BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 8, Problem 11RQ
How many photons does it take to fully reduce, one molecule of NADP+ to NADPH?
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What is the name of the cycle represented by a circle in the diagram? Describe what
happens during the cycle.
ADP
ATP
NADP*.
NADPH
H20
CoH120
FIG. 4.3
So, what is actually produced during the light reaction? Do you know the chemical
equation?
a) 2 H20 + 2 NADP+ + NADP + nPi + hv produce O2 + 2 NADPH + 2 H* + NATP
b) O2 + 2 NADP+ + NATP + hv produce 2 H2O + 2 NADPH + 2 H+ + NADP + nPi
c) 2 H20 + 2 NADP+ + NATP + hv produce O2 + 2 NADPH + 2 H+ + NADP + nPi
d) 2 H20 + 2 NADPH + NADP + nPi + hv produce O2 + 2 NADP+ + 2 H+ + NATP
How many molecules of THF are generated per second if you found your DHFR protein to consume 6 molecules of NADPH per second?
18
1.5
3
6
Chapter 8 Solutions
BIOLOGY 2E
Ch. 8 - Figure 8.6 On a hot, dry day, plants close their...Ch. 8 - Figure 8.16 What is the source of electrons for...Ch. 8 - Figure 8.18 Which of the following statements is...Ch. 8 - Which of the following components is nor used by...Ch. 8 - What two main products result from photosynthesis?...Ch. 8 - In which compartment of the plant cell do the...Ch. 8 - Which statement about thylakoids in eukaryotes is...Ch. 8 - Predict the end result if a chloroplast’s light-,...Ch. 8 - How are the NADPH and GA3P molecules made during...Ch. 8 - Which of the following structures is not a...
Ch. 8 - How many photons does it take to fully reduce, one...Ch. 8 - Which complex is not involved in the establishment...Ch. 8 - From which component of the light-dependent...Ch. 8 - Three of the same species of plant are each grown...Ch. 8 - Plants containing only chlorophyll b are exposed...Ch. 8 - Which molecule must enter the Calvin cycle...Ch. 8 - Which order of molecular conversions is correct...Ch. 8 - Where in eukaryotic cells does the Calvin cycle...Ch. 8 - Which statement correctly describes carbon...Ch. 8 - If four molecules of carbon dioxide enter the...Ch. 8 - What is the overall outcome of the light reactions...Ch. 8 - Why are carnivores, such as lions, dependent on...Ch. 8 - Why are energy carriers thought of as either...Ch. 8 - Describe how the grey wolf population would be...Ch. 8 - How does the closing of the stomata limit...Ch. 8 - Describe the pathway of electi on transfer from...Ch. 8 - What are the roles of ATP and NADPH in...Ch. 8 - How and why would the end products of...Ch. 8 - Why is the third stage of the Calvin cycle called...Ch. 8 - Which part of the light-independent reactions...Ch. 8 - Why does it take three turns of the Calvin cycle...Ch. 8 - Imagine a sealed terrarium containing a plant and...Ch. 8 - Compare the flow of energy with the flow of,...
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- How many molecules of NADPH are needed to fix 1 molecule of carbon dioxide? Group of answer choices: 18 12 3 2arrow_forwardAs one molecule of NADH passes trough the ETS, O 1 molecule of ATP is produced O 2.5 molecules of ATP is produced O 3.5 molecules of ATP is producedarrow_forwardTo which substance does ferredoxin transfer an electron? O photosystem I O photosystem II O NADP+ O NADPHarrow_forward
- Indicate the correct location of each molecule in cyclic photophosphorylation. Not all of the molecules will be used. H20 ATP 02 NADP+ NADPH H+ ADP Reset 2018 McGraw-HEducationarrow_forwardWhich of the following is NOT a product of the light reaction? Carbon dioxide OA. АТР OB. O,. Oxygen NADPHarrow_forwardWhy is it necessary to lyse the chloroplasts? 1.DCPIP passes easily across the intact chloroplast membrane and the thylakoid membrane, so electron transport could not be reliably measured 2.DCPIP passes easily across the intact chloroplast membrane, but can't get into the thylakoid, so electron transport could not be reliably measured 3.DCPIP cannot easily pass across the intact chloroplast membrane, so electron transport across the thylakoid membrane could not be reliably measuredarrow_forward
- In C3 (plants), what does carbon dioxide mix with? Oxaloacetic acid RuBP PEP G3P NADPHarrow_forwardWhich of the following is produced during the light reactions of photosynthesis? C6H12O6 CO2 O2 ADParrow_forwardWhich of the following are the inputs of the light reactions? Choose all that apply. carbon dioxide gas O NADP+ ADP+P oxygen gas АТР water O NADPH sunlightarrow_forward
- Can you please pick the right answer in each parentheses? In photorespiration ["oxygen", "NADH"] is consumed and ["nitrous oxide", "carbon dioxide"] is produced, and requires the activity of ["glycerate dehydrogenase", "the enzyme rubisco"] in the stroma of the chloroplast. Photorespiration ["decreases", "increases", ""] photosynthetic efficiency and is particularly prevalent under conditions of high temperature, found in more equatorial latitudes. Plants in these ecosystems have evolved to alter photorespiration, capturing carbon dioxide in the form of ["phosphoenolpyruvate", "oxaloacetate"] that is then converted to ["malate", "pyruvate"] used to regenerate CO2 and delivered to rubisco in the calvin cycle to achieve carbon fixation.arrow_forwardThe following figure shows two absorption spectra. NAD* is the solid line. NADH is the dashed line. 16 NAD+ 12 NADH 240 280 320 360 Wavelength (nm) What is the wavelength of maximal absorbance of NADH in the 280-360 range? Molar absorbance x 103arrow_forwardPlease help with the complete answer of this question ASAP urgentlyarrow_forward
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