
Topic 5 Cell signalling
Authored by Roni Wright
Science
University
Used 157+ times

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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
In response to a signal begin received a cell may ________.
Grow and divide
Survive
Die
All of the above
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Signalling from local mediator cell to targets in close proximity is an example of which kind of signalling?
Endocrine
Paracrine
Neuronal
Contact dependent
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
The speed of a response to an extracellular signal depends apon.....
The mechanism of signal delivery
Whether transcription is required
Whether protein function is altered
All of the above
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
In the signal transduction pathway the signal is passed though the cytoplasm via....
Extracellular signalling molecules
Effector proteins
Receptor proteins
Intracellular signalling molecules
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
GTP proteins switch between active state (GDP bound) and inactive state (GTP bound)
TRUE
FALSE
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Cyclic AMP is synthesised by adenyl cyclase and degraded by ......
Phospholipase C
PKA
cyclic AMP phosphodiesterase
cyclic AMP phospholipase C
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
RTKs are an example of enzyme coupled receptor but what does it stand for?
Retinol transfer kinase
Receptor tyrosine kinase
Receptor threonine kinase
Receptor transferase kinase
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