Which are the special proteins in muscles that contract and relax to cause movement?
Which of the following is necessary to maintain the number of individuals of species and to prevent their extinction?
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Phytohormones are
Which of the following is a vertebrate?
Vaccination against which disease was conducted recently as a National Vaccination Day?
Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the
The ___ has abundant white fibres.
A human body works within the pH range of
___ are the carriers of heredity material.