Portage Learning Chem 210 - Module 7 Problem Set.

Portage Learning Chem 210 - Module 7 Problem Set.
Question 1
pts

A scientist uses the term flux regarding a biochemical pathway. What does
flux mean?


Flux is the rate of flow through a biochemical pathway.




Question 2
pts

A particular pathway breaks down proteins into amino acids. Is this an
anabolic or a catabolic pathway?


Catabolic. This is degradation of a molecule.




Question 3
pts

The acetyl group is connected to CoA to make Acetyl-CoA. A) What specific
atom of CoA connects to the carbon atom on the acetyl group? B) What
nucleotide base is part of CoA?


A) Sulfur B) Adenine




Question 4
pts

Both carbohydrates and lipids are broken down into Acetyl-CoA for further
processing. What pathway does Acetyl-CoA go to next?


Citric Acid Cycle (CAC)

, Portage Learning Chem 210 - Module 7 Problem Set.

Question 5
pts

What is the “ETC” and what happens there?


Electron transport chain. NADH is converted into ATP at the ETC.




Question 6
pts

What is the sign (+ or -) of ΔG for the breakdown of ATP to ADP? Why is the
sign important?


(-). A negative means spontaneous, or favorable, and is able to power
other processes.



Question 7
pts


What molecule (FADH2, ATP, ADP, or CoA) is shown below?