The protein whose removal enables myosin to bind actin in smooth muscle is
Options
(a) tropomyosin (b) caldesmon (c) myosin light chain kinase (d) calmodulin
Correct Answer:
calmodulin
Explanation:
The protein caldesmon, originally […]
The protein synthesizing system is associated with
Options
(a) ribosomes (b) microtubules (c) episomes (d) mitochondrial membrane
Correct Answer:
ribosomes
Explanation:
No explanation available. Be the first to write the explanation for this […]
The protein present in the bones is known as
Options
(a) Chondrin (b) Ossesin (c) Sclero protein (d) Globulin
Correct Answer:
Ossesin
Explanation:
The protein present in the bone is known as ossein. […]
The prokaryotic flagella possess
Options
(a) helically arranged protein molecule (b) (9+2) membrane enclosed structure (c) unit membrane enclosed fibre (d) protein membrane enclosed fibre
Correct Answer:
helically arranged protein molecule
Explanation:
No […]
The prokaryotic cells are characterised by
Options
(a) absence of nuclear membrane (b) presence of distinct chromosomes (c) absence of chromatin material (d) presence of distinct nuclear membrane
Correct Answer:
absence of nuclear […]
The prokaryotic cell does not contain
Options
(a) chromosome (b) mitochondrion (c) plasma membrane (d) ribosome
Correct Answer:
mitochondrion
Explanation:
No explanation available. Be the first to write the explanation for this question […]
The process of removal of introns and joining of exons is called
Options
(a) tailling (b) termination (c) initiation (d) splicing
Correct Answer:
splicing
Explanation:
No explanation available. Be the first to write […]
The process of photosynthesis takes place in
Options
(a) entire plant (b) leaves (c) cells of leaves (d) chloroplasts
Correct Answer:
chloroplasts
Explanation:
No explanation available. Be the first to write the explanation […]
The process of photorespiration occurs in
Options
(a) all plants (b) C₄ plants (c) C₃ plants (d) algae only
Correct Answer:
C₃ plants
Explanation:
Photorespiration takes place only in C₃ plants as at […]
The process of muscle pump is
Options
(a) beating of heart (b) squeezing effect of muscles upon veins running through them (c) peristalic wave that travel along the alimentary canal (d) circulate through […]
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