Los Angeles Trade Technical College » Biology » Biology 6 - General Biology I » Fall 2021

Question #1

Match proper terms. signaling molecule

A. ion-channel

B. cAMP

C. hormone

Question #2

Match proper terms. protein receptor

A. cAMP

B. hormone

C. ion-channel

Question #3

Match proper terms. second messenger

A. hormone

B. ion-channel

C. cAMP

Question #4

Match proper terms. phosphatase

A. hormone

B. removes phosphate groups from proteins

C. phosphorylates proteins

Question #5

Match proper terms. protein kinase

A. phosphorylates proteins

B. hormone

C. cAMP

Question #6

________________ refers to programmed cell suicide.

A. Apoptosis

B. Signal transduction

C. Signal reception

D. Cell reproduction

Question #7

The key to the cell’s continuing “receptiveness” to regulation is the _________________________.

A. reversibility of the binding of signaling molecules to their receptors

B. presence of enzyme inhibitors

C. active transport of cyclic AMP and calcium ions

D. availability of protein kinases

Question #8

Plasma membranes are more permeable to lipid-based signal molecules than to protein-based signal molecules.

A. TRUE

B. FALSE