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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 are the parts of the chloroplast that photosynthesis takes place in?

Photosynthesis primarily takes place in the thylakoid membrane and stroma of the chloroplast. The thylakoid membrane contains the photosystems responsible for light absorption and electron transport, while the stroma contains the enzymes for the Calvin cycle, where carbon fixation occurs.

Which molecule from the Calvin Cycle is used to replenish the five-carbon sugar RuBP which is used a the beginning of the cycles?

The molecule used to replenish RuBP in the Calvin Cycle is phosphoglycerate (PGA). PGA is converted to RuBP through a series of enzymatic reactions, allowing the cycle to continue and fix more carbon dioxide.

Analogy for chlorophyll?

The skin cells control our bodies skin tone, the Chloroplast controls the leafs color.

What is the first stable product of photosynthesis?

The equation for photosynthesis is below.

6CO2 + 6H2O + light energy >>> C6H12O6 + 6O2

So to answer your question, the main product in photosynthesis is a carbohydrate.

How much of oxygen is produced by photosynthesis?

A full size Douglas fur tree will produce about 260 pounds of oxygen in a year. An oak tree will produce simmilar ammounts, as will most other large trees. Smaller bushes may produce around 20-40 pounds as will grass lawns.

What key compound makes photosynthesis in green plants possible?

Chlorophyll is the key compound that enables photosynthesis in green plants. It is a pigment that absorbs light energy and converts it into chemical energy, which is used to produce glucose and oxygen from carbon dioxide and water.

What wavelengths of light play a role in photosynthesis?

Visible light wavelengths, specifically in the range of 400-700 nanometers, play a crucial role in photosynthesis. These wavelengths are absorbed by chlorophyll and other pigments in plant cells to drive the process of converting light energy into chemical energy.

If the rate of photosynthesis increases as carbon dioxide concentration increases why is the world facing global warming?

The amount of carbon dioxide the plants in the entire world take in is less than the amount of carbon dioxide organisms and human activities produce, so the concentration of carbon dioxide is increasing slowly. Another reason is that as more and more forests are being cleared, there are less trees to take in carbon dioxide for photosynthesis. The third reason is that at a certain concentration of carbon dioxide, the rate of photosynthesis stays constant.

Chemiosmosis in the thylakoid membrane is directly responsible for?

Chemiosmosis in the thylakoid membrane is directly responsible for the generation of ATP during photosynthesis. It involves the movement of protons across the thylakoid membrane to create a proton gradient, which drives the synthesis of ATP by ATP synthase enzyme.

Photosynthesis is a process in which green plants convert to what?

Actually, the green plants don't convert TO anything in photosynthesis. Rather, they convert the light energy given off by sun light into glucose (energy).

Describe what can happen to PGAL molecules made in the Calvin cycle?

PGAL molecules made in the Calvin cycle can be used to regenerate RuBP (ribulose-1,5-bisphosphate) for further carbon fixation, or they can be converted into glucose and other carbohydrates through a series of enzyme-catalyzed reactions. These carbohydrates can be used for energy production, stored as starch, or converted into other biomolecules needed by the plant.

What is the green pigment in plants essential for photosynthesis called?

The green pigment in plants essential for photosynthesis is called chlorophyll. Chlorophyll captures light energy and uses it to convert carbon dioxide and water into glucose and oxygen during the photosynthesis process.

How is respiration a affect of people?

Respiration is a vital process in which humans intake oxygen and release carbon dioxide. It supplies oxygen to our cells for cellular respiration, producing energy. Problems like asthma or respiratory infections can affect breathing and overall health.

What is necessary for photosynthesis to occur?

For photosynthesis to occur, the plant needs an organelle called the chloroplast. The components are carbon dioxide, light energy, and water.

Reactants for photosynthesis:

1. CO2 - Carbon dioxide

2. light energy also known as sunlight

3. H2O - Hydrogen

Oxygen however can be considered a "waste" to plants (it can be mistaken as an intake for the process) because it produces carbohydrates for energy, yet releases oxygen into the atmosphere.

Products of photosynthesis

C6H12O6 - Carbohydrates

O2 - Oxygen

On the contrary animals, or humans need that oxygen and carbohydrates to produce carbon dioxide (the waste) and water. Instead of photosynthesis animals use cellular respiration.

How are the chemical products of the light trapping reactions coupled to the synthesis of carbohydrates?

Basically, the light-trapping reactions trap sunlight within them. The products of these reactions are glucose and chlorophyll. These products are coupled to the synthesis of carbohydrates because when carbohydrates are synthesized, glucose is created. Both reactions have a product of glucose. This is how they are related/coupled.

What layer slows down water loss from a leaf?

The cuticle, which is a waxy layer on the surface of leaves, helps to slow down water loss by acting as a barrier that prevents excessive evaporation. It also helps to protect the leaf from environmental stressors such as high temperatures and extreme weather conditions.

What reaction is high energy sugars produced?

High energy sugars, such as glucose, are typically used in a reaction known as cellular respiration. This process occurs in cells to generate ATP, which is the main energy source for cellular activities. During cellular respiration, glucose is broken down in the presence of oxygen to produce carbon dioxide, water, and ATP.

What substance is restored to air by photosynthesis?

Oxygen is restored to the air as a byproduct of photosynthesis. During photosynthesis, plants absorb carbon dioxide and water and convert them into glucose and oxygen through the process of photosynthesis.

What is necrophelia?

necrophilia nec·ro·phil·i·a (něk'rə-fĭl'ē-ə)

n. # An abnormal fondness for being in the presence of dead bodies. Also called necromania. # Sexual contact with or erotic desire for dead bodies. {dictionary.com}

Is water produced in photosynthesis?

During photosynthesis water and carbon dioxide (in the presence of chorophyll and sunlight) interact to produce carbohydrates and oxygen, so water is definitely used in thye chemical reaction we call photosynthesis. Water is also used in another sense, as the medium in which the chemicals are dissolved for this reaction to occur.

Respiration, on the other hand, releases water and carbon dioxide into the air.

As carbon dioxide gas in the?

Atmosphere increases, it traps more heat from the sun, leading to global warming and climate change. This can result in rising temperatures, melting ice caps, and more extreme weather events. Reducing carbon dioxide emissions is crucial to mitigate these effects.

The complete breakdown of glucose to carbon dioxide and water with the result of 36 ATP molecules?

This process is known as aerobic respiration, which occurs in the presence of oxygen. It involves glycolysis, the citric acid cycle, and the electron transport chain to produce a total of 36 ATP molecules from one molecule of glucose. This is the most efficient way for cells to generate energy.

The basic raw materials of photosynthesis are?

The basic raw materials of photosynthesis are water and carbon dioxide. These are used by plants, along with sunlight, to produce glucose and oxygen as a byproduct.

Plants are exposed to red blue and yellow wavelengths of light and the amount of oxygen produced during photosynthesis What can you sugest for a control group?

For a control group, you can expose the plants to white light which consists of all visible wavelengths. This will allow you to compare how the plants respond to this balanced light source compared to the specific red, blue, and yellow wavelengths.