Which of the following pH values is the best for the acti...
Which of the following pH values is the best for the action of the enzymes: renin and pepsin in the
stomach?
pH2
pH7
pH8
pH9
Correct answer is A
No explanation has been provided for this answer.
A food web is more stable than a food chain because ...
At what stage in this cycle can a man be infected? ...
Thunderstorm can be beneficial to plants because it ...
Conversion of atmosphere carbon into chemical bond energy occurs during the process of? ...
An example of a plant having the placentation shown is ...
At what stage in the life history of a mammal is the sex of an individual set? ...