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Genes and Proteins
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What nitrogen bases go together in a DNA nucleotide?
cytosine with guanine and thymine with adenine
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What helps produce proteins?
RNA
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What is a form of RNA?
messenger, transfer, or ribosomal
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Can mistakes happen during the replication of genes?
yes
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What is the shape of a DNA molecule?
double helix
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How much DNA in chromosomes of humans does not form genes and is junk DNA?
97%
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Can exposure to radiation cause a mutation?
yes
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What is the process of making a protein from RNA?
translation
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What is a type of mutation?
insertion, deletion, or substitution
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What are the 3 nitrogen bases on mRNA that code for 1 amino acid?
codon
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During transcription, what changes in the nucleotide sequence?
adenine will pair with uracil instead of thymine
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Where are genes located?
chromosome
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What is the process of making mRNA from DNA?
transcription
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