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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 are the requirements for photosynthesis obtained by the plant?

A plant can obtain the requirements for photosynthesis in two ways. One is through its leaves that absorb the necessary sunlight, and the other is through the roots that take up nutrients the plant needs to be able to complete photosynthesis.

Why is ATP important in photosynthesis?

ATP is important in photosynthesis because it provides the energy necessary to drive the chemical reactions that convert carbon dioxide and water into glucose. Without ATP, the process of photosynthesis would not be able to occur efficiently.

Could photosynthesis occur in a plant on a cloudy day?

Any plant will produce more O2 on a sunny day than a cloudy day, since more sunlight hitting the plant means more energy to produce more oxygen via photosynthesis.

Photosynthesis is a biochemical process that turns sunlight, water, and carbon dioxide into sugar, oxygen, and ATP.

What is an organism that does't use photosynthesis to produce food?

Heterotrophs are organisms that do not use photosynthesis to produce food. They obtain nutrients by consuming other organisms or organic matter. Examples of heterotrophs include animals, fungi, and many types of bacteria.

What is the site of protein photosynthesis?

Protein synthesis occurs in the ribosomes, which are found in both the cytoplasm of prokaryotic cells and on the rough endoplasmic reticulum of eukaryotic cells. The process involves the translation of mRNA into a specific sequence of amino acids to form a protein.

What part of the light reactions of photosynthesis is similar to the oxidation of minerals by chemoautotrophs?

Both processes involve the transfer of electrons through electron transport chains. In the light reactions of photosynthesis, electrons are transferred along the thylakoid membrane, while in chemoautotrophs, electrons are transferred along the cell membrane. This electron transfer generates a proton gradient that is used to drive ATP synthesis in both processes.

How can acid rain affect the rate of photosynthesis?

Acid rain can affect the rate of photosynthesis by deceasing the pH of the soil. As acid rain contains weak sulfuric acid and many more different solvents therefore will decease the pH (8->6). Having the incorrect pH may kill some of the plants tissues therefore limits photosynthesis.

What is the purpose of light reactions?

it includes the passage of electrons along electron transport chain and produces NADPH and oxygen, and the synthesis of ATP. it includes the passage of electrons along electron transport chain and produces NADPH and oxygen, and the synthesis of ATP.

What does 6h2o stand for?

6H2O represents 6 molecules of water. The "6" indicates the number of water molecules present.

What is the major consequence of photorespiration?

it lowers the efficiency of photosynthesis by removing carbon molecules from the Calvin cycle.

Does a granum contain thylakoids?

Yes, a granum is a stack of thylakoid discs found in the chloroplast of plant cells. Thylakoids are membrane-bound compartments where photosynthesis takes place, and they contain chlorophyll molecules that capture light energy for the production of chemical energy.

What is a 9 letter word that is an organisms that use photosynthesis?

The word you are looking for is "plant." Plants are organisms that use photosynthesis to convert sunlight into energy for growth and development.

What are the major events of photosynthesis?

1. processing of carbon dioxide and converting it to organic compounds such as sugar with usage of energy from sunlight.

2. Releasing of waste product in the form of oxygen

tamah po yan :))

What are the raw materials in the dark phase of photosynthesis?

light reaction:

-NADP+

-ADP

-phosphate

-water

dark reaction:

-enzymes like Rubisco, phosphoglycerate kinase, Glyceraldehyde 3-phosphate, Triose phosphate isomerase, Aldolase and Fructose-1,6-bisphosphatase etc

-Ribulose-1,5-bisphosphate (RuBP) a 5 carbon suger which must be recycled

-CO2

-materials made in light reactions like NADPH and ATP

And of course chloroplast

Source(s):http://en.wikipedia.org/wiki/Calvin_cycle

What is a use that CO2 has on nature?

Plants use CO2 during photosynthesis to convert it into oxygen and glucose, which is essential for their growth and survival. CO2 also plays a role in maintaining the Earth's temperature by trapping heat in the atmosphere, contributing to the greenhouse effect.

Which reactant of photosynthesis is reduced?

In photosynthesis, the carbon dioxide molecules are being reduced, while the water molecules are being oxidized In photosynthesis, the carbon dioxide molecules are being reduced, while the water molecules are being oxidized

What occurs during the first stage of photosynthesis?

The first stage of photosynthesis is the light dependent reactions. During this stage, photons excite the electrons that move through Photosystem I, Photosystem II, and the Electron Transport Chain to produce ATP and NADPH. The ATP and NADPH produced in this first step are then used later during the Calvin Cycle.

Why does marram grass have rolled leaves?

Marram grass has rolled leaves to reduce the amount of surface area exposed to the sun and wind, conserving water and preventing desiccation. This adaptation helps the plant thrive in its sandy coastal habitat by minimizing water loss and protecting against harsh environmental conditions.

What role DPIP plays photosynthesis?

DPIP (2,6-dichlorophenolindophenol) is used as an artificial electron acceptor in laboratory experiments to measure the rate of photosynthesis. It acts as an electron carrier, accepting electrons from photosystem I in the light reactions of photosynthesis. By monitoring the reduction of DPIP from blue to colorless, researchers can quantify the rate of electron transfer and ultimately the rate of photosynthesis.

What is a pumhole?

Photosysthesis starts with light (more accurately, light-dependent) reactions to convert light energy into chemical energy, followed by dark (more accurately, light-independent) reactions to fix carbon and generate bio-molecules for metabolism. Photosynthesis is the process by which green plants harness light energy from the sun to convert it to the chemical energy of sugar. Photosynthesis is a process wherein it produces ATP(adenosine triphosphate) from ADP(adenosine diphosphate) and Pi (Inoraganic Phosphate) by using the energy from light to excite electrons that are passed along an electron transport chain. Coupled with the transfer of electrons is the pumping of hydrogen ions and the splitting of water molecules. The process is into two phases: Light dependent phase or photochemical reaction that occurs in the granum and requires the presence of light energy it involves three major events: a. Chlorophyll photoactivation is the capture of light energy by chlorophyll that results in the release of energized elctrons. b. Photolysis is the splitting of water molecules into hydrogen ions, elcetrons and oxygen gas in the presence of light activated chlorophyll. c. Photophosphorylation is the transfer of light energy absorbed by chlorophyll to molecules of ATP, the energy currency of the cell. The following are produced during the light phase: 1. Oxygen gas..from water and released as a gaseous by-product of photosynthesis. 2. NADPH... a hyrogen iom from water and two electrons from chlorophyll 3. ATP...ADP and Pi combined in the presence of energy harnessed by chlorophyll from the sun. Light independent phase involves the use of NADPH and ATP for the conversion of carbon dioxide into carbohydrates...please refer to the Calvin Cycle Photosynthesis ends with the formation of a simple sugar, glucose. Four thingd may happen to this glucose: A. It may be converted to sucrose and transported from the leaves to other parts of the plant. B. It may be converted to starch and stored for future use of the plant. C. It may be utilized to provide the raw materials from which other organic substances needed by the plantmay be synthesized. D. It may be utilized for cellular respiration. .....................................................................END............................................................... GEO KRISTOFF T. MARCOS

What is the site of photosythesis?

leaves.

Photosynthesis takes place in the chloroplasts.They contain photosynthetic pigments

Where in a plant does photosynthesis happen?

Photosynthesis takes place in the chloroplasts which are in a plant's leaves. In the chloroplasts, there are chlorophyll molecules that absorb light energy needed for the photosynthesis process.

What are the raw materials for photosynthensis?

the raw materials for photosynthesis are:

1) carbon dioxide

2) water

3) light