Answer:
a. Aminopeptidase and e. Angiotensin converting enzyme (ACE)
Explanation:
Posttranslational modification includes the transfer or removal of functional groups.
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles. Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron.
passive transport would be the answer to your question
Answer:
true I know the answer because my teacher told me