AP Bio Signal Transduction Review

Quiz
•
Science
•
12th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following can activate a protein by transferring a phosphate group to it?
cAMP
G-protein
protein kinases
phosphatases
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Communication between neighboring/touching cells is common in plants.
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
We have discovered a vast majority of cell surface receptor proteins.
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The epinephrine signaling pathway plays a role in regulating glucose homeostasis in muscle cells. The signaling pathway is activated by the binding of epinephrine to the beta-2 adrenergic receptor. A simplified model of the epinephrine signaling pathway is represented in Figure 1. Based on Figure 1, which of the following statements best describes the epinephrine signaling pathway?
It involves the opening and closing of ion channels.
It involves enzymes activating other enzymes.
It involves changes in the expression of target genes.
It involves protons moving down a concentration gradient.
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The epinephrine signaling pathway plays a role in regulating glucose homeostasis in muscle cells. The signaling pathway is activated by the binding of epinephrine to the beta-2 adrenergic receptor. A simplified model of the epinephrine signaling pathway is represented in Figure 1. A researcher claims that the epinephrine signaling pathway controls a catabolic process in muscle cells. Which of the following statements best helps justify the researcher’s claim?
Epinephrine is a signaling molecule that binds to a transmembrane protein.
The G protein in the epinephrine signaling pathway consists of three different subunits.
Phosphorylase kinase catalyzes the hydrolysis of ATP.
Glycogen phosphorylase catalyzes the conversion of glycogen to glucose-1-phosphate.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Figure 1 shows a model of a signal transduction cascade, initiated by the binding of a ligand to the transmembrane receptor protein A. A DNA mutation changes the shape of the extracellular domain of transmembrane receptor protein A produced by the cell. Which of the following predictions is the most likely consequence of the mutation?
Production of activated molecule 1 will stop, but production of activated molecules 2 and 3 will continue.
The molecule that normally binds to protein A will no longer attach, deactivating the cellular response.
The molecule that normally binds to protein A will not enter the cell, thus no cellular response will occur.
Since protein A is embedded in the membrane, the mutation will be silent and not affect the cellular response.
Tags
NGSS.HS-LS3-2
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