The enzyme that catalyzes the addition of new nucleotides to a growing DNA strand is
A. DNA polymerase.
B. helicase.
C. topoisomerase II.
D. DNA ligase.
E. DNA replicase.
A
Biology & Microbiology
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How many unique mRNA codons can be constructed from the four different RNA nucleotides?
A. four B. 12 C. 16 D. 61 E. 64
Biology & Microbiology
Which of the following is unique to prokaryotes?
a. chemoautotroph b. chemoheterotroph c. photoautotroph d. photoheterotroph e. chemoautotroph and photoheterotroph
Biology & Microbiology
You have discovered a fungus that has septate hyphae and is partnered with a photosynthetic cell
What type of fungus is it? What will be an ideal response?
Biology & Microbiology
Transcription factor proteins contain regions called ______ that have specific functions
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology