How much energy is contained in a mole of photons with a wavelength of 490 nm?
a. 127 kJ/mol
b. 2.4 × 105 kJ/mol
c. 244 kJ/mol
d. 2.4 × 10-4 J/mol
e. 4.1 × 10-19 J/mol - Answer c. 244 kJ/mol
How much energy is contained in a mole of photons with a wavelength of 490 nm?
a. 127 kJ/mol
b. 2.4 × 105 kJ/mol
c. 244 kJ/mol
d. 2.4 × 10-4 J/mol
e. 4.1 × 10-19 J/mol - Answer c. 244 kJ/mol
Which of the following describes the isomerization of citrate to isocitrate?
a. a major regulatory step for the citric acid cycle
b. converts a tertiary alcohol, which cannot easily be oxidized, to a secondary alcohol
that can be oxidized
c. an oxidation reaction
d. protects cells from the toxic effects of arsenite ions
e. the only unnecessary step of the citric acid cycle - Answer b. converts a tertiary
alcohol, which cannot easily be oxidized, to a secondary alcohol that can be oxidized
Why is the occasional production of the superoxide radical anion by complex IV of the
electron transport chain problematic?
a. It significantly reduces the efficiency of electron transport because of waste of
oxygen.
b. It is a feedback inhibitor of Complex I that inhibits the entire electron transport chain.
c. It is highly reactive and can damage nearby biomolecules.
,d. It is a potent uncoupler that prevents ATP synthesis - Answer c. . It is highly reactive
and can damage nearby biomolecules
What part of the chloroplast is the site of the energy-transducing reactions of
photosynthesis?
a.
stroma
b.
thylakoid membrane
c.
chloroplast inner membrane
d.
thylakoid lumen
e.
chloroplast outer membrane - Answer b.
thylakoid membrane
Which of the following transport systems is used in the inner mitochondrial membrane?
IMS = intermembrane space
a.
symport of ATP and Pi from IMS to matrix
b.
antiport of ADP from IMS to matrix and of ATP from matrix to IMS
c.
antiport of ADP from IMS to matrix and Pi from matrix to IMS
d.
, antiport of ATP from IMS to matrix and of ADP from matrix to IMS - Answer b.
antiport of ADP from IMS to matrix and of ATP from matrix to IMS
The cytochromes undergo which of the following oxidation reactions?
a.
Fe3+ → Fe2+
b.
Fe2+ → Fe3+
c.
Cu2+ → Cu1+
d.
Cu1+ → Cu2+
e.
Fe0 → Fe2+ - Answer b.
Fe2+ → Fe3+
Which of the following occurs when the catalytic subunit of ATP synthase is in the loose
state?
a.
ATP is released
b.
ATP is hydrolyzed
c.
ADP and Pi are released
d.
ADP and Pi are converted to ATP
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 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 Examsplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.36. You're not tied to anything after your purchase.
