Biology Terms

2. group of one or more populations of an organism or organisms seen by taxonomists to form a unit.
3. powerhouse of the cell
4. organelle in the cytoplasm of eukaryotic cells containing enzymes that clean up decaying matter enclosed in a membrane.
5. bond/a covalent bond formed by joining the carbon group of one amino acid to the amino group of another.
6. RNA molecules that carry amino acids to the ribosome for polymerization into a polypeptide.
9. process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
11. living organisms, usually one-celled, that can be found everywhere.
14. a portion of the DNA code to other parts of the cell for processing.
16. cell/a cell that contains an endoplasmic reticulum and specialized organelles not present in prokaryotes, especially mitochondria, Golgi bodies, and lysosomes.
17. smallest particle in a chemical element or compound that has the chemical properties of that element or compound.
19. relationship between two organisms where one benefits, and the other is harmed.
20. cell/an undifferentiated cell of a multi-cellular organism that is capable of giving rise to indefinitely more cells of the same type.

1. acid, is defined as a nucleic acid that contains the genetic code.
7. division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus.
8. acids/large molecules made from monomers known as nucleotides.
10. electrons from electron donors to electron receptors across a membrane.
12. relations and interactions between organisms and their environment.
13. apparatus/vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport.
15. for ribonucleic acid. The nucleic acid that is used in key metabolic processes for all steps of protein synthesis in all living cells.
18. acid/any of a class of organic compounds that contains at least one amino group.