question 22

during which of the phases of cellular respiration is the majority of ATP formed?

Answer 22

electron transport

Question 23

what chemical causes death in many eukaryotes because it blocks cytochrome c oxidase?

Answer 23

cyanide

Question 24

which of the following is not true of anaerobic respiration

Answer 24

uses the same final electron acceptors as aerobic respiration

Question 25

the reactions of fermentation function to produce _____ molecules for use in glycolysis

Answer 25

NAD

Question 26

fermentation

Answer 26

requires an organic electron acceptory

Question 27

all of the chemical reactions of the cell are called

Answer 27

metabolism

Question 28

the cell's metabolic reactions involve the participation of _____ that lower the activation energy needed for the initiation of a reaction

Answer 28

enzymes