Answer:
C. Mutations always cause a change in the in the way an organism looks.
Explanation:
Explanation:
The answers are: C D E. Cells are semi-permeable which means it chooses what nutrients and h2o to enter and excretes cell waste into the bloodstream.
The proteins(particularly enzymes) of the membrane help chemical reactions.
An example would be enzymes involved in electron transport chain.
A- if her results support her hypothesis
America, Russia or China.
Probably America though.