Question 21
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Complete the following sentence: "Meiosis results in genetic variation between gametes from the same individual due to genetic recombination in _________ and independent assortment of homologous chromosomes in _________."
Select one:
a. prophase I, metaphase II
b. metaphase I, metaphase II
c. prophase I, metaphase I
d. metaphase II, prophase I
e. prophase II, metaphase II
Question 17
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Which of the following can be described as 'a sequence that can be several thousand base pairs upstream or downstream of a eukaryotic promoter and which increases gene expression as much as 200-fold.â ?
Select one:
a. CAAT box
b. enhancer
c. insulator
d. TATA box
Question 14
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Which enzyme is incorrectly matched to its function?
Select one:
a. RNA polymerase -- transcription
b. aminoacyl-tRNA synthetase -- attaches an amino acid to a tRNA
c. peptidyltransferase -- translation
d. DNA ligase -- joins Okazaki fragments
e. All of the above are paired correctly.
Question 10
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Question text
Enzymes catalyse biochemical reactions by
Select one:
a. lowering the potential energy of the products
b. separating inhibitors from products
c. forming a complex with the products
d. lowering the activation energy of the reaction
e. providing energy to the reaction
Question 21
Not yet answered
Marked out of 1.00
Not flaggedFlag question
Question text
Complete the following sentence: "Meiosis results in genetic variation between gametes from the same individual due to genetic recombination in _________ and independent assortment of homologous chromosomes in _________."
Select one:
a. prophase I, metaphase II
b. metaphase I, metaphase II
c. prophase I, metaphase I
d. metaphase II, prophase I
e. prophase II, metaphase II
Question 17
Not yet answered
Marked out of 1.00
Not flaggedFlag question
Question text
Which of the following can be described as 'a sequence that can be several thousand base pairs upstream or downstream of a eukaryotic promoter and which increases gene expression as much as 200-fold.â ?
Select one:
a. CAAT box
b. enhancer
c. insulator
d. TATA box
Question 14
Not yet answered
Marked out of 1.00
Not flaggedFlag question
Question text
Which enzyme is incorrectly matched to its function?
Select one:
a. RNA polymerase -- transcription
b. aminoacyl-tRNA synthetase -- attaches an amino acid to a tRNA
c. peptidyltransferase -- translation
d. DNA ligase -- joins Okazaki fragments
e. All of the above are paired correctly.
Question 10
Not yet answered
Marked out of 1.00
Not flaggedFlag question
Question text
Enzymes catalyse biochemical reactions by
Select one:
a. lowering the potential energy of the products
b. separating inhibitors from products
c. forming a complex with the products
d. lowering the activation energy of the reaction
e. providing energy to the reaction
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