EXAM 3 3
(Anatomy & Physiology I)
Questions w/ Correct Answers
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,Question 1
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Golden rice is golden in color because it is rich in
Select one:
a. chromium picolinate
b. vitamin A
c. vitamin C
d. beta carotene
Question 2
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Which of the following statements about DNA technology is false?
Select one:
a. DNA technology is now used to mass-produce human insulin
b. DNA technology is now used to create cells that can identify and kill cancer cells
c. DNA technology is now used to mass-produce human growth hormone
d. DNA technology is now used to produce vaccines that are harmless mutants of a pathogen
Question 3
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What is the smallest number of cells needed to perform a successful DNA profile?
Select one:
a. 1
b. 200
c. 1,000
d. 20
Question 4
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Gel electrophoresis sorts DNA molecules on the basis of their
Select one:
a. solubility in the gel
b. size
c. nucleotide sequence
d. ability to bind to mRNA
Question 5
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Restriction enzymes specifically recognize and cut short sequences of DNA called
Select one:
a. short terminal repeats
b. sticky ends
c. restriction sites
d. promoter sequences
Question 6
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The only recombinant cells that can correctly attach sugars to proteins to form glycoprotein products
are
Select one:
a. algal cells
b. E. coli cells
c. mammalian cells
d. yeast cells
Question 7
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Approximately what percentage of human DNA is noncoding?
Select one:
a. 79%