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(show all your works and measure that you answer all questions for part a to part b below. Sorry for long questions, but I give thanks to anyone who can help me)

Note: Please respond to all questions for part a to part b below. Thank you

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Jarrod Robel
Jarrod RobelLv2
30 Apr 2019
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Related questions

The following 9 steps in the linear (or noncyclic)electron flow of the light reactions in photosynthesis are inrandom order. Indicate the correct chronological order.

(Please note, do not rely on the step numbersprovidied in your textbook. The order is the same, but some stepsbelow may be combined or split relative to how the textbook numbersthe steps.)


Oxygen is formed as anendproduct. Answer836142579
An electron is transferedfrom an electron transport chain from photosystem II to photosystemI's primary electron acceptor. Answer328547691
NADP+ is reducedto NADPH. Answer167483259
An electron is transferredfrom photosystem II to the primary electron acceptor. Answer284175396
Electrons are passed fromphotosystem I through an electron transport chain. Answer312487569
A photon of light excitesphotosystem II. Answer846925731
ATP is synthesized as theelectrons pass through an electron transport chain to photosystemI. Answer861243597
A water molecule is split,the electrons are transferred to photosystem II. Answer578143269
A photon of light strikesphotosystem I, an excited electron is transferred to the primaryelectron acceptor. Answer276135849

Photosynthesis (Ch 8)

  • List the locations of the light reactions & the Calvincycle within the chloroplast and identify location on adiagram
  • Use the absorption spectrum of a pigment to identifywavelengths absorbed and reflected by that pigment
  • Describe the events of the light reactions including:
  • Excitation of electrons vs donation of electrons
  • Pathway of excited electrons through photosystem II, firstelectron transport chain, photosystem I and 2nd electrontransport chain
  • Sources of electrons in photosystems I and II
  • ATP production using energy from an electron transportchain
  • List the products of the light reactions
  • Explain the indirect role of light reactions vs direct role ofCalvin cycle reactions in sugar production
  • Describe Calvin cycle events
  • Carbon fixation
  • Regeneration of CO2 acceptor molecule (RuBP)
  • Explain the function of the Calvin cycle in plant cellularmetabolism
  • Compare & contrast electron transport and ATP synthesisbetween cellular respiration and photosynthesis

Photosynthesis

Light Reactions:

Photosynthesis is the process of reducing/oxidizing (circle one) _____________________ to produce ___________________. This overall reduction-oxidation reaction requires _________________ to begin the flow of __________________. Photosynthetic ____________________ absorb light energy and are located in ___________________ found embedded within the membranes of __________________. The most prevalent one include the ___________________ which reflect ________________ light and absorb the other wavelengths of light. Accessory pigments include ___________________. When light energy is absorbed in photosynthesis, electrons of pigment molecules become _________________ and move into higher potential energy _______________. When the electrons return to their previous position, _____________ is passed to the ______________________ pigment molecule. Electrons within this pigment molecule move to a high potential energy state and are Γ’Β€ΒœgrabbedҀ by _________________________ chains. Electrons from photosystem II are passed to ______________________. Electrons from photosystem I are passed to _________________. As electrons move in the electron transport chain associated with photosystem I/II (circle one), the energy released is used to power ___________ pumps and __________ is produced via a process known as ________________________. Photosystem I/II (circle one) electrons must be replaced to continue the reaction so ____________ is split for its electrons. The products _______________ & _______________ then proceed to the ______________________ cycle.

Calvin Cycle:

The Calvin Cycle can be broken into 3 main series of reactions. In the first group, known as the __________________ step, ______________________ combines with 3 molecules of ____________________ to form 6 molecules of _____________________. This reaction is catalyzed by ___________________. ________________ can act as a competitive inhibitor of this enzyme, shutting down this step in a process known as ______________________________. In the second series of reactions known as the __________________ steps, the molecules produced in the previous step get oxidized/reduced (circle one). The source of electrons is _________from the light reactions. This step is endergonic/exergonic (circle one) and thus requires _______ from the light reactions. Six molecules of _____________________ are produced, ______ (#) of which will continue in biosynthetic pathways to produce __________________. The remaining molecules will then enter the ______________________ steps which require _____________ from the light reaction. In this step, 3 molecules of _______________ are produced so that this cyclic reaction can continue.

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