Exam (elaborations)
MCB 3020 MIDTERM QUESTIONS AND ANSWERS
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MCB 3020 MIDTERM QUESTIONS AND ANSWERS
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Name: Score:202 Multiple choice questions
Term 1 of 202
microaerophile
electrons go through specimen, for internal 3D structure
grows only if small amounts of O2 are available
used for surfaces and 3D shapes
purines substituted for pyrimidines or vice versa
Term 2 of 202
rRNA
catalytic and structural ribosome components
convert mRNA information to amino acid sequence
strain in which original phenotype is restored
mutation is at the same site as original mutation
,Term 3 of 202
transitions
process of cellular differentiation that results in endospore formation
conical-shaped, gas-filled structures made of two proteins that confer buoyancy
purines substituted for other purines or pyrimidines substituted for other pyrimidines
virally mediated transfer
Term 4 of 202
the net yield of glycolysis is ____
2 ATP, 2 NADH
carbon and nitrogen
transformation
peptidoglycan
Term 5 of 202
the pentose phosphate pathway is important for producing ____
bacteria, archaeans, eukaryl cells, and viruses
formylmethionine, although this may not be the first amino acid in the functional protein
NADH and NAD+, biosynthesis of pentoses and other sugars
when replication forks collide at terminus of replication
Term 6 of 202
transposable elements are found in ____
terminal electron acceptor
bacteria, archaeans, eukaryl cells, and viruses
cofactor-containing proteins, proton motive force
when replication forks collide at terminus of replication
,Term 7 of 202
during replication, ____ can detect base pair mismatch through _____, remove with 3' --> 5'
exonuclease and insert again
two additional CO2 molecules, 3 more NADH, and 1 FADH2
remove the signal sequences from the protein
DNA Pol I and Pol III, double helix distortion
flagella are attached at one or both ends of a cell
Term 8 of 202
when conditions are favorable for growth, it can convert back to a vegetative cell rapidly
through the process of ____
cotranslation
virion
CO2, autotrophs
germination
Term 9 of 202
during bacterial synthesis, the incoming charged tRNAs after the first charged tRNA all initially
bind to the ____
A site, mostly on the 50S subunit
requires cell to cell contact
DNA Pol I and Pol III, double helix distortion
inhibit growth of certain microbes
, Term 10 of 202
gas vesicles
conical-shaped, gas-filled structures made of two proteins that confer buoyancy
transport proteins into or through bacterial and archaeal membranes
conversion of normal cell into tumor cell
water is added to the bond to separate two amino acids
Term 11 of 202
the gram-positive cell wall is susceptible to ____ and contains ____
penicillin, teichoic and lipoteichoic acids
DNA Pol I and Pol III, double helix distortion
NADH and NAD+, biosynthesis of pentoses and other sugars
single-stranded plus-sense RNA viruses (class IV)
Term 12 of 202
a double-stranded DNA bacterial virus that does not always kill its host is a ____
transformation
temperate phage
one base pair
hemagglutinin
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