Given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. (the * indicates the centromere)
before A B C D * E F G H
after A C D * E F G H
A. Terminal deletion
B. Interstitial deletion
C. Inversion
D. Gene duplication
B
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Molecular chaperones are proteins that mediate the folding process of:
a. other proteins. b. amino acids. c. lipids. d. DNA. e. sugars.
If tyrosine and isoleucine undergo condensation, where does the new bond form?
a. Between carbon of the R group and the nitrogen of the amino group b. Between oxygen of the R group and the hydrogen of the amino group c. Between carbon of the carboxyl group and the hydrogen of the R group d. Between carbon of the carboxyl group and the hydrogen of the amino group e. Between carbon of the carboxyl group and the nitrogen of the amino group
The buildup of a toxin in an organism’s body is called biological magnification
____________________ Indicate whether the statement is true or false.
In the accompanying figure, the structure responsible for photosynthesis, storage, and support is labeled as:
a. 1
b. 2
c. 3
d. 4
e. 5