ce the timer begins, you will not be able to stop it so make sure that you ve a secure intemet connection before you start.

e a laptop or desktop computer, do NOT use your phone or tablet.

se Chrome or Firefox as your prowser and do not leave the exam page. All kams are closed book. Navigating away from the exam page will be considered heating and will result in a zero.

Please do not use Internet Explorer or the Safari browser when taking the exam, this may cause some of the images to not display properly.

Question $49$

$2$ pts

Holoenzymes contain inorganic portions known as $$

$$ coenzymes

protoenzymes

cofactors

apoenzymes