Question

Based on your understanding of the process of photosynthesis, what are the strengths and weaknesses of this model?

Answer 1

Answer:

Photosynthesis is arguably the most researched of all plant processes. A dynamic model of leaf photosynthesis that includes each discrete process from light capture to carbohydrate synthesis, e-photosynthesis, is described. It was developed by linking and extending our previous models of photosystem II (PSII) energy transfer and photosynthetic C3 carbon metabolism to include electron transfer processes around photosystem I (PSI), ion transfer between the lumen and stroma, ATP synthesis and NADP reduction to provide a complete representation. Different regulatory processes linking the light and dark reactions are also included: Rubisco activation via Rubisco activase, pH and xanthophyll cycle-dependent non-photochemical quenching mechanisms, as well as the regulation of enzyme activities via the ferredoxin-theoredoxin system. Although many further feedback and feedforward controls undoubtedly exist, it is shown that e-photosynthesis effectively mimics the typical kinetics of leaf CO₂ uptake, O₂ evolution, chlorophyll fluorescence emission, lumen and stromal pH, and membrane potential following perturbations in light, [CO₂] and [O₂] observed in intact C3 leaves. The model provides a framework for guiding engineering of improved photosynthetic efficiency, for evaluating multiple non-invasive measures used in emerging phenomics facilities, and for quantitative assessment of strengths and weaknesses within the understanding of photosynthesis as an integrated process.

Answer 2

The strengths and weakness of the process Photosynthesis

Explanation:

A) Photosynthesis

• Photosynthesis is the means of 'transforming bright energy into a chemical form of energy (glucose) with the deliverance of water and oxygen'.
• In this method, green plants use the daylight and chlorophyll to transform 'carbon dioxide and water into glucose and oxygen'.
• It holds a place in the chloroplast of the petals where the Chlorophyll dye is present.
• Chlorophyll supports the absorption of light from the Sun.

B) Several measures included in the PhotoSynthesis:

• Light absorption.
• Electron transport heading to a reduction of NADP + to NADPH.
• ATP synthesis.
• Change of carbon-dioxide into carbohydrates.

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