All of the Following Are True of Cones EXCEPT

question 8

Multiple Choice

All of the following are true of cones EXCEPT

• A)they are responsible for peripheral vision.
• B)they provide color vision.
• C)they allow discernment of fine details in bright light.
• D)they are less sensitive to light than are rods.
• E)there are fewer cones than rods in the human eye.

---

Definitions:

Regulatory Sequences

Segments of DNA that are involved in controlling the activity of genes, including when, where, and how much of a gene product is made.

Constitutive

Expressed continuously under normal physiological conditions, not subject to regulation by environmental conditions.

Lac Operon

A set of genes involved in the metabolism of lactose in bacteria, along with their promoter and operator sequences that control their expression.

Repressor Protein

A type of protein that binds to specific DNA sequences and inhibits the expression of a gene by blocking RNA polymerase.