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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 is the purpose of embedding the electron transport chain in the membrane of an organism?

The purpose of embedding the electron transport chain in the membrane is to create a proton gradient across the membrane that can be used to generate ATP through chemiosmosis. This process is essential for cellular respiration and energy production in organisms.

Is chloroplast made up of thylakoids?

Yes, chloroplasts are made up of thylakoid membranes. Thylakoids are membrane-bound compartments within chloroplasts where the light-dependent reactions of photosynthesis occur. Multiple thylakoid membranes are stacked together to form structures called grana within the chloroplast.

What is the first carbohydrate found in photosynthesis?

Photosynthesis is a process utilized by plants by absorbing Ultra-Violet rays from the sun. This process creates glucose, also known as sugar, or also known as carbohydrates. So carbs (energy for plants to consume, or food) is created by photosynthesis, not converted or anything like that. Hope this helps, I feel like you just have the wrong words for the right question!

Does Photosynthesis ceases in darkness?

Yes. In darkness, the plant cannot gather light to excite electrons for their light cycle. They are, however, still able to undergo Calvin cycle.

Where does cellular respiration and production of ATP occur?

Cellular respiration and production of ATP occur in the mitochondria of cells. This organelle is responsible for converting nutrients from food into ATP, which is the main energy source for cellular processes.

The Calvin cycle includes?

The Calvin cycle includes three main stages: carbon fixation, reduction, and regeneration of RuBP (ribulose-1,5-biphosphate). During these stages, carbon dioxide is converted into sugars using ATP and NADPH generated from the light reactions of photosynthesis.

How are light and chemical energy related in photosynthesis?

In photosynthesis, light energy is converted into chemical energy in the form of glucose. Light energy is absorbed by chlorophyll in plant cells, initiating a series of chemical reactions that ultimately produce glucose molecules. This chemical energy stored in glucose can be used by the plant as a source of fuel for cellular processes.

Energy is captured for photosynthesis by?

Energy is captured for photosynthesis by pigments called chlorophyll, which are located in the chloroplasts of plant cells. These pigments absorb sunlight and convert it into chemical energy that is used to drive the process of photosynthesis.

Synthesis of carbohydrates occur in the stoma of chloroplast. this process uses energy supplied by?

The synthesis of carbohydrates in the stroma of chloroplasts occurs through a process called photosynthesis, which uses energy from sunlight. This energy is captured by chlorophyll molecules in the thylakoid membranes and converted into chemical energy that drives the formation of carbohydrates from carbon dioxide and water.

Why are the end-products of photosynthesis important to us because they provide us with?

End-products of photosynthesis, such as glucose and oxygen, are important to us because glucose is a source of energy for our cells through cellular respiration, and oxygen is necessary for aerobic respiration, the process that releases energy from glucose. Oxygen is also vital for the survival of many organisms, including humans.

What if humans carried out photosynthesis?

If humans were able to carry out photosynthesis, they would be able to produce their own food using sunlight, water, and carbon dioxide. This could potentially reduce the need for external sources of food and energy. However, it may also have impacts on human behavior, lifestyle, and society as we know it.

Where does a plant get the carbon dioxide that it needs for a dark reaction of photosynthesis?

Plants get the carbon dioxide they need for the dark reaction of photosynthesis from the surrounding air. Carbon dioxide enters the leaf through tiny pores called stomata. Once inside the leaf, carbon dioxide is used in the Calvin cycle to produce sugars and other organic compounds.

Photosynthesis involves the reaction between carbon dioxide and water to produce glucose and oxygen Photosynthesis is an?

Photosynthesis is an essential biochemical process in which plants and some bacteria convert carbon dioxide and water into glucose and oxygen using energy from sunlight. This process is crucial for the production of food and oxygen in the environment.

What cellular process do living things use oxygen for?

Living things use oxygen for cellular respiration, a process that produces energy in the form of ATP. During cellular respiration, oxygen is used to break down glucose and other organic molecules to release energy that cells can use for various functions.

Cellular respiration converts energy from which form to which 2 forms?

During cellular respiration, the energy in glucose is converted, into 40 (38 net) ATP (Adenosine triphosphate) molecules, these are then used to carry out life's functions, such as homeostasis.

Two alternative photosynthesis pathways found in plants?

C4 and CAM are two alternative photosynthesis pathways found in plants. C4 plants have a specialized mechanism to improve CO2 fixation in hot and dry conditions, while CAM plants use a temporal separation of carbon fixation during the night and day to conserve water.

What is sun carbon dioxide water oxygen?

Sunlight helps plants photosynthesize, converting carbon dioxide and water into glucose and oxygen. This process occurs in the chloroplasts of plant cells, using energy from the sun to drive the chemical reactions. Oxygen is released as a byproduct, which is essential for respiration by both plants and animals.

What happens in the mitochondria during cellular respiration?

Yes, cellular respiration involves the mitochondria

Yes. Most of the cellular respiration takes place in mitochondria and the mitochondria membrane. That is probably why the mitochondria are known as the "Powerhouse" of the cell.

In which part of the plant is photosynthesis used and how is it used?

Photosynthesis occurs primarily in the leaves of a plant. Within the leaf, chloroplasts are the organelles responsible for carrying out photosynthesis. Here, light energy is captured by chlorophyll molecules and used to convert carbon dioxide and water into glucose and oxygen.

What is green pigment that absorbs solar energy and is important in photosynthesis?

Chlorophyll is the green pigment which is stored in chloroplasts. This pigment captures the light and gives the chloroplast the green color when looked at under a microscope. Plants also have accessory pigments that absorb different ranges of light. There are pigments in the some species to turn themselves black to attract more light.

Balancing between oxygen and carbon dioxide?

Balancing between oxygen and carbon dioxide means ensuring a healthy exchange of these gases in the body. Oxygen is taken in through respiration and used by cells for energy production, while carbon dioxide is produced as a byproduct and needs to be removed from the body. The lungs help to regulate this balance by facilitating the intake of oxygen and removal of carbon dioxide through breathing.

Can any light make a plant grow?

According to what I have researched most light can make a plant grow, it just depends on the wavelength that the light is flowing. Carl Gelenye has done some work with different wave lengths of light for plants growth and found the violet works the best and blue is the worst.

What is the colour of a leaf when the chlorophyll is removed?

As we know, chlorophyll is what causes the leaf to appear green. From what I know there is a very specific way to extract chlorophyll from leaves.

1. Boil the leaf to kill the cells and arrest all the chemical activity, this also makes it permeable to alcohol and iodine later on.

2. Submerge the leaf in alcohol (ethanol) which is kept in test tube.

3. Put the test tube into the boiling beaker in step one so the alcohol is boiled alone with the leaf in it.

The chlorophyll should be extracted as the alcohol turn green. As for the leafs, they usually only appears lighter than it is originally is, which is VERY light green.

I have never seen a leaf with absolutely no chlorophyll so can't tell you right here.

WARNING: Alcohol in gas form is highly flammable.

According to kinetic and collision theory why does increasing the temperature of the reaction increase the rate of reaction?

Increasing the temperature of a reaction increases the average kinetic energy of the molecules involved. This results in more frequent and energetic collisions between the molecules, leading to a higher probability of successful collisions that result in a reaction. In essence, increasing the temperature increases both the number of collisions and the proportion of collisions that have enough energy to overcome the activation energy barrier.