chapter 10
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Base-pairing rules | the rules stating that cytosine pairs with guanine and adenine pairs with thymine in DNA, and that adenine pairs with uracil in RNA
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| Bacteriophage | virus that infects bacteria
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| Nitrogenous Base | an organic base that contains nitrogen, such as a purine or pyrimidine; a subunit of a nucleotide in DNA and RNA
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| Deoxyribose | a five-carbon sugar that is a component of DNA nucleotides
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| Nucleotide | in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base
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| Transformation | the transfer of genetic material in the form of DNA fragments from one cell to another or from one organism to another
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| Virulent | describes a microorganism or virus that causes disease and that is highly infectious
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| Purine | a nitrogenous base that has a double-ring structure; one of the two general categories of nitrogenous bases found in DNA and RNA; either adenine or guanine
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| Pyrimidine | a nitrogenous base that has a single-ring structure; one of the two general categories of nitrogenous bases found in DNA and RNA; thymine, cytosine, or uracil
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| Complementary base pair | the nucleotide bases in one strand of DNA or RNA that are paired with those of another strand; adenine pairs with thymine or uracil, and guanine pairs with cytosine
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| Base sequence |
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| DNA Replication | the process of making a copy of DNA
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| Helicase | an enzyme that separates DNA strands
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| Replication fork | Y-shaped point that results when the two strands of a DNA double helix separate so that the DNA molecule can be replicated
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| DNA Polymerase | an enzyme that catalyzes the formation of the DNA molecule
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| Semi-conservative replication | in each new DNA double helix, one strand is from the original molecule, and one strand is new
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| Mutation | a change in the nucleotide-base sequence of a gene or DNA molecule
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| Ribonucleic acid | a natural polymer that is present in all living cells and that plays a role in protein synthesis
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| Transcription | the process of forming a nucleic acid by using another molecule as a template; particularly the process of synthesizing RNA by using one strand of a DNA molecule as a template
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| Translation | the portion of protein synthesis that takes place at ribosomes and that uses the codons in mRNA molecules to specify the sequence of amino acids in polypeptide chains
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| Protein synthesis | the formation of proteins by using information contained in DNA and carried by mRNA
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| Ribose | a five-carbon sugar present in RNA
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| Messenger RNA | a single-stranded RNA molecule that encodes the information to make a protein
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| Ribosomal RNA | an organelle that contains most of the RNA in the cell and that is responsible for ribosome function
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| Transfer RNA | an RNA molecule that transfers amino acids to the growing end of a polypeptide chain during translation
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| RNA Polymerase | an enzyme that starts (catalyzes) the formation of RNA by using a strand of a DNA molecule as a template
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| Promoter | a nucleotide sequence on a DNA molecule to which an RNA polymerase molecule binds, which initiates the transcription of a specific gene
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| Termination signal | a specific sequence of nucleotides that mark s the end of a gene
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| Genetic code | the rule that describes how a sequence of nucleotides, read in groups of three consecutive nucleotides (triplets) that correspond to specific amino acids, specifies the amino acid sequence of a protein
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| Codon | in DNA, a three-nucleotide sequence that encodes an amino acid or signifies a start signal or a stop signal
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| Anticodon | a region of tRNA that consists of three bases complementary to the codon of mRNA
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| Genome | the complete genetic material contained in an individual
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To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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