Disulfide bonds are formed _____________
a. between R-groups
b. between different regions of the backbone
c. between an R-group and the backbone
d. all of the above
a
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Which of these hydrocarbons has a double bond in its structure?
a. C3H8 b. C2H6 c. CH4 d. C2H4 e. C2H2
A brown-eyed couple heterozygous for eye color are planning on having two children. What is the
probability that both children will have blue eyes, assuming brown eyes is dominant and blue eyes is recessive? a. 0 b. 1/32 c. 1/16 d. 1/4 e. 1/2
The major function of the protonephridia in the flatworm is to:
a. conserve water. b. conserve salts. c. eliminate waste materials such as ammonia and urea. d. eliminate excess water. e. regulate the pH of the gastrovascular cavity.
The most important applications of this technology involves the insertion of genes the make a crop plant
A. resistant to herbicides. B. generate more cells. C. produce medicines. D. produce alcohol for fuel.