Enzymes chemical reactions.
-slow down
-speed up
-don't change

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes