Answer:
Submerge a leaf in boiling water for one minute. This kills the leaf as it destroys membranes, making it easier to extract chlorophyll.
In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of residues that form temporary bonds with the substrate (binding site) and residues that catalyse a reaction of that substrate (catalytic site).
The protons and neutrons of an atom are found in the nucleus at the centre of an atom
The answer is a. True
The body loses water in the first place through kidneys in the form of urine. A less is lost through evaporation from a skin, as a sweat, or through exhalation, by breathing out water vapor. In some cases, such as intensive exercise or hot weather, increased amount of water can be lost through sweat.
