B.6AB DNA
Picture Vocabulary
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Phosphate
An element that is found as part of the
structural components of a nucleotide
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Deoxyribose
A five carbon sugar found as part of the
structural components of a nucleotide of
DNA
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Covalent Bond
A chemical bond in which a valence
electron is shared between two atoms; very
strong bond found between the molecules of
nucleotides
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Hydrogen Bond
A chemical bond formed between an atom of
hydrogen and an electronegative atom such as F,
N, or O; a weak bond found between the nitrogen
bases of the DNA molecule
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Nitrogen Base
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A nitrogen containing molecule with basic
properties that is found in nucleic acids;
adenine, cytosine, guanine, thymine, and
uracil
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Gene
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A segment of DNA nucleotides that code for
a specific protein to be produced and leads
to the expression of a hereditary trait or
characteristic
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Allele
All of the possible forms of a gene that can
occur in an individual
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Double Helix
Two cork screw shaped strands that connect to
each other by hydrogen bonds; forms the twisted
ladder shape of DNA
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Nucleic Acid
A biomolecule composed of
nucleotides and carries the genetic
information of an organism
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Nucleotide
The monomer of nucleic acids;
composed of phosphate, sugar, and
nitrogen bases
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RNA
The biomolecule classified as a nucleic
acid and composed of nucleotides; genetic
material in a single helix form
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Genetic Material
Refers to nucleic acids; DNA and RNA
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