Which are the special proteins in muscles that contract and relax to cause movement?
Melvin calvin got Noble Prize for his studies on
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Blood pressure is measured with
The valve present between left auricle and left ventricle is
The rate of respiration per minute in a new born baby
In plants, exchange of gases takes place through
karl Landsteiner discovered
Total salt content in blood is about
In electro - magnetic radiation, which of the following has greater wave - length than visible light
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