Exam (elaborations)
BIOC 385 Exam 1 Questions & Detailed Answers
- Course
- BIOC 385
- Institution
- North Dakota State University
BIOC 385 Exam 1 Questions & Detailed Answersd
[Show more]
Content preview
BIOC 385 Exam 1 Questions & Detailed AnswersHow can an unfavorable reaction (delta G prime not > 0) - ANS Link it to a
favorable reaction
Binding of glucose to hexokinase causes a conformational change in the enzyme.
This is an example of the _____ model of enzyme catalysis. - ANS Induced-fit
Select the TWO true statements from the list below regarding the structure and
function of enzymes. - ANS Enzyme cofactors can increase the chemical
functionality of enzymes, which are otherwise limited by the R groups of amino
acids.
Enzymes increase the rates of biochemical reactions without changing the
equilibrium constant.
Shared intermediates are used so effectively in coupled reaction because they.... -
ANS None of these answers are correct.
In the five steps used by photosynthetic organisms to convert solar energy into
chemical energy, which molecules store the solar energy before sugar synthesis? -
ANS ATP and NADPH
What is the overall balanced reaction for the light reactions of photosynthesis? -
ANS 2 H2O + 8 Photons + 2 NADP+ + 3 ADP + 3 Pi -> O2 + 2 NADPH + 3 ATP
, R is the highly active form of an allosteric enzyme and T is the less active form of
enzyme. What would happen to [T]/[R] if substrate concentration is decreased? -
ANS Increase
The O2 generated from photosynthesis is derived from - ANS Water molecules that
directly reduce PSII
The Biosphere 2 project, in Tucson, Arizona, was an experiment involving a large
sealed terrarium with humans and photosynthetic plants living in balance. Why did
the project have to be interrupted after only a few months? - ANS Levels of CO2
rose to dangerous levels.
Which of the following defines the first law of thermodynamics? - ANS Total
amount of energy in the universe is a constant.
The enzyme in the photosynthetic A scheme that catalyzes the PQ cycle, which is
analogous to Complex III and the Q cycle in the mitochondrial electron transport
chain, is... - ANS cytochrome b6f
C4 plants are thought to be more efficient than C3 plants because they... - ANS Can
concentrate the CO2 in chloroplasts and therefore minimize side reactions with
O2.
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 Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now