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WorksheetsAP Bio Cell Communication
Total questions: 25
Worksheet time: 25mins
What is the name of the signaling molecule in cell communication?
ligand
receptor
operon
inhibitor
Identify the type of receiver seen here.
G-protein coupled receptor
gated ion channel
RTKs
cAMP
Which kind of receptors are seen here?
G-coupled protein receptor
RTK's
Gated ion channels
What type of signaling is shown here?
autocrine
synaptic
endocrine
paracrine
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
Which two terms describe this image?
long distance signal
local signal
synaptic
paracrine
Adrenaline is released from your adrenal glands to affect various systems in the body. This is an example of ____ signaling.
synaptic
endocrine
paracrine
autocrine
Long distance signals involving hormones are ________ signals.
paracrine
synaptic
endocrine
What determines whether a signal molecule binds on the surface or enters the cell?
size
polarity
ability to cross the membrane
all of these
Communication between neighboring/touching cells is common in plants.
True
False
Choose the correct order of communication.
reception, response, transduction
transduction, reception, response
response, transduction, reception
reception, transduction, response
Which are two widely used second messengers?
cAMP
RTK's
Ca2+
sodium
Phosphorylation cascades are often used for
reception
responses
amplification
termination
Programmed cell death is known as
mutation
termination
cytokinesis
apoptosis
Which of the following can activate a protein by transferring a phosphate group to it?
cAMP
G-protein
protein kinases
phosphatases
What is the primary function of a receptor in cell communication?
To bind signaling molecules
To produce energy
To transport ions
To synthesize proteins
Which type of cell signaling involves direct contact between neighboring cells?
Endocrine
Paracrine
Autocrine
Juxtacrine
In a signal transduction pathway, what role does a second messenger play?
It directly binds to the receptor
It amplifies the signal within the cell
It degrades the signaling molecule
It transports the signal out of the cell
Which of the following is an example of a ligand that binds to a cell surface receptor?
Steroid hormone
Insulin
DNA
ATP
What is the result of a phosphorylation cascade in cell signaling?
Signal amplification
Signal termination
Signal degradation
Signal inhibition
How do G-protein coupled receptors (GPCRs) transmit signals inside the cell?
By opening ion channels
By activating G-proteins
By directly phosphorylating proteins
By synthesizing new proteins
Which process is an example of autocrine signaling?
A cell releasing a hormone that affects distant organs
A cell responding to a growth factor it secretes
A neuron releasing neurotransmitters to a synapse
A cell communicating with an adjacent cell through gap junctions
