Font size
S
M
L
XL
WorksheetsCell communication 1
Total questions: 12
Worksheet time: 9mins
Name
Class
Date
1.
(a) transport requires ATP while (b) diffusion requires a carrier protein.
Choose from the below words
Active
Facilitative
Simple
Passive
2.
Which of these molecules can pass through a gap junction?
a)
Proteins
b)
Hormones
c)
DNA
d)
Calcium
3.
Vertebrate gap junctions are made up of (a) proteins.
4.
Excessive numbers of ligand leading to a decrease in the number of receptors, is known as______
a)
Down - Regulation
b)
Up - Regulation
5.
The image depicts which property of signal transducing systems?
a)
Desensitization
b)
Integration
c)
Specificity
d)
Amplification
6.
Second messengers cannot be proteins.
a)
True
b)
False
7.
Catecholamines are ______ and they have a ____ half life.
a)
Hydrophilic, long
b)
Hydrophilic, short
c)
Hydrophobic, long
d)
Hydrophobic, short
8.
Steriod hormones are made in advance and are stored in secretory vesicles before use.
a)
True
b)
False
9.
(a) and (b) bind to Type I nuclear receptors.
Choose from the below words
Glucocorticoid
Projesterone
Thyroxine
Retinoic acid
Adrenaline
Glucose
10.
____ bind to direct repeat instead of inverted repeat HREs.
a)
Type I Nuclear Receptor
b)
Type II Nuclear Receptor
c)
Type III Nuclear Receptor
d)
Type IV Nuclear Receptor
11.
Which of these nuclear receptors bind to HREs as a monomer?
a)
Type I Nuclear Receptor
b)
Type II Nuclear Receptor
c)
Type III Nuclear Receptor
d)
Type IV Nuclear receptor
12.
An orphan receptor is named as such because its ___ is unknown.
a)
Function
b)
Location
c)
Ligand
d)
Structure
Reset
