Choose the Statement That Is True About DNA

question 7

Multiple Choice

Choose the statement that is true about DNA:

• A)It exhibits base pairing.
• B)It forms a double helix.
• C)It is a polymer of nucleotides.
• D)All of these are correct.

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Definitions:

Nephridiopores

External openings of the nephridia, which are excretory organs in many invertebrates, allowing waste to exit the body.

Nephridia

Excretory organs in many invertebrates, including annelids and mollusks, that filter fluid directly from the body cavity.

Mollusks

A diverse group of invertebrate animals with a soft body, many of which have a hard shell, including snails, clams, and squid.

Protonephridia

A type of excretory and osmoregulatory system found in some invertebrates, consisting of a network of tubules ending in flame cells.