AP Biology Unit 6 Test with Questions Solved 100% Correct
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Course
AP Biology
Institution
AP Biology
Which word would best describe the operon?
(a) respiration
(b) transport
(c) regulation
(d) nutrition - (c) regulation
What acts as an inducer in the lac operon? - lactose
AP Biology Unit 6 Test with Questions
Solved 100% Correct
Which word would best describe the operon?
(a) respiration
(b) transport
(c) regulation
(d) nutrition - ✔(c) regulation
What acts as an inducer in the lac operon? - ✔lactose
, What is the binding site for RNA polymerase? - ✔promoter
What codes for the repressor? - ✔regulator
What binds at the operator? - ✔repressor
What is mad cow disease caused by? - ✔prions
Given a polynucleotide sequence such as GAATTC, explain what further information you would
need in order to identify which end is the 5' end. - ✔In order to tell which end is the 5′ end,
you need to know which end has a phosphate group on the 5′ carbon (the 5′ end) or which end
has an —OH group on the 3′ carbon (the 3′ end).
Griffith did not expect transformation to occur in his experiment. What results was he
expecting? Explain. - ✔Griffith expected that the mouse injected with the mixture of
heat-killed S cells and living R cells would survive, since neither type of cell alone could kill
the mouse.
What role does base pairing play in the replication of DNA? - ✔Complementary base pairing
ensures that the two daughter molecules are exact copies of the parental molecule. When the
two strands of the parental molecule separate, each serves as a template on which
nucleotides are arranged, by the base-pairing rules, into new complementary strands
What are the functions of the 4 enzymes involved with DNA replication - ✔Helicase-
Unwinds parental double helix strands
Topoisomerase- Relaxes supercoiling in front of the replication fork
DNA Polymerase- requires RNA primers to initiate DNA synthesis; synthesized new strands
of DNA continuously on the leading strand and discontinuously on the lagging strand
DNA ligase- Joins 3′ end of DNA that replaces primer to rest of leading strand and joins
Okazaki fragments of lagging strand
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