Multiple Choice
What is occurring when a transport protein uses energy to pump a solute across a cell membrane against its concentration gradient?
A) osmosis
B) passive diffusion
C) facilitated diffusion
D) phagocytosis
E) active transport
Correct Answer:

Verified
Correct Answer:
Verified
Q46: The enzyme aspartate transcarbamoylase (ATCase) catalyzes the
Q47: The removal of electrons from a compound
Q48: ATP acts as a(n) _ in almost
Q49: A passive process that requires a protein
Q50: Match the transport mechanism to the correct
Q52: Which biological molecule(s) may show enzymatic activity?<br>A)lipids
Q53: Which condition(s) increase the rate of diffusion
Q54: Glucose enters a cell via a glucose
Q55: All of these substances assist enzymes during
Q56: Some enzymes require inorganic or organic molecules