BIO 181 EXAM 2 QUESTIONS WITH CORRECT ANSWERS

In the lecture we discussed normal flora, this refers to:


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bacteria and fungi on the surface of the body that compete against
pathogens




In DNA, what does the nucleotide labeled as A pair with?


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Thymine

,There are two types of protein synthesis in eukaryotic cells. These two types can be
distinguished because the polyribosome is either _____or ______.


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Free; membrane-bound




The double helix of DNA is wrapped about 1¾ times around which of these
components?
a. Helicase
b. DNA polymerase III
c. DNA polymerase I
d. Nucleosome
e. DNA ligase


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d. Nucleosome




Draw the sugar in DNA and label the carbons as discussed in the lecture. Then circle
the carbon that is different in RNA.


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, 2'




Which strand is produced more rapidly?
a. Okazaki fragment
b. Lagging strand
c. Leading strand
d. 3'
e. 5'


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c. Leading strand




The most abundant protein in the world is called _____________.


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rubiscos




What is bile made from? And how does oatmeal reduce cholesterol levels?


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