The Double Helix of DNA Is Composed of Building Blocks

question 11

Multiple Choice

The double helix of DNA is composed of building blocks called

• A) amino acids.
• B) monosaccharides.
• C) phospholipids.
• D) disaccharides.
• E) nucleotides.

---

Definitions:

Validity

The extent to which a test, tool, or research accurately measures what it is intended to assess.

Rubric

A tool or set of guidelines used to evaluate or assess a task, performance, or project according to predefined criteria.

Informal Assessment

A method of evaluating student learning through less structured means, focusing on the observation of student performance and understanding.

Validity

Validity is the degree to which a test or assessment accurately measures what it purports to measure.