Biology Crossword

2. - an underlying substance or layer.
4. - any organic compound that are fatty acids or derivatives and are insoluble in water.
6. - a single called organism that lacks a nucleus and other membrane - bounded organelles.
8. - a minute particle consisting of RNA and associated proteins found in large numbers in the cytoplasm of living cells.
9. Site - a region on an enzyme that binds to a protein or other substances during a reaction.
12. - a substance produced by a living organism which acts as a catalyst to bring about a certain chemical reaction
13. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
14. membrane - separates the interior of the cell from the outside environment.
15. Acid - a comlex organic substance present in living cells, especially DNA and RNA.

1. - any group of a large amount of organic compounds that includes sugar, starch and cellulose.
3. - any number of a organzed or specialized structures within a living cell.
5. - food consisting of large amounts of proteins and making up one o the main nutritional food groups.
7. - a diverse domain of organisms whose cells have a nucleus.
10. reticulum - a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane
11. -the gelatinous liquid that fills the inside of a cell.