Question

4.1 substances, proteins, enzymes, catalysts, speed up, use up, slow down
All cells contain
which are 4.1.2
and act as
4.1.3 which
4.1.4. chemical reactions. The reactions do not 4.1.5 the
4.1.5 the 4.1.6
which can take part in further reactions.​

Answer 1

Answer:

I didn't understand the question

Explanation:

Sorry I am busy