What is photosynthesis 2nd grade?
Photosynthesis is the process in which green plants use sunlight to make their own food. Photosynthesis is necessary for life on Earth. Without it there would be no green plants, and without green plants there would be no animals. Photosynthesis requires sunlight, chlorophyll, water, and carbon dioxide gas.
What is CHL photosynthesis?
Chlorophylls (Chl) are natural plant pigments that can absorb sunlight and use its energy to make carbohydrates from CO2 and H2O via the process termed as photosynthesis.
What are the 2 cycles to photosynthesis?
There are two main stages of photosynthesis: the light-dependent reactions and the Calvin cycle. Requires sunlight? Schematic of the light-dependent reactions and Calvin cycle and how they’re connected. The light-dependent reactions take place in the thylakoid membrane.
What is the purpose of photosynthesis I and II?
Photosynthesis converts solar energy into chemical energy to sustain all life on earth by providing oxygen and food, and controlling the atmospheric carbon dioxide.
How do you introduce a lesson to photosynthesis?
Show students a picture of a plant or a live plant and ask them to think about what they already know about plants, particularly that they are living, and living things need food. Have the class brainstorm ideas explaining how a plant gets its food. Record their ideas on the board.
What are the 7 types of chlorophyll?
They are:
- chlorophyll a (also known as α-chlorophyll), with a formula of C55H72O5N4Mg.
- chlorophyll b (also known as β-chlorophyll), with a formula of C55H70O6N4Mg.
- Chlorophyll c1, with a formula of C35H30O5N4Mg.
- Chlorophyll c2, with a formula of C35H28O5N4Mg.
- Chlorophyll d, with a formula of C54H70O6N4Mg.
What are the six types of chlorophyll?
Types of Chlorophyll
- Chlorophyll. The word chlorophyll is derived from the Greek word khloros (green) and phyllon (leaves).
- Type of Chlorophyll.
- Chlorophyll a. This pigment is found in all higher plants.
- Chlorophyll b.
- Chlorophyll c.
- Chlorophyll d.
- Chlorophyll e.
- Chlorophyll f.
What are the functions of photosystem I and photosystem II in plants?
Photosystem I produces NADPH, which is similar in function to the NADH and FADH2 produced by the citric acid cycle. NADPH is an electron carrier that can donate electrons to other compounds and thus reduce them. Photosystem II produces a proton gradient that drives the synthesis of ATP.
How is photosystem II differ from photosystem I?
Chlorophyll A-680 is the active reaction center of photosystem 2. The main difference between photosystem 1 and 2 is that PS I absorbs longer wavelengths of light (>680 nm) whereas PS II absorbs shorter wavelengths of light (<680 nm).
What is the stages of photosynthesis?
Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle. Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH. The Calvin cycle, which takes place in the stroma, uses energy derived from these compounds to make GA3P from CO2.