Quiz Communication Cells and Hormone

Which of the following would be an example of paracrine signaling in animals?

• neurotransmitter acetylcholine
• hormone epinephrine
• neurotransmitter norepinephrine
• growth factor

A signal molecule that binds to a plasma-membrane protein is a

• ligand
• second messenger
• protein kinase
• receptor protein

What is a G protein?

• specific type of membrane-receptor protein
• protein on the cytoplasmic side of a membrane
• membrane-bound enzyme
• relay protein

What do second messengers do?

• transport a signal through the lipid bilayer
• relay a signal from the outside to the inside of the cell
• relay message from the inside of the mebrane throughout the cytoplasm
• dampen the message

What is a phosphorylation cascade?

• travelling of hormones through the air
• travelling of hormones through the blood
• the removal of a phosphate
• a series of molecules that get phosphorylated

What do you call it when two neurons communicate through neurotransmitters?

• Hormones
• Synapse
• Cholesterol
• Monty

What is an organic compound that is made by glands in the body (pituitary, thyroid, etc) that is used in long distance communication between cells?

• Hormones
• Neurotransmitters
• Synapse
• Carbohydrates

Insulin causes

• a decrease in the concentration of blood glucose
• a decrease in the permeability of cell membranes to glucose
• an increase in the production of glucose from glycogen
• none of these is correct

Tags

NGSS.HS-LS1-3

What gland secrete hormones directly into the bloodstream ?

• pineal gland

• Exocrine gland

• Endocrine gland

• Pituitary gland

What is released if glucose levels are too low?

• Insulin

• Glucagon

• Amylase

• Pepsin

Tags

NGSS.HS-LS1-3