RNA contains the nitrogenous base ________ instead of ________, which is found only in DNA
A) a deoxyribose sugar... a ribose sugar
B) uracil... thymine
C) uracil... guanine
D) thymine... uracil
B
Biology & Microbiology
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The differences in inherited traits among individuals in a population are called _______
A. species variation B. genetic mutations C. genetic variation D. natural selection E. None of these
Biology & Microbiology
The enzyme that adds nucleotide bases to each growing daughter strand in the replication process is called:
a. replication enzymes. b. DNA polymerase. c. insertion sequence enzymes. d. transcriptase.
Biology & Microbiology
An example of an echinoderm is a ________.
What will be an ideal response?
Biology & Microbiology
Death from tetanus is usually due to
a. respiratory failure. b. excessive bleeding. c. high fever. d. kidney toxicity.
Biology & Microbiology