Cell Signaling

Cell Signaling

University

9 Qs

quiz-placeholder

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Cell Signaling

Cell Signaling

Assessment

Quiz

Biology

University

Practice Problem

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Do we know what a signal transduction pathway is?

Of Course

Of course I do, but why don't you remind us for fun...

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the important structural difference between estrogen and insulin

estrogen is a peptide hormone, insulin is a steroid

Estrogen is a glycogen hormone, insulin is a steroid

Estrogen is a steroid hormone, insulin is a glycogen

Estrogen is a steroid hormone, insulin is a peptide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are cell receptors found?

Cell Surface

Nuclear Surface and Cell Surface

Everywhere inside the cell

Extracellular matrix

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What uses the delta signal protein and is responsible for transmembrane protein signaling between two cells?

Neuronal

Paracrine

Juxtacrine

None; there is no delta signal protein

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Do you need 1 signal molecule to affect 1 molecule of change?

Yes, signal transduction pathways are direct

Yes, signals are inherently destroyed in affecting another molecule

No, the signal molecule will bind to multiple different types of receptors in the cell to create multiple changes

No, the signal transduction pathway includes signal amplification which proliferates the affect of the cell signal

6.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Media Image

What’s going on here?

Ik

idk

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

A G-protein is activated with acetylcholine: what happens next?

GDP is released from alpha subunit and replaced for GTP

GTP alpha subunit phosphorylates the beta subunit which can now do things

The alpha subunit disassociates from the g protein and beta subunits, letting itself and the beta subunit do something

the dephosphorylated alpha subunit rejoins the beta subunit and migrate back to the deactivated g protien

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Out of the 3 types of cell surface receptors, which is a dimer in the activated state

g-proteins

Enzyme coupled receptors

Ion Channels

9.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

An example of enzyme coupled receptors includes...

creating the apoptosome

inducing increased genomic expression of specified proteins by means of cAMP

Releasing Ca2+ inside the cell

Activating mitogen activated kinase kinase