The ________ is the narrower of the two grooves on a DNA double helix.

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________ lines run in opposite directions.

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The sequence of three nucleotides in DNA or RNA that specifies a single amino acid is a/an ________.

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A/An ________ is a linear stretch of genomic DNA that has been fully sequenced.

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A/An ________ organism stably expresses a foreign gene.

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Oligonucleotide is a polynucleotide consisting of a few nucleotide ________.

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A/An ________ is a compound consisting of a nitrogenous base linked to a five-carbon sugar (ribose or deoxyribose).

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Blunt ends are the fully base-paired ends of a DNA fragment that are generated by a/an ________ that cuts both strands at the same point.

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________ is an enzyme that catalyzes the formation of a phosphodiester bond to join two DNA strands.

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A gene with no assigned function is called a/an ________.

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________ is a technique in which a cloned gene is mutated in a specific manner.

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Expressed sequence tag (EST) is a segment of DNA that is synthesized from a/an ________ template and which, therefore, represents a portion of the genome that is expressed.

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A base is a purine or ________ component of a nucleoside, nucleotide, or nucleic acid.

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The linkage in which a phosphate group is esterified to two alcohol groups is called a/an ________.

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________ are the small L-shaped RNAs that deliver specific amino acids to ribosomes according to the sequence of a bound mRNA.

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________ is the loss of ordered structure in a polymer, such as the disruption of native conformation in an unfolded polypeptide or the unstacking of bases and separation of strands in a nucleic acid.

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Genes that are related by evolution from a common ancestor are called ________ genes.

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________ is a nucleotide sequence variation in the genomes of two individuals from the same species.

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________ is the process by which RNA is synthesized using a DNA template, thereby transferring genetic information from the DNA to the RNA.

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A plasmid is a small circular DNA molecule that autonomously replicates and may be used as a/an ________.

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A/An ________ is a collection of immobilized DNA segments of known sequence.

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A segment of DNA, sometimes including genes, that can move or be copied from one position to another in a genome is called a/an ________.

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________ is a technique for distinguishing cells that contain a particular feature, such as resistance to an antibiotic.

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The unit of length used for DNA molecules is ________.

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________ is an enzyme that catalyzes synthesis of a new DNA strand using an existing strand as a template for the assembly of nucleotides.

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