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NAU BIO 181 Final (Schonauer)- Questions & Answers
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NAU BIO 181 Final (Schonauer)-Questions & Answers
Why are plants green? Correct Ans-because of blue and red wavelengths
What does the Calvin Cycle do? Correct Ans-Make sugar
What is Pheophytin Correct Ans-the first electron acceptor
Plastoquinone (PQ) Correct Ans-Donates e- to Electron Transport Chain
What is the purpose of the Electron Transport Chain? Correct Ans-Gradient
The chemiosmotic process in chloroplasts involves the establishment of a Correct Ans-proton
gradient
Photosystem I Correct Ans-•absorbs light
•gets accepted by ferredoxin
•donates e- to NADP+
NADP+ is the Correct Ans-final e- acceptor
What is the product of Photosystem I? Correct Ans-NADPH
What is the product of Photosystem II? Correct Ans-ATP
,Plastocyanine (PC) Correct Ans-donates to photosystem I, which is the only was photosystem
I can work
Angry photosystem II attacks water and breaks it apart, what is the byproduct? Correct Ans-
O2
What is the link between photosystem I and II? Correct Ans-PC
In the z-scheme, what is the initial e- donor? Correct Ans-water
In the z-scheme, what is the final e- acceptor? Correct Ans-NADP+
What is the main purpose of light-dependent reaction of photosynthesis? Correct Ans-To
produce NADPH and ATP
How many phases are in the Calvin Cycle? Correct Ans-3
1.) Fixation Phase
2.) Reduction Phase
3.) Regeneration Phase
Pigments are located in? Correct Ans-photosystem I and II
Thylokoid Lumen Correct Ans-Inside, like a pancake
Chloroplast stroma Correct Ans-outside
,What is the purpose of the Calvin Cycle? Correct Ans-To convert CO2 to a carbohydrate
Where is the calvin cycle? Correct Ans-in the stroma
Carbon in CO2 during the Calvin Cycle is? Correct Ans-Reduced (redox reaction)
Three turns of the calvin cycle makes 3 molecules of CO2 and generates how many molecules of
G3P for making sugar? Correct Ans-One
What fixes carbon? Correct Ans-Rubisco
Glucose is a Correct Ans-monosacharide
Fructose and glucose are Correct Ans-disaccharide
Glucose as a chain is a Correct Ans-startch
At night Correct Ans-sucrose travels around the plant where it needs energy
during the day Correct Ans-sucrose gets stored into a startch
CO2 gets reduced into Correct Ans-G3P
Photosynthesis uses CO2 to produce Correct Ans-O2
Respiration uses O2 to produces Correct Ans-CO2
, No light Correct Ans-•No photosynthesis
•All respiration
Dim Light Correct Ans-•equal photosynthesis and respiration
•O2 and CO2 cancel each other out
Bright Light Correct Ans-•More photosynthesis than respiration
The primary biochemical of the outcome of the activity of photosystem I is to Correct Ans-
Reduce NADP+
During photosynthesis which is a following reaction? Correct Ans-Light energy is used to raise
the potential energy of electrons
Respiration Correct Ans-glucose and oxygen
RNA goes up to? Correct Ans-tertiary
Steroids are Correct Ans-rings
Chromosomes are not condensed in Correct Ans-interphase
chromosomes split apart during Correct Ans-anaphase
amino acids are connected by Correct Ans-peptide bonds
what are spliced together? Correct Ans-exons
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