Adenine: One of the four nitrogen-containing bases occurring in nucleotides, the building blocks of the organic macromolecule group known as nucleic acids (DNA and RNA). Adenine is also the base in the energy carrying molecule ATP (adenosine triphosphate) which is the energy coin of the cell.

 

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Adenine: One of the four nitrogen-containing bases occurring in nucleotides, the building blocks of the organic macromolecule group known as nucleic acids (DNA and RNA). Adenine is also the base in t . . . View Full Definition

Adenine (A): A nitrogenous base, one member of the base pair a- t (adenine- thymine).

N-6 Furfuryladenine: Also known as Kinetin.

Nicotine Adenine Dinucleotide Phosphate (NADP): A substance to which electrons are transferred from photosystem I during photosynthesis; the addition of the electrons reduces NADP, which acquires a hydrogen ion to form NADPH, which is a s . . . View Full Definition

Nitrogenous Base: A nitrogen-containing molecule having the chemical properties of a base. Dna contains the nitrogenous bases adenine (a), guanine (g), cytosine (c), and thymine (t).

Thymine (T): A nitrogenous base, one member of the base pair a- t (adenine- thymine).

Uracil: The pyrimidine that replaces thymine in RNA molecules and nucleotides.

Deoxyribonucleic Acid (DNA): A nucleic acid composed of two polynucleotide strands wound around a central axis to form a double helix; the repository of genetic information. Nucleic acid that functions as the physical c . . . View Full Definition

Nucleotide: A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions. Nucleotides consist of a five-carbon sugar, a heterocyclic . . . View Full Definition

Base Pair (BP): Two nitrogenous bases (adenine and thymine or guanine and cytosine) held together by weak bonds. Two strands of dna are held together in the shape of a double helix by the bonds between base pairs.