
HTH 245 Exam 2 Review
Quiz by maddy vignola
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- Q1
What cell shape is considered to be spherical?
Bacillus
Curved
Spiral
Coccus
30s - Q2
How do you use the Linneal Binomial system naming for bacteria?
Genus Capitalized first , Species lower case second , all italicized
all lower case and italicized
Species capitalized first , Genus lower case second , all italisized
all capitalized and italicized
30s - Q3
What part of the cell is considered selectively permeable?
Cell membrane
Cell Wall
Cell capsule
Cell Envelope
30s - Q4
Short, Straight, Thin, forms a bridge between donor and recipient bacterial cells, for transmission of DNA
Pili
Adhesin
Chemoaxis
Flagella
30s - Q5
what is the correct order of the stages of bacterial growth?
Death, Lag, Log, Stationary
Lag, Log, Stationary, Death
Stationary, Log, Lag, Death
Log, Stationary, Lag, Death
30s - Q6
How many nucleic caddis are present in bacteria, in viruses?
1; DNA
2; DNA or RNA
1; RNA
0
30s - Q7
What is not a phase of viral replication
Isolation
Penetration
Release
Assembly
30s - Q8
What does CPE stand for
Cytopathic Effect
Cytoplasmic Embryo
Cystic Effect
Cythopathic Effort
30s - Q9
What diseases are Negri Bodies involved with?
Flu
Rabies
Covid-19
Scabies
30s - Q10
Antibiotics are effective against both viruses and bacterial infection.
falsetrueTrue or False30s - Q11
What types of RNA is not involved in translation?
pRNA
mRNA
tRNA
rRNA
30s - Q12
An inducible gene is......
gene is “turned off” when a repressor is present
gene always turned on
gene expressed only when an inducer is present
always turned off
30s - Q13
______________ recombination occurs between a donor cell and a recipient (not reproduction), three
Homologous
Horizontal
Unidirectional
Vertical
30s - Q14
What is known as the jumping gene?
Repressed
Inducible
Transposon
Mutagen
30s - Q15
The transcription of DNA to mRNA begins with ___________ and ends with _________
mRNA; tRNA
terminator; promoter
amino; carboxyl
Promoter; terminator
30s