Biology Vocab Chapter 8.1-8.3
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- Our lesson today begins with Autotrophs and Heterotrophs. Autotrophs are organisms that make their own food. While Heterotrophs are organisms that obtain energy from the foods they consume. Now could one of you tell me the definition of ATP and photosynthesis.
- ATP stands for adenosine triphosphate and it is one of the principal chemical compounds that living things use to store energy.
- Photosynthesis is the conversion of water and carbon dioxide into oxygen and high energy carbohydrates with the help of sunlight energy.
- How are pigments related to chlorophyll?
- A pigment is any light absorbing molecule and Chlorophyll is the pigment used in plants to collect red and blue wavelength light while reflecting green light which gives leaves their color.
- Very good Miles, but next time please wait for me to call on you.
- Next subject, Thylakoids. A Thylakoid is the saclike photosynthetic membrane found in chloroplasts. The area outside the thylakoid membranes where the Calvin Cycle takes place.
- NADP+ is a carrier molecule that accepts and holds two high energy electrons along with an H+ ion which converts it into NADPH. Light dependent reactions are reactions that require light, they use energy from sun light to produce ATP and NADPH. Near the end of the light dependent reactions ATP Synthase becomes important. ATP Synthase is a protein that allows H+ ions to pass through it, this causes the rotation of the protein which binds ADP to a phosphate group, thus creating ATP
- And then the Calvin cycle happens after the light dependent reactions and it builds high energy compounds that can be stored for a long time.
- Exactly, someone finished their reading worksheet.
- By: Daniel DuVernay
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