Guanine - Answers Base that pairs with cytosine in RNA
RNA - Answers Nucleic acid responsible for using genetic information to produce proteins
DNA - Answers Nucleic acid built from nucleotides
Z-form helix - Answers DNA structure stabilized mainly by hydrogen bonds
Ribose - Answers Pentose sugar constituent of mRNA
Purines - Answers Bases with one ring and two nitrogen atoms (adenine and guanine)
Pyrimidines - Answers Bases with one ring and one nitrogen atom (cytosine, thymine, and uracil)
Complementary bases - Answers Bases that pair together in DNA (adenine-thymine, guanine-cytosine)
Hydrogen bonds - Answers Type of bonds that hold complementary bases together in DNA
Codon - Answers Set of three sequential nucleotides that encodes for an amino acid
A-form DNA - Answers DNA with a right-handed helix
cAMP - Answers Second messenger in cells, also functions as a protein coenzyme
rRNA - Answers Type of RNA that makes up about 65 percent of ribosomes
Erwin Chargaff - Answers Credited with the conclusion that G and C are present in DNA in equimolar
amounts
Primary sequence of DNA - Answers Written from 5' to 3'
Watson-Crick model - Answers Double helix structure of DNA with parallel strands and base-pairing on
the inside
tRNA - Answers RNA molecule that brings amino acids to ribosomes
Nucleoside - Answers Compound containing an organic nitrogen-containing base and a sugar
Heterocyclic - Answers Type of compound with a ring structure containing at least one heteroatom
Major component of RNA - Answers UMP (uridine monophosphate)
5' end - Answers Indicated by letter B on the molecule
Complementary strands - Answers Nucleotide sequences that form hydrogen-bonded base pairs (A-T, C-
G)