BSC 360 Exam 3 Review

In a phospholipid bilayer, what part of the phospholipid points inward?

• Hydrophobic Tail

• Hydrophilic Head

Which of the following lipids acts as a strengthening agent for the membrane?

• Cholesterol

• Phosphoserine

• Glycolipid

Which enzyme PURPOSEFULLY moves lipids from one side to the other to make different side?

• Scramblase

• Flippase

• Isomerase

• Dehydrogenase

The following is a Na/Glucose transporter. How would this transporter be described?

• Uniporter

• Symporter

• Antiporter

At rest, do cells maintain higher concentrations of Calcium inside or outside the cell?

• Inside

• Outside

Tags

NGSS.HS-LS1-3

What charge is on the outside of a cell when it is DEPOLARIZED?

• Positive

• Negative

• Neutral

The opening of what kind of ion channel propagates an action potential across a membrane?

• K⁺

• Ca²⁺

• Na⁺

• Cl^-

What is the NET energy production of Glycolysis? (Select all that apply)

• 1 ATP

• 2 ATP

• 1 NADH

• 2 NADH

• 1 FADH₂

What enzyme catalyzes the 5th step of the Citric Acid Cycle?

• Isocitrate dehydrogenase
• Citrate synthase
• Succinyl-CoA synthetase
• Fumarase

True or False: It is possible to reverse the processes of Glycolysis to build instead of break sugars.

• True

• False

Tags

NGSS.HS-LS1-7