1. Why did Mendel choose to work with the garden pea plant?
(a) Because the pea plant is easy to work with.
(b) Because pea plants are fast growing.
(c) Because the pea plant has a number of characteristics, each with only two forms.
(d) all of the above

The answer is d

Explanation:

He picked the P plants because they were easy to work with and they grew relatively fast and they also had characteristics that he could manipulate(Brainliest please)

uh two lol

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.