Summary BCHM 307 Exam Questions and Answers with Explanations (Purdue University)
5 views 0 purchase
Course
BCHM 307 ~Purdue
Institution
BCHM 307 ~Purdue
Ace Your BCHM 307 Exam at Purdue University with this Comprehensive Study Guide!
Are you a Biochemistry student at Purdue University preparing for your BCHM 307 exam? This meticulously crafted study guide is your key to success, providing a wealth of practice questions with detailed explanations...
What is the terminal electron acceptor in aerobic organisms?
Which of the following describes the isomerization of citrate to isocitrate?
converts a tertiary alcohol, which cannot easily be oxidized, to a secondary alcohol that can be oxidized
How many cytochrome c molecules are oxidized by Complex IV for each molecule of oxygen that is
reduced
4
Which of the following occurs when the catalytic subunit of ATP synthase is in the loose state?
ADP and Pi bind
Why is the occasional production of the superoxide radical anion by complex IV of the electron transport
chain problematic?
It is highly reactive and can damage nearby biomolecules.
Which of the following can happen when a photosynthetic pigment absorbs light?
energy is lost as heat
b.
energy is given off as fluorescence
c.
exciton transfer to a neighboring pigment
d.
A bacterial ATP synthase has 9 c subunits whereas a chloroplast ATP synthase has 12 c subunits. Which
will have a higher P:O ratio?
If the reduction potential for NAD+ is -0.315 V and the reduction potential for oxygen is 0.815 V, what is
the potential for the oxidation of NADH by oxygen?
1.13 V
Which of the following is a source of reduced Coenzyme Q?
Complex I
b.
fatty acid breakdown
c.
Coenzyme Q is a _____ molecule that serves as a _____ electron carrier; cytochrome c is a _____
molecule that serves as a _____ electron carrier.
hydrophobic; 2; hydrophilic; 1
, How many protons are moved across the inner mitochondrial membrane by Complex III for each
electron pair transferred?
4
Which of the following transport systems is used in the inner mitochondrial membrane? IMS =
intermembrane space
antiport of ADP from IMS to matrix and of ATP from matrix to IMS
How much energy is contained in a mole of photons with a wavelength of 490 nm?
244 kJ/mol
The cytochromes undergo which of the following oxidation reactions?
Fe2+ → Fe3+
Which of the following is observed in the mechanism of citrate synthase?
an aspartic acid residue acts as a base, deprotonating acetyl-CoA
What part of the chloroplast is the site of the energy-transducing reactions of photosynthesis?
thylakoid membrane
In the malate-aspartate shuttle, _____ is reduced to _____ in the cytosol
oxaloacetate; malate
Complex III accepts electrons from _____ and transfers them to _____.
ubiquinol; cytochrome c
The compound dinitrophenol below was once introduced as a "diet pill". Its use was discontinued
because of fatal side effects. Why did people believe that the compound would be an effective diet aid?
The process of _____ allows electrons to be transferred between redox centers that are up to 1.4 nm
apart.
tunneling
From a metabolic standpoint, with a ∆G°′ of -16.7 kJ/mol, the reaction catalyzed by hexokinase is
considered to be _____.
irreversible
When a reaction is at equilibrium, the ∆G is equal to _____.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TheStudyOwl. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.99. You're not tied to anything after your purchase.
