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MCB 2010 Final Exam Review
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- NUR 240 EXAM 2 Practice Questions.
MCB 2010 Final Exam Review
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MCB 2010 Final Exam ReviewA ______________ is an organism that grows best at 37C?
a) Psychorophile
b) Thermophile
c) Mesophile
d) Psychrotroph
e) Hyperthermophile - ANS-c) Mesophile
A gain of electrons is often referred to as:
a) Oxidation
b) Reduction
c) Chlorination
d) Electrocution
e) Peroxidation - ANS-b) Reduction
A parasitic worm may also be referred to as a:
a) Bacterium
b) Fungus
c) Helminth
d) Virus
e) Yeast - ANS-C) Helminth
A person who gets shingles had what other infection previously?
a) Measles
b) Mumps
c) Rubella
d) West Nile Virus
e) Chicken Pox - ANS-e) Chicken Pox
A transposon is often referred to as a:
a) Short segment of RNA
b) A jumping gene
c) A small circular piece of DNA
d) A recessive trait
3) A dominant trait - ANS-b) A jumping gene
An enzyme that covalently bonds nucleotide sequences (seals fragments together) in
DNA is:
, a) Transposase
b) RNA polymerase
c) DNA polymerase
d) DNA ligase
e) Restriction enzyme - ANS-d) DNA ligase
Antibodies that can bind to large parasites are:
a) IgG
b) IgM
c) IgA
d) IgD
e) IgE - ANS-e) IgE
Archaea differ from bacteria in that Arachaea:
a) Lack nuclei
b) Lack peptidoglycan
c) Use organic compounds for food
d) Reproduce by binary fission
e) Are prokaryotic - ANS-b) Lack peptidoglycan
By which of the following mechanisms can a cell transport a substance from a lower to a
higher concentration?
a) Assisted Transport
b) Facilitated diffusion
c) Simple diffusion
d) Extracellular enzymes
e) Active Transport - ANS-e) Active Transport
DNA is constructed of
a) Two strands of DNA running antiparallel
b) Two strands of DNA running parallel
c) Nucleotides bonded A-C & T-G
d) The bases A, U, G, & C
e) Amino acids - ANS-a) Two strands of DNA running antiparallel
Fimbriae:
a) Are composed of pilin
b) Are composed of flagellin
c) Are used for motility
d) Are used to transfer DNA
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