In various experiments that recreated conditions on the early Earth, molecules such as amino acids,
glucose and ribose were produced from
a. clay.
b. ether.
c. formaldehyde.
d. alcohols.
e. ATP.
C
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Huntington's disease is governed by autosomal-dominant inheritance. What is the likelihood that a person who has one heterozygous-affected parent and one normal parent will develop the disease?
a. 100% (certain) b. 50% c. 0% (impossible) d. 75%
Bacteriophages are:a
viruses that infect bacteria. b. plasmids that infect bacteria. c. bacteria that infect other bacteria. d. enzymes that destroy bacteria. e. recombinant organisms.
For translation to take place, which of the following would NOT be required to be present?
a. tRNA-amino acid complex. b. ribosome. c. mRNA d. DNA e. rRNA.
The reverse of a dehydration synthesis reaction is a(n) ________ reaction
A) anabolic B) exchange C) hydrolytic D) endothermic E) metabolic