Answer:
where is the file attachment?
They do lower the activation energy but they provide an alternate pathway for the reaction to happen quicker and they do not get used up in the reaction
I think the answer would be yes, the nuclear membrane would be present. It is involved during the process of cytokinesis and is remain unchanged even the process is done. It is a very important part in order to have a healthy cell function.
I believe the blank would be the dirt soil