Suppose the Point (2, 4) Is on the Graph of Y

question 267

Multiple Choice

Suppose the point (2, 4) is on the graph of y = f(x) . Find a point on the graph of the given function.
-y = 2f(x)

• A) (5, 1)
• B) (1, 4)
• C) (2, 8)
• D) (4, 4)

---

Definitions:

Upstream Promoter Elements

DNA sequences located before (upstream of) the coding sequence of a gene that help initiate transcription by binding specific proteins.

Enhancers

Regulatory DNA sequences that enhance gene transcription; can be located long distances away from the actual coding regions of a gene.

Tryptophan Operon

A cluster of genes in bacteria involved in the production of the amino acid tryptophan, regulated by feedback inhibition.

Repressor Gene

A gene that encodes a protein which can bind to an operator or promoter sequences to prevent transcription of a certain gene.