Step 1. Simplify brackets

Step 2. Simplify
13
Done! :)
Your answer is A. 13 Hope this helps!
It carries oxygen throughout the body
Answer:
DNA polymerases
Explanation:
The formation of a phosphodiester bond between adjacent nucleotides is catalyzed by the DNA polymerases. They do this efficiently only if the incoming base on the incoming nucleoside triphosphate is complementary to the base on the template strand and can bind efficiently.
Vector: anything that transmits a disease.
Malaria vectors can include mosquitos, ticks, and other blood sucking insects.
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The answer Would Be B
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