The Four Nitrogenous Bases Found in DNA Are Cytosine, Thymine

question 30

Multiple Choice

The four nitrogenous bases found in DNA are cytosine, thymine, adenine, and guanine. Which of the following statements regarding the bases is correct?

• A) Adenine is a pyrimidine and pairs with cytosine in the DNA double helix.
• B) Cytosine has a single ring structure and pairs with guanine in the DNA double helix.
• C) Thymine is a purine and pairs with adenine in the DNA double helix.
• D) Guanine has a double ring structure and pairs with thymine in the DNA double helix.

Assess the evidence for and against Freud's concept of repression.

Recognize the potential for personality changes in adulthood as discussed by Jung.

Differentiate between the nomothetic and idiographic approaches to personality study.

Evaluate the theoretical strengths and weaknesses of Freud's psychoanalytic theory.

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Definitions:

Sodium Ions

Positively charged particles of sodium, essential in the body for maintaining cellular function, nerve impulses, and fluid balance.

Anesthetic Drugs

Substances used to induce anesthesia, rendering the patient insensible to pain.

Novocain

A synthetic compound used as a local anesthetic in medical and dental procedures; it is often substituted for safer and more effective anesthetics today.

Sodium

A chemical element (Na) that is essential for life, involved in osmoregulation and nerve function.