Viruses & Prokaryotes

Question 1

Which of the following is found in ALL viruses?

a) Envelope
b) Capsid
c) Genome
d) Capsomeres

Answer 1

b + c + d

Question 2

Which are TRUE of the Lysogenic cycle and NOT for the Lytic cycle?

a) Phage DNA is replicated
b) Phage DNA is incorporated
c) Cell divides with altered DNA
d) Cell lyses with altered DNA

Answer 2

b + c

Question 3

Which BEST describes a prophage?

a) A virus that infects both bacteria and human cells
b) It is part of the Lytic cycle
c) Phage DNA that is fused into the host cell’s genome

Answer 3

c

Question 4

The process of a Prokaryote taking a random DNA from the environment and fusing it to its own can be classified as?

a) Transduction
b) Transformation
c) Conjugation

Answer 4

B

Question 5

The process of a Prokaryote using direct contact through a Pilus to exchange genetic material is seen as what?

a) Conjugation
b) Transduction
c) Transformation

Answer 5

a

Question 6

Which process involved receiving short chromosomal DNA from a virus?

a) Transformation
b) Conjugation
c) Transduction

Answer 6

c

Question 7

The LPS layer in the cell wall is a characteristic of?

a) Archae cells
b) Gram (-) bacteria
c) Gram (+) bacteria

Answer 7

b

Question 8

Analysis of the cell wall of a bacteria shows high phospholipids and NO carbohydrates. When you Gram stain the bacteria, hypothesize what color will most likely result.

a) Pink
b) Peach
c) Purple

Answer 8

c

Question 9

C&C Gram (+) and (-). What is present in Gram (+)?

a) LPS
b) Cytosol
c) Thick peptidoglycan
d) Higher peptidoglycan levels
e) Lower peptidoglycan levels

Answer 9

b + d

Question 10

What is TRUE of Photoheterotrophs

a) Absorbs light (E) for energy
b) Are Protists
c) Are aquatic salt prokaryotes
d) Get their Carbon source from CO2

Answer 10

a + c

Question 11

What is TRUE of Chemoautotrophs?

a) Absorbs light (E) for energy
b) Takes in NH3 or Fe for energy
c) Types of Prokaryotes
d) Aquatic salt prokaryotes

Answer 11

b + c

Question 12

SEQ the process of Endosymbiosis.

I) Proteobacterium engulfed
II) Proto-Eukaryote
III) Heterotrophic Eukaryote
IV) cyanobacterium engulfed

Answer 12

II , I , III , IV

Question 13

What is TRUE of Secondary Endosymbiosis and Chlorarachniophytes (algae)?

a) Hetero-Eukaryote engulfs smaller Eukaryote that has done primary endosymbiosis
b) Small Heterotrophic Eukaryote contained a Plastid
c) Hetero-Eukaryote engulfs a cyanobacterium
d) Plastid formed

Answer 13

a + d

Question 14

Which of the following is TRUE of a phage that can perform the Lytic & Lysogenic cycle?

I) Is a Bacteriophage
II) Independent of environmental conditions
III) Is a Temperate phage
IV) Dependent of environmental conditions

Answer 14

I , III , IV

Question 15

Which of the following is FALSE regarding the Vertical Transmission?

I) Example of the Lytic Cycle
II) Prophage is formed
III) Only done by Virulent Phages
IV) Integration through multiple generations

Answer 15

I , III

Question 16

Penicillin blocks peptidoglycan synthesis. What type of Bacteria would Penicillin be most effective against?

a) Gram +
b) Gram -

Answer 16

a

Question 17

A prokaryote moves toward light. What best describes this Prokaryotic action?

a) Taxis
b) + Taxis
c) Phototaxis

Answer 17

c

Question 18

Which of the following is TRUE of an (F) factor in the Genetic Recombination process of Prokaryotes?

I) Cell to cell contact
II) F- gives genetic material
III) In Plasmid of cell
IV) F- cell produces sex pillus

Answer 18

I, III

Question 19

What is NOT true of Photoautotrophs?

a) It Can be an Algae
b) Gather (E) from Inorganic compounds
c) Creates organic compounds
d) Convert CO2 to Food source

Answer 19

b

Question 20

What is TRUE of Chemoautotrophs?

a) Gets (E) from Sunlight
b) Aquatic Salt-loving prokaryotes
c) Other Prokaryotes
d) Gets (E) from Inorganic compounds

Answer 20

c + d

Question 21

Which of the following are TRUE of Facultative Aerobes?

I) Die in O2 rich environments
II) Capble of using O2
III) Fermentation process primary source to generate ATP
IV) Capable of Fermentation process
V) Capable of Anaerobic respiration

Answer 21

II , IV , V

Question 22

What is TRUE of Extremophiles?

I) Domain Archae
II) Prokaryotic Domain
III) Live under Extreme conditions
IV) Can thrive in Moderate conditions

Answer 22

I , III

Question 23

Which of the following is NOT true of Prokaryotic Characteristics

a) Plasma Membrane folds inward
b) No synthesis of enzymes
c) Composed of peptidoglycan
d) LPS is the outer layer of one of the Gram cells

Answer 23

B + C