The genome of an organism contains 30% adenine. Based on this, you would predict that this organism's genome also
contains 30% ____.
a. thymine
b. cytosine
c. each of cytosine and guanine
d. each of thymine and guanine
e. guanine
ANSWER: a
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The salivary amylase gene (AMY1) is present in two diploid copies in chimpanzees. Humans are known to have between 6-15 copies, an adaptation that is thought to be related to the high-starch diet of humans
This difference among humans is an example of A. G banding. B. copy number variation C. a simple translocation. D. a reciprocal translocation.
Which of the following structures is NOT an example of an organ?
a. cartilage b. blood vessels c. the brain d. the heart e. the stomach
Which of the following is a micronutrient needed by plants?
a. hydrogen b. potassium c. phosphorus d. sulfur e. chlorine
Eukaryotic mRNA has a significantly longer half life than its prokaryotic counterpart. How is this
accomplished in eukaryotes? What processes tend to degrade mRNA molecules in both eukaryotes and prokaryotes, and why are these processes needed? What will be an ideal response?