17: Endomembrane system is part of the secretory process thus only secretion would be affected by a toxin.
30: ADP is formed only when ATP is used
And ATP is used whenever energy is used
Thus only one choice uses energy. The other ones do not use energy. Another way to ask this question is: Which of the following processes use energy?
28. If a channel protein or a pump stopped working, then whatever the channel might allow in would stop. Thus amino acids would not be allowed in through the channel.
