Biology Terms

4. material or protoplasm within a living cell, excluding the nucleus.
5. of a number of organized or specialized structures within a living cell.
8. minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells
9. central and most important part of an object, movement, or group, forming the basis for its activity and growth.
11. Apparatus/a complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells
13. Wall/the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell.
14. cell lacking a true membrane-bound nucleus
16. the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals.

1. organelle in the cytoplasm of cells that functions in energy production.
2. the smallest structural and functional unit of an organism
3. plastid that contains chlorophyll and in which photosynthesis takes place.
6. organism whose cells contain a nucleus and other organelles enclosed within membranes.
7. slender threadlike structure, especially a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim.
10. Reticulum/a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane
12. organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
15. Membrane/the semipermeable membrane enclosing the cytoplasm of a cell.