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36 Cards in this Set
- Front
- Back
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What do you call a nucleic acid wrapped in a protein coat?
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virus
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What is a virus infected bacteria called?
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bacteriophage
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A nucleic acid built from nucleotides is called?
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deoxyribosnucleic acid
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What are nucleotides?
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the building blocks of nucliec acids
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"A ring of carbon and nitrogen atoms" describes what?
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a nitrogenous base
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What do pyrimidines look like?
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single-ring structures
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What do purines look like?
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double-ring structures
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What happens during DNA replication?
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copying of the DNA molecule
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Enzymes that make covalent bonds are called?
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DNA polymerases
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Nucleic acid with ribose sugar is called?
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RNA
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What converts DNA information into RNA information?
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transcription
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What converts nucleic acid language into amino acid launguage?
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translation
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What is a codon?
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a coded amino acid
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What is a mRNA?
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a replication of a DNA strand
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What links the RNA nucleotides together?
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RNA polymerase
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There are 3 possible nucleotides that a triplet code can be made from, True or False?
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False, there are 4 possible nucleotides (A, C, G, and T)
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Amino acids can be coded for more than one codon, True or False?
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True
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How many codons are in the body?
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64 codons
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How many amino acids are in the body?
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20 amino acids
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DNA or RNA:
Which consists of 1 strand and which consists of 2 strands? |
RNA consists of 1 strand and DSV consists of 2 strands
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DNA or RNA:
Which has "uracil" and which has "thymine? |
RNA has uracil and DNA has thymine
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DNA or RNA:
Which consists of deoxyribose sugar and which consists of ribose sugar? |
DNA consists of deoxyribose sugar and RNA consissts of ribose sugar
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What is the start codon's and the stop codon's job?
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to tell when the production of amino acids should start and stop
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Messenger RNA is used to transcribe codons, True or False?
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False, transfer RNA is used to transcribe condons
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The bases of RNA are oxygen rich, True or False?
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False, RNA is nitrogen rich.
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The backbone of RNA are oxygen rich, True or False?
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True
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What are the 3 types of RNA and what do they stand for?
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tRNA - transfer RNA
mRNA - messenger RNA rRNA - ribosomal RNA |
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mRNA:
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a replication of a DNA strand
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RNA polymerase:
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links the RNA nucleotides together
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What are introns?
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internal non-coding regions
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What are exons?
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genes that remain mRNA
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A mRNA molecule with a continuos coding sequence is called?
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RNA splicing
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What translates mRNA to amino acid language?
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tRNA
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What are 3 bases that are complementerary to codon?
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anticodon
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A change in the DNA sequence is called a?
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mutation
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What is mutagen?
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an agent that causes a mutation
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