2. Cellular Messengers & Receptors

Question 1

Hormones are of 2 types based on action
1.
2.

Answer 1

5

Question 2

Classification of hormone 
1. 
2. 
3. 
4.

Answer 2

5

Question 3

Amino acid derivatives ( single amino acid required )

1. Tyrosine :-
2. Tryptophan :-
3. Arginine :-

Answer 3

5

Question 4

Protein / peptide derivative :-
Examples :-
Do not cross :-

Answer 4

5

Question 5

Cholesterol derivatives :-
Cross the
Act :-
Examples :-

Answer 5

6

Question 6

Vitamin hormones :-
Examples
Acts by :-
Acts on :-

Answer 6

6

Question 7

Receptors classification :-
2 classes :-
1.
2.

Answer 7

6

Question 8

Examples of extra cellular/ cell membrane receptor :-
1.
2.
3.

Answer 8

6

Question 9

Examples of Intracellular receptors
1.
2.

Answer 9

6

Question 10

G protein coupled receptors

Aka :- 
Which type of protein :- 
Example of which receptor :- 
3 subunit :- 
Which unit has GTPase activity :-

Answer 10

6

Question 11

GPCR activation result in :-

When hormone binds to GPCR :-
Hormone will be 1st messenger
Sends 2nd messenger

Answer 11

7

Question 12

Second messengers:-
1.
2.
3.

Answer 12

7

Question 13

cAMP is second messenger in 
Examples 
1. 
2.
3. 

V2 receptor is :-
Loss in stool :-
Loss in sputum :-

Answer 13

8

Question 14

Calcium is second messenger in :-

2. Vasoconstriction by :-

Answer 14

8

Question 15

cGMP is second messenger in
Example :-

Natriuretic peptides : -

Answer 15

8

Question 16

Tyrosine kinase receptors for :-
1.
2.

Answer 16

9

Question 17

Jannese kinase receptor for :- 
Twin hormones
1. 
2. 
3. JAK2 is used by :-

Answer 17

9

Question 18

Downregulation of receptors by
1.
2.
3.

Answer 18

9

Question 19

Intracellular receptors
1.
2.

Answer 19

9

Question 20

Examples of cytoplasmic receptors :- 
1. 
2. 
3. 
4.

Answer 20

9

Question 21

Nuclear receptors for Examples 
1. 
2. 
3. 
4.

Answer 21

9