Mechanism of Action of Hydrophilic Hormones
Trending Questions
- Target
- Receptor
- Hormone receptor complex
- Second messenger
(i) Transport and chemically modify the materials contained within it.
(ii) Performs the function of packaging materials.
(iii) Important site of formation of glycoproteins and glycolipids.
Select the correct option.
- (ii) and (iii) are wrong but (i) is correct.
- (ii) is wrong but (i) and (iii) are correct.
- All statements are correct.
- (i) is wrong but (ii) and (iii) are correct.
Which one of the following is not a second messenger in hormone action?
cAMP
cGMP
Calcium
Sodium
Hormone X produces its effect in its target cells via the cAMP second messenger system. Which of the following will produce the greatest effect in the cell?
Molecule of hormone X applied to the extracellular fluid surrounding the cell
Molecule of hormone X injected into the cytoplasm of the cell
Molecule of cAMP applied to the extracellular fluid surrounding the cell
Molecule of cAMP injected into the cytoplasm of the cell
- Cyclic AMP
- Insulin
- T3
- Gastrin
- large number of inactivated mRNA strands in the nucleus gets activated.
- large number of inactivated DNA strands in the nucleus gets activated.
- large number of inactivated mRNA strands in the cytoplasm gets activated.
- large number of inactivated DNA strands in the cytoplasm gets activated.
- Estrogen
- Insulin
- Thyroxine
- Cortisol
Hormones are chemical signals that stimulate specific target tissues. Their specificity is due to the presence of signal receiving ‘receptors’ only in the respective target tissues. Where are these receptors present in case of hormones of protein nature.
Extra cellular matrix
Blood
Plasma membrane
Nucleus
cell surface in case of:
- Progesterone
- Estrogen
- FSH
- Cortisol
Which is the following hormones use calcium pathway for their action?
FSH
LH
CCK
ACTH
_____ is the secondary messenger utilized by ACTH, FSH, LH and calcitonin hormones.
cAMP
cGMP
Calcium
A, B and C
what is difference between plant cytokinines and animal cytokinines?
- Continue to respond to hormone, but in opposite way
- Continue to respond to the hormone without any difference
- Continue to respond to hormone, but will require higher concentration
- Not respond to the hormone