- What is the formula for photosynthesis?
6Co2 + 6H2O + Light Energy --> C6H12O6 +6O2
- What is photosynthesis?
The conversion of light energy to chemical energy that is stored in sugars or other organic compounds.
-Where does photosynthesis take place?
Plants, animals and certain prokaryotes.
5 Main Facts:
- Plants are photoautotrophs, organism that use lights as a source of energy to synthesize organic substances.
- Decomposers are some heterotrophs consume the remains ofdea organisms by decomposing and feeding on organic litter such as carcasses, feces, and fallen leaves.
- The two stages of photosynthesis are light reaction and Calvin cycle.
- The light reactions use solar power to reduce NADP+ to NADPH by adding a pair of electrons along with an H+.
- The chloroplast uses light energy to make sugar by coordinating the two stages of photosynthesis.
Diagram
The diagram briefly showed the whole process of photosynthesis. To be specific, it shows the main reactants and products of the light reaction and the Calvin cycle as they occurs in a plant cells. Enzymes in the chloroplast and cytosol convert G3P, the product of Calvin cycle, to many other organic compounds.
Summary
Life on Earth is solar powered. The chloroplasts of plants capture light energy from the sun and covert it to chemical energy stored in sugar and other organic molecules. This process is called photosynthesis. Photosynthesis consists of two main stages which are light reaction and Calvin cycle.
The light reaction is a step that convert solar energy into chemical energy. Calvin cycle starts by separating CO2 from the air into organic molecules already present in the chloroplast. In addition, this first step of Calvin cycle into organic compounds is called carbon fixation. Then the Calvin cycle reduces the fixed carbon to carbohydrate by the addition of electrons.
Video
10 Key Terms:
- Autotroph: an organism that obtains organic food molecules without eating other organisms or substances derived from other organisms.
- Heterotroph: an organism that obtains organic food molecules by eating other organisms or substances derived from them.
- Chlorophyll: a green pigment located within the chloroplasts of plants and algae and in the membranes of certain prokaryotes.
- Mesophyll: the ground tissue of a leaf, sandwiched between the upper and lower epidermis and specialized for photosynthesis.
- Stomata: a microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant.
- Stroma: within the chloroplast, the dense fluid of the chloroplast surrounding the thylakoid membrane.
- Thylakoid: a flattened membranous sac inside a chloroplast.
- Photophosphorylation: the process of generating ATP from ADP and phosphate by means of a proton motive force generated across the thylakoid membrane of the chloroplast or the membrane of certain prokaryotes during the light reactions of photosynthesis.
- Wavelength: the distance between the crests of electromagnetic waves.
- Electromagnetic spectrum: the entire spectrum of electromagnetic radiation ranging in wavelength from less than a nanometer to more than a kilometer.
Electromagnetic radiation (EMR) is high frequency radiation that is commonly used in communications technology. It is emitted by cordless phones, mobile phones, phone towers/antennas, TV, FM and AM broadcast antennas, WIFI networks, microwave ovens, televisions and computers and many other sources.
ReplyDeleteElectromagnetic fields (EMFs) are lower frequency signals most commonly associated with the use of electricity. They consist of an electric and a magnetic field and these fields are emitted by all power linewiring, electrical appliances and equipment, televisions, computers, microwave ovens. Electromagnetic emissions have been found to interfere with scientific and medical equipment and with the human body. The potential of this interference to affect human health is a much-debated and highly relevant topic at the present time. Because EMR surrounds us at home, at work and in the environment, is an issue affecting every householder, business, every health professional and local government.
The risk of mobile phone use for children has now been recognised by leading international authorities. The European Parliament, the French Government and Finland's radiation authority are among the latest to call for precautions.
Recent Swedish epidemiological studies confirm that after 2000 hours of cellular phone exposure or a latency period of about 10 years, brain cancer risks rises by 240 percent.
Human DNA hears the different emr frequencies loud & Clear, reacting like a human ear would do to high volume country music. Irradiated cells struggle to protect themselves against this destructive dissonance by hardening their membranes. They cease to receive nourishment, stop releasing toxins, die prematurely & spill micronuclei fragments into a sort of “tunor bank account. A 4 year study conducted by the EU by 12 research groups in 7 European countries found that radiation from cell phones harm body cell & damage DNA
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