A China rose plant has 68 chromosomes. State the number of chromosomes i) in the cells of its sepal
ii) in its germ cells

I) species ranging between 2n=2x=14 and 2n=8x=56

ll) 36,377

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products