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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 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.

How does photosynthesis and cellular respiration form a cycle?

The two chemical reactions essentially form a cycle, in that the products of one reaction fuel the other. CO2 and H2O released from cellular respiration reenter the atmosphere and are recycled by photosynthetic organisms, which in turn produce the sugars and oxygen needed for respiration to occur once more.

This is right! :)

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What happens during the light independent phase?

during the light-independent phase of photosynthesis, the plant secretes or wastes some energy by putting it into effect. this is done through the Calvin cycle and glycolysis. the light-independent phase requires glucose which is made during the light-dependent phase. Hope this helps!

What stops photosynthesis?

Well there are a couple things that slow down photosynthesis, so to start off Water is an important factor in photosynthesis if the plant could get no water that could slow down the process directly. However, when water is in short supply, the guard cells close the stomata in order to conserve water. this shutes off the plant's supply of carbon dioxide, slowing down the rate of photosynthesis.

The next one that I'll go into is Carbon dioxide, Experiments have shown that the supply of carbon dioxide also has a direct bearing on the rate of photosynthesis, the more CO2 available the faster photosynthesis occurs, and so I would guess that the opposite would also be true, the less CO2 the slower photosynthesis would occur.

Sunlight is the single most important factor in photosynthesis or the intensity of the sunlight striking the leaf. Plants vary a great deal in the amount of sunlight that they require, some plants may almost stop producing glucose if they are placed in the shade while other plants such as ferns and mosses thrive in the shade, and some plants can actually carry on a small amount of photosynthesis on a clear moonlit night! well I hope that, that answered your Q!

well the answers is falce so you dont have to read oo dis haha.....

What comes first cellular respiration or photosynthesis?

Both Cellular Respiration and Photosynthesis are interdependent. In their chemical formulas:

  • Photosythesis: CO2+H2O yield sunlight O2+C6H12O6
  • Cellular Respiration: O2+C6H12O6 yield ATP CO2+H2O
There are many theories such as the heterotrophic and autotrophic hypothesis. There is also the spontaneous generation theory however that was disproved by Redi and Pasteur. The most accepted origin of life is the heterotrophic theory.
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