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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 pros and cons of photosynthesis?

The Greenhouse Effect in and of it self was not meant to be a bad thing. When the greenhouse gases trap sunlight it makes the earth warmer, great so not everyone freezes to death. The bad side is that due to our excess emissions of greenhouse gases, through cars, factories, etc., the greenhouse effect has been trapping too much heat. Though a pro is new jobs can be created to reduce emissions and the growing seasons would be longer (so good for agriculture), the big problem is global warming, acid rain, an overall imbalance in the environmental systems. The climate change that is inevitably caused by the greenhouse gases is a major con and the whole process can alter everything from the oceans patterns to animal and plant life and in the end humans.

How are the equations for photosynthesis and cellular respiration different?

The overall equation of photosynthesis differs from the reverse of the overall equation of cellular respiration in that sunlight is not needed in the reverse of cellular respiration. Also, chlorophyll need not be present for the latter process.

Which best explains the role of plant pigments in photosynthesis?

Plant pigments, such as chlorophyll, trap sunlight and absorb specific wavelengths of light. These pigments then transfer this energy to the chloroplasts where photosynthesis takes place. During photosynthesis, the energy from sunlight is used to convert carbon dioxide and water into glucose and oxygen.

What gas enters the plant for photosynthesis?

Carbon dioxide is the gas that enters the plant for photosynthesis. It is absorbed through tiny pores on the underside of leaves called stomata and is used by the plant, along with sunlight and water, to produce glucose and oxygen.

Does photosynthesis only happen in a plant cell or a animal cell?

Both types of cells (plant and animal) undergo cellular respiration. This occurs in the mitochondria. However, plants make energy as well by using the sunlight. This, called photosynthesis occurs in the chloroplasts of plants. whic are mostly plant cells

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All cells that are living respire. But plants make energy through photosynthesis because they have somthing the animal cells dont have, chloroplast.

What color is a leaf without chlorophyll?

Yes they have chlorophyll. True plants (as opposed to fungus) have chlorophyll in their leaves. They carry out photosynthesis like any other plant, but other chemicals in the leaves mask the chlorophyll, giving the leaf a non-green hue.

There is also a species of parasitic dodder (Cuscuta europaea) which does not photosynthesize, and depends on other plants for nutrition.

Which waste products of cellular respiration are raleased into the environment and could be used in the process of photosynthesis?

The waste products of cellular respiration are carbon dioxide and water. These products can be used by plants in the process of photosynthesis to produce glucose and oxygen.

Why are broad and thin leaves advantageous for photosynthesis?

The leaf's underneath surface is covered with millions of stomata, for rapid gas exchange. Rapid gas exchange, more carbon dioxide absorbed, more photosynthesis.

Read more: What_are_the_adaptations_of_leaf_for_photosynthesis

What is the reactants in cellar respiration?

The formula for Cellular Respiration is as follows:

O2 + C6H12O6 --> CO2 + H2O + Energy (ATP)

The reactants in the equation are O2 (oxygen) and C6H12O6 (glucose).

In case you need to know, the equation for Photosynthesis is reverse.

What is meant photosynthesis by?

The process in which green plants ,algae, diatoms and certain forms of bacteria make carbohydrates from carbon dioxide and water in the presence of chlorophyll using energy captured by chlorophyll and releasing excess oxygen as a byproduct.

How do photosynthesis happened during night?

Photosynthesis cannot occur at night because it requires sunlight as an energy source. Photosynthesis is the process where plants use sunlight, water, and carbon dioxide to produce glucose and oxygen. At night, plants respire instead, breaking down stored glucose to produce the energy they need for growth and maintenance.

Does photosynthesis occur in lotus leaves?

Yes, photosynthesis occurs in lotus leaves. Lotus leaves, like other green plants, contain chloroplasts where photosynthesis takes place. The process of photosynthesis helps lotus leaves convert sunlight into energy, which is essential for the plant's growth and survival.

Which sequence accurately describes the flow of electrons in photosynthesis?

In photosynthesis, electrons flow from water to photosystem II, then to photosystem I, and finally to NADP+ to produce NADPH. This flow of electrons is facilitated by the electron transport chain within the thylakoid membrane of the chloroplast.

Which molecules are involved in photosynthesis and respiration?

In photosynthesis, molecules involved are carbon dioxide (CO2), water (H2O), and sunlight. In respiration, the molecules involved are glucose (C6H12O6) and oxygen (O2).

What are the equations formed during the process of photosynthesis?

The generalequation for photosynthesis is: : n CO2 + n H2A + photons → (CH2O)n + n O2 + n A : carbon dioxide + electron donor + light energy → carbohydrate + oxygen + oxidized electron donor Since water is used as the electron donor in oxygenic photosynthesis, the equation for this process is: : 2n CO2 + 2n H2O + photons → 2(CH2O)n + 2n O2 : carbon dioxide + water + light energy → carbohydrate + oxygen The overall equation for the light-dependent reactions under the conditions of non-cyclic electron flow in green plants is: : 2 H2O + 2 NADP+ + 2 ADP + 2 Pi + light → 2 NADPH + 2 H+ + 2 ATP + O2

What compound is formed from photosynthesis that stores energy?

Glucose is the compound formed from photosynthesis that stores energy. It is produced by combining carbon dioxide and water with the help of sunlight and chlorophyll in plants. Glucose is a simple sugar that can be broken down to release energy for cellular activities.

What is a organelle that conducts photosynthesis?

Chloroplast is the organelle that conducts photosynthesis in plant cells.

How does a vacuole works in a plant cell?

The vacuole in a plant cell acts as a storage compartment for water, nutrients, and waste products. It helps maintain cell turgidity, regulate cell turgor pressure, and stores important molecules like sugars and proteins. The vacuole also plays a role in maintaining the pH balance inside the cell and can facilitate the breakdown of waste materials.

What in plants capture sunlight and convert it to energy?

Chloroplasts in plant cells capture sunlight and convert it into chemical energy through a process called photosynthesis. Within the chloroplasts, chlorophyll, a pigment that gives plants their green color, absorbs the sunlight and initiates the conversion of carbon dioxide and water into glucose and oxygen.

What part of the cell does a plant use to make its own food?

Plants use chloroplasts to make their own food through a process called photosynthesis. Chloroplasts contain chlorophyll, a pigment that captures sunlight and converts it into energy for the plant to produce glucose.

Is NADP cell energy?

NADP (nicotinamide adenine dinucleotide phosphate) is a coenzyme that plays a vital role in cellular energy transfer processes, specifically in photosynthesis. It acts as an electron carrier, helping to transfer electrons and store energy in the form of an electrochemical gradient. While NADP itself is not a direct source of energy, it is essential for the conversion of light energy into chemical energy in plants.

What the formula of photosynthesis?

6 CO2+ 6 H2O =C6H12O6+ 6 O2

Carbon dioxide + Water + Light energy = Glucose + Oxygen