GUIDE COMPLETE SOLUTIONS VERIFIED
◉ base pair. Answer: two nitrogenous bases connected with
hydrogen bonds
◉ enhancer. Answer: a region of DNA that can increase the
expression of a gene
◉ exon. Answer: the sections of a gene that actually get expressed as
an mRNA segment
◉ gel electrophoresis. Answer: using electricity to separate
molecules on a gel slab
◉ gene therapy. Answer: process of correcting DNA codes that cause
genetic diseases and disorders
◉ transcription factors. Answer: molecules that bind to regulatory
regions to affect the expression of a gene
◉ media. Answer: source of nutrients, in liquid or solid form, for
growing cell cultures
, ◉ operon. Answer: a region on prokaryotic DNA where one or more
genes and their controlling elements are located
◉ transformation. Answer: when cells take up foreign DNA and start
expressing it
◉ vector. Answer: a DNA molecule that is used as a vehicle to carry
foreign pieces of DNA into a cell
◉ What is polyacrylamide used for?. Answer: separating proteins,
vertical gel boxes, separating smaller molecules
◉ What is agarose used for?. Answer: horizontal gel boxes,
separating large molecules
◉ codon. Answer: a three-letter nucleotide code that indicates a
particular amino acid
◉ cofactor. Answer: a molecule or atom required by an enzyme in
order to function
◉ epitope. Answer: a specific region on an antigen where an
antibody will bind