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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 does a leaf obtain its water?

A leaf obtains water through the process of transpiration, where water is absorbed by the roots from the soil and transported to the leaves through the xylem vessels. Once in the leaves, water is used in various metabolic processes and is also lost through small openings called stomata during transpiration.

What is reaction inputs of photosynthesis?

6 carbon dioxide molecules and 6 water molecules.

Why is water on both sides of the equation for photosynthesis?

12 molecules of water are used in the reaction but 6 of them are reformed at the end of the reaction. it is not that 6 of them are used and 6 are given out. all 12 are broken down but only 6 of them are reformed into water at the end.

What do plants give off as a result of photosynthesis?

They produce glucose and oxygen. Oxygen is given off as a gas.

What elements are cycled through the processes of photosynthesis and cellular respiration?

In photosynthesis, carbon dioxide and water are used to produce glucose and oxygen. In cellular respiration, glucose and oxygen are used to produce energy (ATP), carbon dioxide, and water. So, carbon and oxygen are elements that are cycled through both processes.

What is energy conversion and photosynthesis?

Photosynthesis: Photosynthesis is a process that converts carbon dioxide into sucrose, using the energy from sunlight.

Energy conversion: Energy conversion is the process of transforming energy from one form into another. for example Potential energy to Kinetic energy, etc..

What is the role of rubp in photosynthesis?

Rubisco (ribulose-1,5-bisphosphate carboxylase/oxygenase) is an enzyme that plays a key role in photosynthesis by catalyzing the first major step in carbon fixation, where it combines carbon dioxide and ribulose-1,5-bisphosphate to form 3-phosphoglycerate. This reaction helps plants convert atmospheric carbon dioxide into organic compounds that can be used for growth and energy production.

What materials do a plants need to carry put Photosynthesis?

Plants require carbon dioxide, water, and sunlight to carry out photosynthesis. These materials are essential for the process of converting light energy into chemical energy in the form of glucose, which is used as food for the plant.

What are two major products of photosynthesis?

Oxygen (O2) and glucose (C6H12O6)

You can look at the overall reaction of photosynthesis to determine the answer

6CO2 + 6H2O ---> C6H12O6 + 6O2

(reactants) ---> (products)

Where does the carbon dioxide come from for photosynthesis?

The world's estimated population is 7.4 billion. We all breathe out. In our breathing out is carbon dioxide.

The US publisher Ward's estimates there were 1.015 billion motor vehicles in use in the world in 2010, including cars, heavy duty trucks; and buses (but no off-road vehicles or heavy construction equipment). All these machines (and more) on average using just one gallon of gasoline produces 18.07 pounds of carbon dioxide.

About 22.38 pounds of CO2 are produced from burning a gallon of diesel fuel.

Experts estimate there are over three trillion trees on Earth, all of which crave CO2 in photosynthesis.

Experts estimate there are 390,900 TYPES of KNOWN plants, of which approximately 369,400 are flowering. There are thousands of unknown / unidentified species and about 2,000 identified each year. All green plants NEED CO2 for photosynthesis.

According to NCS University, "A tree can absorb as much as 48 pounds of carbon dioxide per year and can sequester 1 ton of carbon dioxide by the time it reaches 40 years old."

As you can see, trees and plants need to be present, alive, and prospering just to keep up with human production of CO2 per day!

Note: These numbers do not include how many trees are cut down each year. It does not include how many plants are destroyed, nor air pollution from slash and burn agriculture.

In what type of organisms does photosynthesis occur?

all plants undergoe photosynsthesis its the reaction to water and carbon dioxide to create oxygen which is essentail to all life

Where do the oxigens atoms in the O2 produced during photosynthesis come from?

The oxygen atoms in O2 produced during photosynthesis come from water molecules (H2O) that are split during the light-dependent reactions in the chloroplasts of plant cells. This process, known as photolysis, releases oxygen as a byproduct.

Why is photosynthesis is important to people and organisms?

Best Answer - Chosen by Voters

Animals and plants both synthesize fats and proteins from carbohydrates; thus glucose is a basic energy source for all living organisms.

The oxygen released (with water vapor, in transpiration) as a photosynthetic byproduct, principally of phytoplankton, provides most of the atmospheric oxygen vital to respiration in plants and animals, and animals in turn produce carbon dioxide necessary to plants.

Photosynthesis can therefore be considered the ultimate source of life for nearly all plants and animals by providing the source of energy that drives all their metabolic processes.

What does photosynthesis allow?

inside each leaf cell are tiny green structures called chloroplasts (KLOR uh plasts). the green color comes from a substance called chlorophyll (KLOR uh fil). chlorophyll captures the energy in sunlight.
Photosynthesis is the process which plants use to produce their own food because they can't just get up and hunt their food like animals. In a plant cell there are little sacks called chloroplast. Inside is where photosynthesis is made. The roots of the plant will suck in water and nutrients in the ground, while the leaves absorb sunlight. Water+Nutrients+Sunlight=Photosynthesis/Food.

Does photosynthesis occur in all living plant cells?

No, many of the plants cells do photosynthesize, but not all the cells are capable of this process. The roots are a good example of non-photosynthetic cells, and you can see this by their pale color which means they have a lack of pigment (the pigment is key in photosynthesis).

Describe three ways a plants leaf is adapted for photosynthesis?

  1. The broad, flat shape of a plant's leaf maximizes the surface area available for absorbing sunlight.
  2. The presence of chloroplasts containing chlorophyll within the leaf cells allows for the absorption of light energy needed for photosynthesis.
  3. The presence of stomata on the leaf surface enables gas exchange, allowing carbon dioxide to enter for photosynthesis and oxygen to exit as a waste product.

What do plants produce during photosynthesis that helps animals?

The equation you can follow is this: 6CO2+6H2O--->C6H12O6+6O2

Plants put in carbon dioxide and water and produce oxygen and glucose. Oxygen is what we breathe in, which then by this we go through cellular respiration and produce carbon dioxide for plant. Glucose can be used by use when we eat the plant or another organism eats it and we consume that organism. We obtain energy this way.

Hope that helped :)

Products of the light reactions of photosynthesis that are required by the dark reactions are?

The products of the light reactions of photosynthesis that are required by the dark reactions include ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate). These molecules carry energy and reducing power to drive the chemical reactions of the Calvin cycle in the dark reactions.

Plants use co2 and sunlight to produce what?

food ; it is glucose and oxygen is released by plants during photosynthesis