Examlex
Which of the following monuments is the oldest?
Mutant Strains
Variants of organisms, typically microorganisms, that have undergone mutations distinguishing them from the parent strain.
Anticodon
A sequence of three nucleotides forming a unit of genetic code in a transfer RNA molecule, corresponding to a complementary codon in messenger RNA.
Molecule
The smallest unit of a chemical compound that can exist, consisting of two or more atoms bonded together.
Hemoglobin
A protein in red blood cells responsible for transporting oxygen from the lungs to the rest of the body.