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Photosynthesis

This category is for questions about the chemical process in which autotrophic organisms use sunlight, carbon dioxide and water to make glucose, water and oxygen. This process is vital to life and is of great importance in biology.

6,415 Questions

How do plants convert food back into energy?

Plants convert food back into energy through a process called cellular respiration. During this process, plants break down sugars and other organic molecules to release energy that is used for growth, maintenance, and reproduction. The energy is stored in molecules like ATP, which serves as the energy currency for the plant cells.

What structures do light-independent reactions of photosynthesis take place?

Light-independent reactions take place outside the thylakoids, in the stroma. The stroma is the fluid part of the chloroplast. The thylakoids are an abundance of saclike photosynthetic membranes.

Why is a heat filter used for photosynthesis?

A heat filter is used to regulate the temperature during photosynthesis to optimize enzyme activity and biochemical reactions. Photosynthesis can be affected by extreme temperatures, so a heat filter helps to maintain an ideal temperature range for efficient photosynthetic processes.

How respiration and photosynthesis are opposite from each other?

Photosynthesis is when plants absorb things to create food, and respiration is when the food is used to create energy. Let me show you:

Equation for Photosynthesis:

Carbon dioxide + Water (goes to) or = Glucose + Oxygen

Equation for Respiration:

Glucose + Oxygen (goes to) or = Carbon dioxide + Water + Energy

Is fermentation a form of respiration or photosynthesis?

No; fermentation is an alternative metabolic pathway to respiration, not photosynthesis. Both processes (photosynthesis and respiration) have alternative pathways depending on conditions.

What are the ending molecules of light dependent reaction?

The end products of the light-dependent reactions in photosynthesis are ATP, NADPH, and oxygen. These molecules are formed through the conversion of light energy into chemical energy, which is then used in the Calvin Cycle to produce sugars.

How does cloudy weather affect photosynthesis?

Definitely...but to a lesser extent, it would get very little light but yes it would get some Plants gather sunlight on cloudy days as well as sunny days!

What is the events of the Calvin cycle?

The Calvin cycle is a series of biochemical reactions that take place in the stroma of chloroplasts during photosynthesis. It involves three main stages: carbon fixation, reduction, and regeneration of RuBP. In these steps, carbon dioxide is converted into glucose using energy from ATP and NADPH produced during the light reactions of photosynthesis.

What is the answer to the product of photosynthesis?

this is were yhu blend in with something eles like ex:Lizard can blend in to things when in gets frihten.

What is the role of atp sythase in photosynthesis?

The hydrogen ions pumped across the innermembrane into the thylacoid space fall down the electrochemical gradient through the ATP synthase where ADP is phosphorylated into ATP which is then used in the Calvin cycle rearrangements of carbon fixed intermediates to produce the gyceraldehyde-3-phosphate sugar the plants need.

Simplified explanation.

Does a flower make food for a plant?

No, a flower is primarily responsible for reproduction in plants. Food is made by the plant's leaves through the process of photosynthesis, where they convert sunlight, water, and carbon dioxide into energy in the form of sugars.

Is nadph formed during the Krebs cycle?

Definitely! Per ever glucose that passes through cellular respiration, 6 NADH are produced during the Krebs Cycle.

(Precisely, 3 NADH are produced per turn of the Krebs Cycle and 1 glucose molecule causes the Krebs Cycle to turn twice. Therefore, 2 turns * 3 NADH per turn = 6 NADH)

What are the advantages of using the enzymatic method for the determination of blood glucose?

Simply put, the enzymatic method ( eg. glucose oxidase and hexokinase etc.) is the best method for blood glucose concentration because of its specificity. This yeilds maximum specificity for glucose estimation even in a comlpex mixture.

Sherry-Ann Ramnarine-Phillips

What is an equation for the overall process of photosynthesis?

Carbon dioxied + water --(Light)--> sugar + oxygen

6CO2 + 6H2O --(Light)--> C6H12O6 + 6O2

If you draw it put the light on top of the arrow

This is the basics I hope this is what you wanted.

Can plant carry out photosynthesis using artificial light?

Plants cannot make photosynnthesis it is the process of making food. But a plant could make food with torchlight as long as it has soil and the nutrients it needs to survive aswell. It may not grow properly though. Why don't you try an experiment to conclude I am right.

What are the light dependent reactions of photosynthesis also called?

Xeroderma Pigmentosum.

this is a rare pigmentary and atrophic autosomal recessive disease in which extreme cutaneous sensitivity to ultraviolet light results from an enzyme deficiancy in the repair of DNA damaged by ultraviolet light. it begins in childhood, with early development of excessive freckling, telangiectases, keratomas, papillomas, and malignancies in sun-exposed skin, severe opthalmologic abnormalities, and, in some cases, neurological disorders.

What side of the thylakoid membrane is the Ph the lowest?

The pH is lowest on the lumen side of the thylakoid membrane during photosynthesis. This is because protons are pumped into the thylakoid lumen as part of the electron transport chain, creating an acidic environment that helps drive ATP production through chemiosmosis.

Why is the sun light in the photosynthesis equation above the arrow?

Photosynthesis is a group of chemical reactions happening in sequence. The arrows represent the chemical reaction, where the reactants are on one side and the products are on the other. In the case of photosynthesis, the products of one reaction then react once again to form new products.

Do stomata trap sunlight for photosynthesis?

No, stomata do not trap sunlight for photosynthesis. Stomata are tiny pores on the surface of leaves that regulate gas exchange, allowing carbon dioxide to enter the leaf and oxygen to exit. Photosynthesis occurs in specialized cells within the leaf called chloroplasts, where sunlight is absorbed by chlorophyll to produce sugars.

What are the seven steps in light dependent reactions?

  1. Absorption of light by chlorophyll molecules.
  2. Water splitting to release oxygen, electrons, and protons.
  3. Electron transport chain to generate ATP and NADPH.
  4. Reduction of NADP+ to NADPH.
  5. ATP and NADPH used in the Calvin cycle to produce glucose.
  6. Regeneration of ADP and NADP+ for reuse in the light reactions.
  7. Release of oxygen as a byproduct of water splitting.