Which of the Following Secondary Structures Is Correctly Identified

question 28

Multiple Choice

Which of the following secondary structures is correctly identified?

• A)Z-DNA: left-handed DNA with pyrimidines in the syn conformation and purines in the anti conformation
• B)hairpin structure: self-complimentary single stranded molecules that form a parallel helix
• C)cruciform: a double hairpin formed in a region of palindromic DNA
• D)H-DNA: triple helical structure that results when Watson-Crick base pairing does not form and instead, Hoogsteen base pairing occurs
• E)none of the above

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Definitions:

Liquid Diet

A diet that consists entirely of liquids and foods that turn to liquid at room or body temperature, often prescribed before or after certain medical procedures or for patients with digestive issues.

Optimal Nutrition

The attainment of a balance of nutrients necessary to support the body's health, growth, and energy needs without excess.

Metabolic Demands

The amount of energy (calories) the body requires to carry out physical and physiological processes.

Nutrients

Substances obtained from food that are essential for the maintenance of health and for growth and development.