Which are the special proteins in muscles that contract and relax to cause movement?
Which cells in pancreas produce Insulin ?
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The pale yellow colour of urine is due to the presence of which pigment?
Human beings' hearing range is _______.
Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?
Which type of cell, skin is made up of:
........... connects muscle to the bones.
......... reproduces by binary fission
The secretion from the prostate gland enters into the: