Which of the Following Statements Concerning the Double Helix Structure

question 64

Multiple Choice

Which of the following statements concerning the double helix structure present in DNA molecules is correct?

• A) The two nucleotide strands are mirror images of each other.
• B) Hydrogen bonds between sugar units hold the two nucleotide strands together.
• C) Base pairing between strands always involves one pyrimidine base and one purine base.
• D) Base pairing combinations are always A-G and C-T.

---

Definitions:

Consumer Surplus

The gap in the total amount consumers are ready and capable of investing in a service or good and the actual outlay they make.

Maximum Price

A price ceiling set by a governing body, above which a particular good or service cannot be sold to prevent prices from becoming prohibitively high.

Actual Price

The price at which a good or service is sold in the market, as opposed to its listed or theoretical price.

Producer Surplus

The difference in the expected remuneration by producers for offering a good or service and the actual revenue they secure.