In general, microbial growth in the open ocean is most limited by the availability of ________.
A. iron
B. manganese
C. phosphorus
D. nitrogen
Answer: D
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Of all the different codons that exist, three of them
a. are involved in mutations. b. do not specify a particular amino acid. c. cannot be copied. d. do not specify a particular amino acid and are signals to begin translation. e. do not specify a particular amino acid and are signals to terminate translation.
The extracellular matrix is composed mostly of
1.glycoproteins. 2.DNA. 3.RNA. 4.ribosomes. 5.lipids.
Two organisms using a portion of the same resource simultaneously is referred to as
A) niche overlap. B) competitive release. C) intraspecific competition. D) territoriality.
The site where the two original DNA strands separate and active replication occurs is called the
A. replisome. B. lagging strand. C. replication fork. D. sliding clamp subunit. E. primosome.