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

Biology & Microbiology

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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%

Biology & Microbiology

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.

Biology & Microbiology

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.

Biology & Microbiology

The reverse of a dehydration synthesis reaction is a(n) ________ reaction

A) anabolic B) exchange C) hydrolytic D) endothermic E) metabolic

Biology & Microbiology