Thin filament of myofibril contains 2 ‘F’ actins and two other proteins namely __________ and __________.

Name two plants in which one has joined sepals and the other has separate sepals.

The myosin myofilament can be cleaved into a head and a tail piece. All of the following are accurate in describing the position of myosin in a sacromere except (i) A-band is the length of a myosin myoilaments (ii) A-band contains thin and thick myofilaments (iii) A-band does not include actin-binding sites

Two planes are perpendicular to one another. One of then contains vectors vec a and vec c and other contains vectors vec b and vec d then (vec a xx vec c) . (vec b xx vec d) =

The long protein mulecule, which masks the active sites on the f-actin is

Name two foods each rich in: Protein

Two green plants are kept separately in oxygen free containers, one the dark and the other in continuous light. Which one will live longer? Give reasons.