Which of the following are the most abundant of the chlorophylls?
a. chlorophyll a and b
b. chlorophyll a and c
c. chlorophyll b and c
d. chlorophyll a, b, and c
Ans: a. chlorophyll a and b
Biology & Microbiology
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Compared to a solution of pH 9, a solution of pH 7
A. has more H+ ions. B. has a higher pH. C. is more basic. D. has no OH- ions.
Biology & Microbiology
Which of the following is a somatosense?
a. temperature b. pain c. vibration d. proprioception
Biology & Microbiology
Which of the following is NOT an essential amino acid?
a. isoleucine b. threonine c. phenylalanine d. lysine e. glutamic acid
Biology & Microbiology
As replication proceeds in a prokaryotic cell, how many replication forks exist on one chromosome?
A) 1 B) 2 C) 3 D) 4 E) 5
Biology & Microbiology