A. G proteins bind to hormones on the cell surface
B. All the three subunits alpha, beta and gamma should bind each other for G protein to act
C. G Proteins act as inhibitory and excitatory because of difference in alpha subunit
D. G protein is bound to GTP in resting state
Related Mcqs:
- Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________?
A. Repaglinide
B. Voglibose
C. Exanatide
D. Rosiglitgazone - True about denaturation of protein is all except______________?
A. Unfolding occurs
B. Disruption of secondary structure occurs
C. Sequence of amino acids remain the same
D. Biological activity is retained - The Sensory receptors serving the stretch reflex are classified as___________?
A. Proprioceptors
B. Nociceptors
C. Exteroceptors
D. Chemo receptors - All the following hormones bind to cell surface receptors of the target tissues EXCEPT_____________?
A. Thyroid stimulating hormone
B. Glucagon
C. Estrogen
D. Epinephrine - All of the following hormones have cell surface receptors except_____________?
A. Adrenalin
B. Growth Hormone
C. Insulin
D. Thyroxine - The dentin receptors are unique because_____________?
A. They elicit pain to hot and cold
B. They elicit pain to touch and pressure
C. They elicit pain to chemicals
D. Elicit only pain as a response - The dental pulp contains nerve endings/receptors for____________?
A. Pain
B. Pressure
C. Proprioception
D. Temperature - All of the following have receptors which are transcription factors except____________?
A. Insulin
B. Estrogen
C. Vitamin D
D. Glucocorticoid - Which of the following receptors is activated by acetylcholine and blocked by atropine______________?
A. Nicotinic
B. Muscarinic
C. Alpha 1 and 2
D. Beta 1 and 2 - Which among the following is a pure antagonist of opioid receptors ?
A. Natrexone
B. Nalbuphine
C. Butorphanol
D. Pentazonice
