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HTH 245 Exam 2 Review

Quiz by maddy vignola

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21 questions
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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. 

    false
    true
    True or False
    30s
  • 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

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