of Kentucky Questions and Answers.
Biology - Answer the study of life
Organism - Answer any living entity that contains one or more cells
Cell - Answer the most basic structural and functional unit of all organisms. A membrane-
bound structure capable of self-replicating
Plasma membrane - Answer a membrane that surrounds a cell, separating it from the
external environment and selectively regulating passage or molecules and ions into and out of
the cell. AKA cell membrane
Cell theory - Answer the theory that all organisms are made of cells and that all cells come
from preexisting cells.
Prokaryote - Answer a member of the domain bacteria or archaea; a unicellular organism
lacking a nucleus and organelles
Eukaryote - Answer a member of the domain eukarya; an organism whose cells contain an
nucleus, numerous membrane-bound organelles, and an extensive cytoskeleton. May be
unicellular or multicellular. Houses genetic material
DNA - Answer a nucleic acid that carries the genetic information in the cell and is capable of
self-replication. The sequence of nucleotides in DNA determines individual hereditary
characteristics
Ribosome - Answer a complex of RNA and protein that catalyzes the formation of proteins
using messenger RNA as a template (translation)
Protein - Answer a linear chain of amino acids folded into a three dimensional structure,
facilitating biological function. Made up of amino acids
The Genetic Code - Answer set of rules by which information encoded in genetic material is
translated into proteins
Evolution - Answer 1- all organisms are related by common ancestry and they have changed
over time, predominantly via natural selection