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Cell Communication AP Biology

Authored by Shannon Dinovo

Science

9th Grade - University

NGSS covered

Used 54+ times

Cell Communication AP Biology
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26 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An example of DIRECT cell communication is:

White blood cells bumping into each other sharing antigen info

Neurons communicating across a synapse

Hormones traveling through the blood stream to target tissues

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An example of LOCAL cell communication is:

White blood cells bumping into each other sharing antigen info

Neurons communicating across a synapse

Hormones traveling through the blood stream to target tissues

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The figure above shows a model of a ligand precursor being cleaved to produce an active ligand that binds to a specific receptor. Which of the following is most likely to reduce the binding of the active ligand to its receptor?

A change in the cytoskeletal attachment of transmembrane proteins

The presence of a large amount of the precursor form of the ligand

An increase in the ratio of the number of unsaturated to the number of saturated fatty acid tails of the membrane lipids

A mutation in the receptor gene that causes a substitution of a charged amino acid for a nonpolar amino acid in the ligand binding site of the receptor

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

ligand
second messenger
protein kinase
receptor protein

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What determines whether a cell is a target cell for a particular signal molecule?

phosphorylation cascade
cAMP
signal receptors
phosphatase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The binding of a ligand to a ligand-gated ion channel can cause the channel to ___.

open

close

both answers can be correct

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cell converting a chemical signal into a cellular response is known as __.

energetics

transduction

ligand response

transformation

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