BNFH01 - Cell Signalling

BNFH01 - Cell Signalling

University

18 Qs

quiz-placeholder

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BNFH01 - Cell Signalling

BNFH01 - Cell Signalling

Assessment

Quiz

Science

University

Practice Problem

Medium

Created by

Michela Bernini

Used 10+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is cell signaling?

Cell signaling refers to the physical structure of cells.
Cell signaling is the method by which cells reproduce.
Cell signaling is the process of cell division.

Cell signaling is the communication process between cells to coordinate their activities.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a ligand in cell signaling?

A ligand is a molecule that binds to a receptor to initiate cell signaling.
A ligand is a protein that degrades other molecules.
A ligand is a cellular structure that produces hormones.
A ligand is a type of receptor that transmits signals.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of signaling involves direct contact between cells?

Juxtacrine signaling
Paracrine signaling
Autocrine signaling
Endocrine signaling

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of receptor is found inside the cell?

Membrane receptors
Enzyme-linked receptors
G-protein coupled receptors
Intracellular receptors

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of receptor is involved in synaptic signaling and opens in response to a ligand?

Ligand-gated ion channel
Enzyme-linked receptor
G-protein coupled receptor
Voltage-gated ion channel

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which receptor type is activated by exchanging GDP for GTP?

Ion channels
Receptor tyrosine kinases
G-protein coupled receptors (GPCRs)
Nuclear hormone receptors

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of tyrosine kinase receptors in cell signaling?

They phosphorylate themselves and initiate signaling pathways often related to cell growth.

They primarily function in energy metabolism.
They are involved in DNA replication only.
They inhibit cell growth and differentiation.

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