Viruses & Prokaryotes Flashcards
Which of the following is found in ALL viruses?
a) Envelope
b) Capsid
c) Genome
d) Capsomeres
b + c + d
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
b + c
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
c
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
B
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
a
Which process involved receiving short chromosomal DNA from a virus?
a) Transformation
b) Conjugation
c) Transduction
c
The LPS layer in the cell wall is a characteristic of?
a) Archae cells
b) Gram (-) bacteria
c) Gram (+) bacteria
b
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
c
C&C Gram (+) and (-). What is present in Gram (+)?
a) LPS
b) Cytosol
c) Thick peptidoglycan
d) Higher peptidoglycan levels
e) Lower peptidoglycan levels
b + d
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
a + c
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
b + c
SEQ the process of Endosymbiosis.
I) Proteobacterium engulfed
II) Proto-Eukaryote
III) Heterotrophic Eukaryote
IV) cyanobacterium engulfed
II , I , III , IV
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
a + d
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
I , III , IV
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
I , III
Penicillin blocks peptidoglycan synthesis. What type of Bacteria would Penicillin be most effective against?
a) Gram +
b) Gram -
a
A prokaryote moves toward light. What best describes this Prokaryotic action?
a) Taxis
b) + Taxis
c) Phototaxis
c
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
I, III
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
b
What is TRUE of Chemoautotrophs?
a) Gets (E) from Sunlight
b) Aquatic Salt-loving prokaryotes
c) Other Prokaryotes
d) Gets (E) from Inorganic compounds
c + d
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
II , IV , V
What is TRUE of Extremophiles?
I) Domain Archae
II) Prokaryotic Domain
III) Live under Extreme conditions
IV) Can thrive in Moderate conditions
I , III
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
B + C
