test on ch3 sections 1-4
Order by
13 terms
Terms | Definitions |
|---|---|
 chlorophyll | the green pigment in plants that can absorb the sun's energy |
| compound | a substance made by combining two or more elements |
| fermentation | an energy releasing process that does NOT require oxygen |
| enzymes | the type of proteins that speed up chemical reactions, such as in digestion |
| water | the most common compound in living things |
| amino acids | the smaller molecules that are the building blocks of proteins |
| proteins | the type of organic compound that meat, beans, nuts contain alot of |
| carbon | element found in all organic compounds |
| selectively permeable | a membrane that allows some substances to pass through but not others |
| element | a chemical substance that cannot be broken down into simpler substances |
| nucleic acids | DNA and RNA are examples of this type of organic compound in organisms |
| carbohydrates | sugars and starches are examples |
| lipids | the type of organic compound that stores the most energy |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.