The activity of ptyalin is likely to decrease with an inc...
The activity of ptyalin is likely to decrease with an increase in concentration of
oxygen
starch
protein
acid
Correct answer is D
No explanation has been provided for this answer.
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The process where microorganisms convert atmospheric nitrogen into nitrogenous compounds i...
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Which of the following structures is not present in the vascular bundles of a dicot stem? ...
Which of the following is the function of the mammalian iris? ...