A+
✔✔Know 3 enzymes - ✔✔Hexokinase
Glycogen phosphorylase
phosphofructokinase
✔✔Pyruvate dehydrogenase complex requires multiple enzymes and four water soluble
vitamins including: - ✔✔B1, B2, B3, and pantothenic acid (B5)
✔✔Krebs cycle begins with what? - ✔✔acetyl coa
✔✔Krebs cycle generates how many ATP? - ✔✔12 ATP
1 FAD = 2 ATP
3 NAD = 9 ATP
1 additional ATP
✔✔Krebs cycle releases how many CO2 - ✔✔2
✔✔How is acetyl CoA formed for Krebs cycle? - ✔✔Via pyruvate dehydrogenase
complex by converting pyruvate to Acetyl CoA
✔✔ The organelle that serves as the digestive system in the cell is the:
a. polysome
b. endosome
c. lysosome
d. ribosome
e. intestine - ✔✔c. lysosome
✔✔Peripheral proteins function primarily as ion channels and active transporters.
a. true
b. false - ✔✔b. false
Integral proteins function primarily as ion channels and active transporters
✔✔What is cell signaling?
a. the process a cell goes through before it becomes functional
b. nerve impulses that cause motion
c. biochemical reactions that convey a message to a DNA promoter
d. the process of protein catabolism - ✔✔c. biochemical reactions that convey a
message to a DNA promoter
✔✔Which of the following organ has the greatest capacity to take up plasma glucose:
a. intestine
, b. brain
c. liver
d. adipose tissue
e. muscle - ✔✔c. liver
✔✔Which of the following would not be a good enzyme to measure in the blood to
diagnose a specific organ injury:
a. an enzyme from glycolysis
b. from glycogenolysis
c. from B-oxidation of fatty acids
d. from fatty acid synthesis
e. from glycogenesis - ✔✔c. from B-oxidation of fatty acids
✔✔The purpose of coupling metabolic reaction is:
a. to enable an endothermic reaction to become exothermic
b. to enable an exothermic reaction to become endothermic
c. to enable the reaction to proceed
d. a and c
e. b and c - ✔✔d. a and c
✔✔NADH and FADH2 transfer electrons to the electron transport chain.
a. true
b. false - ✔✔a. true
✔✔The ingested nutrients are usually digested on microvilli and absorbed by the
matured mucosal epithelium (enterocytes).
a. true
b. false - ✔✔a. true
✔✔Your patient has just been treated for Helicobacter pylori infection and wants to
decrease the irritation of the acid released by the stomach. Therefore, you prescribe a
drug that:
a. stimulates gastrin release
b. stimulates histamine release
c. stimulates secretin release
d. all of the above
e. none of the above - ✔✔c. stimulates secretin release - increase in pancreas which
would decrease in stomach
gastrin - increase in stomach
histamine - increase in stomach
✔✔HCL is released by parietal cells and creates an acidic environment in the stomach.
a. true