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biology chap 11 voc

QuestionAnswer
nitrogen base A nitrogenous (nitrogen-containing) base is a nitrogen-containing organic molecule having the chemical properties of a base.
double helix a pair of parallel helices intertwined about a common axis, esp. that in the structure of the DNA molecule
dna replication DNA replication is the process of producing two identical copies from one original DNA molecule.
messenger rna the form of RNA in which genetic information transcribed from DNA as a sequence of bases is transferred to a ribosome.
ribosomal rna Ribosomal ribonucleic acid (rRNA) is the RNA component of the ribosome, and is essential for protein synthesis in all living organisms.
transfer rna RNA consisting of folded molecules that transport amino acids from the cytoplasm of a cell to a ribosome.
codon a sequence of three nucleotides that together form a unit of genetic code in a DNA or RNA molecule.
translation the process of translating words or text from one language into another.
mutation the action or process of mutating.
point mutation a mutation affecting only one or very few nucleotides in a gene sequence.
frameshift mutation A frameshift mutation (also called a framing error or a reading frame shift) is a genetic mutation caused by indels (insertions or deletions) of a number of nucleotides in a DNA sequence that is not divisible by three
chromosomal mutation mutation: (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism
mutagen an agent, such as radiation or a chemical substance, that causes genetic mutation.
Created by: Nicholas Monds!
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