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Bio 205 > FINAL OLD > Flashcards

FINAL OLD Flashcards

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Biology 101 flashcards
1
Q

One micron is equivelant to how many meters?

A

1x10^-6m

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2
Q

Which of the following is NOT true of bacterial plamsids?

a. They can exist and replicate independently of the chromosome.

b. They may carry genes for drug resistance.

c. They are required for host growth and/or reproduction.

d. They may carry genes that enhance the metabolic capabilities of the bacterium.

A

C

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3
Q

The flagellum is attached to the cell body by a ______ in a prokaryote?

A

Basal body

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4
Q

How are ribosomal subunits usually designated?

A

Based on size

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5
Q

Chemotaxis is when cells with flagella use runs and tumbles to move toward an attractant?

A

TRUE

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6
Q 
Which of the following is not directly used in replication?
A.	DNA
B.	RNA polymerase
C.	Okasaki fragments
D.	Helicase
E.	Superoxide dismutase
A

E. Superoxide dismutase

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7
Q 
In eukaryotic microorganisms where does chemiosmosis occur?
A.	Mitochondrial membrane
B.	cytoplasm
C.	endoplasmic reticulum
D.	nuclear membrane
E.	none of the above
A

A. Mitochondrial membrane

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8
Q 
Which of the following nucleotides are involved in protein synthesis?
A. mRNA
B. tRNA
C. rRNA
D. RNA primer sequence
A

A, B, C

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9
Q
  1. Of the many types of RNA (mRNA, tRNA, rRNA, miRNA, etc) involved in translation, only mRNA and tRNA are translated.
A

FALSE

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10
Q

Tetracyclines

A

Protein synthesis

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11
Q

Quinalones

A

DNA replication

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12
Q

Sulfanomides

A

Folic acid synthesis

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13
Q

Chloramphenicols

A

Protein Synthesis

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14
Q

Penicillin

A

Cell Wall

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15
Q

The flagellum is attached to the cell body of a prokaryote via a____

A

Basal body

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16
Q 
8.	The toxic effects of oxygen metabolism are mitigated by which of the following enzymes in aerobes?
A.	Catalase 
B.	lactase
C.	RNA polymerase
D.	Superoxide dismutase
E.	ATP synthase
A

A & D

17
Q
  1. Cell mediated immunity (CMI) is defined by which of the following characteristics?
    a. The production of IgM and IgG
    b. The production of specific T-cell clones
    c. T-cells presenting antigen
    d. All of the above
A

B T cell clones

18
Q
  1. Which of the following are applications of genetic cloning?
    a. Protein production, alter organism function
    b. Normal immune protection
    c. Complimentarity and reproduction
    d. All of the above
A

A - protein production and alter organism function

19
Q
  1. What following DNA characteristics and/or enzymes are used in a Southern Blot analysis?
    a. complimentarity
    b. restriction endonuclease
    c. heat denaturation
    d. ligase
    e. none of the above
A

A, B, C

Bio 205 (3 decks)

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