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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

What structure that is found in the thylakoid membrane is important to chemiosmosis?

ATP synthase is the structure found in the thylakoid membrane that is important for chemiosmosis. It is responsible for generating ATP by utilizing the proton gradient created during the photosynthetic electron transport chain.

What do chloroplast need to perform photosynthesis?

Chloroplasts need light energy, water, and carbon dioxide to perform photosynthesis. Light energy is absorbed by chlorophyll to drive the chemical reactions that convert water and carbon dioxide into glucose and oxygen.

How chlorophyll traps sunlight and converts it to chemical energy?

First of all, chloroplasts are what convert the sun into ATP, which is the basic universal form of energy.Chloroplasts are able to capture solar energy to perform photosynthesis, the reduction of carbon dioxide to simple carbohydrates.They contain chlorophyll to allow photosynthesis to occur.Light absorbed by Chlorophyll excites the electrons. Different wavelengths of light excite the electrons by different amounts.

The energy in the 'excited electrons' can be passed from one chlorophyll molecule to another, but in the end it will just be lost as fluorescence (ie the energy will be re-emitted as light), unless the excited electron itself can be ejected from the chlorophyll molecule.This process of electron ejection takes place only in chlorophyll molecules which are specifically held in a special protein complex called a reaction centre.

There are two different sorts of reaction centres in plants. In each of these reaction centres, the ejected electron is transferred to an acceptor molecule, which can then pass it on to a different molecule and eventually the electron(s) can be used to fix carbon dioxide. However, you can't keep on ejecting electrons from these special chlorophyll molecules, electrons must be fed back in to replace those ejected. These electrons come from water, resulting in oxygen being evolved.

So, basically, solar energy excites electrons which bind molecules into useable substances. (ie ATP)

Hope this helped =)

Substance produced by the mint plant in Joseph priestley's experiment?

Oxygen gas was the substance produced by the mint plant in Joseph Priestley's experiment. This discovery led to the understanding of plants releasing oxygen through the process of photosynthesis.

Is temperature a limiting factor for photosynthesis?

Temperature occurs no matter what the size shape or color of the population is, just like hurricanes, wildfires, and earthquakes therefore it is a density-INDEPENDANT limiting factor. Over

Do crinoids do photosynthesis?

No, they don't. Photosynthesis occurs in the chlorophyll of plants.. Crinoids are animals; do be specific, they are enchinoderms. They are closely related to starfish.

Hope this helped!

What materials are needed for light dependent reaction?

For the light-dependent reactions of photosynthesis, materials needed include sunlight, water, chlorophyll, and other pigments, as well as enzymes and other proteins involved in the electron transport chain and ATP synthase. These reactions take place in the thylakoid membranes of chloroplasts.

What is the mitochondria's role in photosynthesis?

Mitochondria are not directly involved in photosynthesis. Instead, they are responsible for generating energy in the form of ATP through cellular respiration, which occurs in the cytoplasm and mitochondria of eukaryotic cells. Photosynthesis takes place in chloroplasts, where light energy is converted into chemical energy in the form of glucose.

Name the gas made in photosynthesis?

Human beings breath in oxygen, and breath out CO2. The plant's leaves, when making photosynthesis, use CO2 and a few other things to make photosynthesis. When finished with making photosynthesis, the leaves release some oxygen, which is the gas we use to breathe. Thus, oxygen is the useful gas made by photosynthesis.

What three elements are the basic building blocks of sugars?

Carbon, hydrogen, and oxygen are the basic building blocks of sugars. These elements combine to form simple sugar molecules like glucose, fructose, and sucrose, which are important sources of energy for living organisms.

How were Priestley's and Ingenhousz' discoveries about photosynthesis related?

Priestley discovered that plants release oxygen in the presence of light, while Ingenhousz found that plants only release oxygen in the presence of both light and green parts of the plant. Together, their discoveries laid the foundation for understanding photosynthesis as the process by which plants use light energy to produce oxygen and convert carbon dioxide into carbohydrates.

