Essential Cell Biology: Chapter 5 Questions and Answers 2023

DNA - -Double stranded polynucleotide formed from two separate chains of covalently linked deoxyribonucleic units. It serves as the cell's store of genetic information that is transmitted from generation to generation. -Double Helix - -The typical structure of a DNA molecule in which the two complementary polynucleotide strands are wound around each other with base pairing between the strands. -Base Pair - -Two complementary nucleotides in an RNA or DNA molecule that are held together by hydrogen bonds. -Complementary - -Describes two molecular surfaces that fit together closely and form noncovalent bonds with each other. -Genetic Code - -Set of rules by which the information contained in the nucleotide sequence of a gene and it corresponding RNA molecule is translated into the amino acid sequence in a protein.