Complementary DNA (cDNA) is a DNA copy of a messenger RNA (mRNA) molecule produced by reverse transcriptase, a DNA polymerase that can use either DNA or RNA as a template.
Answer:
Explanation: Sponges are animals with dense skeletons that are highly adapted to their environments.
After the first day or so of fasting, most of the body's stores of <span>glycogen </span><span>are depleted.
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An estuary is partly enclosed coastal body of water with one or more rivers flowing through it, and with a free connection to the open sea. it would be more of a collection. hope this help have a great day.
The correct answer is b. Glad to have helped
