Dimitri signalling pathway quiz

Quiz
•
Biology
•
4th Grade - University
•
Medium
Zhang Yanming
Used 3+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the followin is wrong?
A hormone molecule would bind a receptor on the membrane and trigger response pathways.
Endocrine signals involve hormones.
Paracrine is a cell secret signaling molecules that bind next to its neighbors.
Autocrine is a cell secret signalling molecules that target tissues or organs that is far away.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Signal transduction pathway is a pathway that relays a signal from outside of the cell to inside where a responses is triggered, like specific gene transcription.
True
False
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a protein kinase do?
Add a methyl group to histone
Add a phosphate group to other proteins (phosphorylation)
Destroy and recycle an enzyme.
Adjust a pH of the environment of an enzyme.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme does the opposite function to protein kinase?
Phosphatase
Trypsin
Insulin
lysozyme
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a major component of signal transduction pathway?
Receptors
second messenger
phosphorylation cascade
nuclear response
the destroy of the signaling molecule
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the a TYPICAL response to signal transduction that happens all the time?
Nuclear response
Enzyme response
Endocytosis
Exocytosis
breakdown of cell membrane
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is not a reason that signal transduction is important?
The cells need to survive in the fast changing environment..
The cells need to know when to grow and hibernate.
The cells need to know when to destroy itself.
The cells need to know when to differentiate into different tissues.
All these choices are correct.
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