34 questions
kinase
phosphatase
short distance
cell to cell
autocrine
short distance
cell to cell
autocrine
short distance
cell to cell
autocrine
short distance
cell to cell
autocrine
Which type of membrane protein would help intake a message from outside of the cell to inside of the cell?
Receptor Protein
Enzymatic Protein
Channel Protein
Junction Protein
After a ligand binds, the intracellular domain of a receptor protein changes _____, initiating transduction of the signal.
color
size
shape
Gymnema tea binds to taste receptors and blocks sugars from binding to receptors. The tea could be known as a(n) ____.
activator
inhibitor
buffer
cell
Phosphorylation __________.
always inactivates a protein
always activates a protein
can either activate or inactivate a protein
What does the process of phosphorylation do?
Addition of a phosphate group to a molecule.
Removal of a phosphate group to a molecule.
Addition of Non-polar elements to a phosphate group.
Removal of Hydrogen Ions from a protein.
What is the name of the signaling molecule in cell communication?
ligand
receptor
operon
inhibitor
All cells have the same response to the same signal.
True
False
All signals and receptors are the same in all cells.
True
False
Which kind of receptors are seen here?
G-coupled protein receptor
Receptor tyrosine kinase
Gated ion channels
Which is not a cell-surface transmembrane receptor?
tyrosine kinase
GPCR
Ion channel receptor
intercellular receptor
Receptor tyrosine kinase
Receptor tyrosine kinase
After a cellular response is achieved, how is it terminated?
the ligand and receptor separate
block the transduction pathway
the cell will keep responding
send out a different signal
Phosphorylation cascades are often used for
reception
responses
amplification
termination
What type of feedback loop is the diagram illustrating?
Positive Feedback Loop
Negative Feedback Loop
What type of feedback loop is the diagram illustrating?
Positive Feedback Loop
Negative Feedback Loop
What does the diagram represent?
Amplification
Specificity in Cell Response
Apoptosis
Intracellular Receptors
What is being depicted in the image?
Amplification of the signal molecule
Phosphatase removing phosphate groups from proteins
Kinase groups adding dimer groups to other enzymes
Diffusion of molecules within the cell due to the signaling molecule
Which type of reception usually changes the production of DNA?
Ligand Gated Channels
Intracellular Receptors
Receptor Tyrosine Kinases
G-Coupled Proteins
What is the main goal of cell communication?
Information Exchange
Storing genetic material
Evolution
Compartmentalization
Energy Production