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DNA/RNA - 11

QuestionAnswer
DNA replication process of copying chromosomal DNA is copied before mitosis or meiosis
double helix shape of a DNA molecule formed when 2 twisted DNA strands are coiled into a springlike structure and held together by hydrogen bonds between the bases.
nitrogenous base carbon ring structure found in DNA or RNA that contains one or more atoms of nitrogen; includes adenine, guanine, cytosine, thymine, and uracil
codon set of 3 nitrogenous bases that represents an amino acid; order of nitrogenous bases in mRNA determines the type and order of amino acids in a protein
mRNA RNA that takes information from DNA in the nucleus to the cell's cytoplasm
rRNA RNA that makes up the ribosomes; clamps onto mRNA and uses its information to assemble amino acids in the correct order
transcription process in the cell nucleus where enzymes make an RNA copy of a DNA strand
tRNA RNA that transports amino acids to the ribosomes to be assembled into proteins
translation process of converting information in mRNA into a sequence of amino acids in a protein
chromosomal mutation mutation that occurs at the chromosome level resulting in changes in the gene distribution to gametes during meiosis. result of part of the chromosome breaking off or rejoining incorrectly
frameshift mutation mutation created when a single base is added or deleted from DNA causing a shift in the readings of codons by one base.
mutagen any agent -radiation, chemicals, high temp - that causes a change in DNA
mutation any change or random error in a DNA sequence
point mutation mutation in a DNA sequence that occurs from a change in a single base pair
Created by: jljohnson404
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