An inorganic molecule reguired by green plants for the process of photosynthesis is?

Carbon dioxide (CO2) is the inorganic molecule required by green plants for the process of photosynthesis. During photosynthesis, carbon dioxide is converted into glucose in the presence of sunlight and chlorophyll.

Which gas does photosynthesis produce?

Photosynthesis produces oxygen gas (O2) as a byproduct. During the process, plants and other photosynthetic organisms take in carbon dioxide and water, and in the presence of sunlight, convert these compounds into glucose and oxygen.

Which factors affect the rate of photosynthesis and how?

Factors that affect the rate of photosynthesis include light intensity, carbon dioxide levels, and temperature. Higher light intensity usually leads to faster photosynthesis, as does higher carbon dioxide levels. However, extremely high temperatures can inhibit the process as they can damage the enzymes involved.

How can a tree like the Japanese Maple that has red leaves all year long perform photosynthesis?

It sometimes may have green leaves, or it is totally dependant on minerals from soil!

well, no

If you look at any leaf, they all have pigaments, which is the leafs color.

In biology the other day we performed an experiment called plant pigments. We smushed the leaf on a line that we drew on a peace of filtered paper. Then we put this peace of paper in rubbing alchol. The alchol was at the bottom not touching the leaf yet. Slowly the alchol moved up the flitered paper, the filtered paper was absorbing it. As it did this it pulled the plants pigaments out of the plant. On the line was still red, dark blue. Then farther up was, first, light yellow, yellow, yellow-green, then green. this showed all the pigaments we did this with a green and a red leaf, the same thing happened for both, showing that both leaves have chlorophyll.

In conclusion both red and green leafs have the same pigaments, which help it carry on photosynthesis.

What is the last step of the Calvin cycle?

The last step of the Calvin cycle is regeneration of RuBP (Ribulose-1,5-bisphosphate) using ATP to continue the cycle. This is necessary to replenish the RuBP molecules that are used in the initial carbon fixation step.

Chlorophyll looks like this?

Because the chloroplasts that make chlorophyll are green.

What does a deer give off that would help a plant during photosynthesis?

Deer give off carbon dioxide when they exhale, which can be used by plants in photosynthesis to produce oxygen and sugars.

The alternative pathways of photosynthesis using the C4 or CAM systems are said to be compromises Why?

The C4 and CAM systems are considered compromises because they have evolved in response to specific environmental conditions to enhance photosynthetic efficiency by minimizing water loss and optimizing carbon fixation in suboptimal conditions such as high temperatures or low water availability. While these pathways are more energy-intensive for the plant compared to the traditional C3 pathway, they allow plants to thrive in environments where C3 photosynthesis would be less efficient.

Organic compounds that can be made from the products of the Calvin cycle include what?

Organic compounds such as glucose, starch, sucrose, and cellulose can be made from the products of the Calvin cycle. These compounds are essential for plant growth and serve as energy sources and structural components in plants.

What step of photosynthesis is glucose produced?

Glucose is produced during the Calvin cycle, which is also known as the light-independent reactions of photosynthesis. This process takes place in the stroma of the chloroplasts and requires ATP and NADPH generated during the light-dependent reactions.

One of the two parts of photosynthesis?

One of the two parts of photosynthesis is the light-dependent reactions, which occur in the thylakoid membranes of chloroplasts. These reactions use light energy to split water molecules and produce ATP and NADPH.

How much of solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?

On average, plants are able to convert about 1-2% of the solar energy that falls on their leaves into chemical energy through photosynthesis. The efficiency can vary depending on factors such as the type of plant, environmental conditions, and available resources.

How are carbohydrates used in cellular respiration?

Carbohydrates are broken down into glucose, which is then used in cellular respiration to produce ATP (energy) for the cell. During cellular respiration, glucose is oxidized in a series of reactions to generate ATP through the processes of glycolysis, the citric acid cycle, and the electron transport chain.