The soluble liquid fraction of a sample after centrifugation or precipitation of insoluble solids. 17 Animation; 20 Animation; 21 Animation; 25 Animation, 25 Problem, 35 Animation

Refers to a replica. DNA molecules can be cloned using bacteria or viruses as hosts. A genetic clone can also refer to an organism that is a genetic copy of the original - produced using various in vi [..]

A nucleotide sequence— composed typically of 4, 6, or 8 nucleotides— that is recognized by a restriction endonuclease. Type II enzymes cut (and their corresponding modification enzymes methylate) with [..]

Breakage of a large segment of DNA from one chromosome, followed by the segment's attachment to a different chromosome. 29 Bio; 32 Bio

(see Saccharomyces cerevisiae) 38 Animation; 40 Animation

An autonomous transposable element in maize that also controls the movement of another transposon, Dissociator (DS). 32 Animation, 32 Video

One of the four bases that make up DNA. Abbreviated with an 'A.' 15 Animation; 19 Animation; 20 Animation; 21 Animation; 22 Animation; 23 Animation, 23 Problem; 26 Animation; 28 Animation

Adenoviruses contain double-stranded DNA and are unusually stable, allowing them to survive for prolonged periods outside of the body. Adenoviruses infect membranes of the respiratory tract, eyes, int [..]

A matrix composed of a highly purified form of agar is used to separate larger DNA and RNA molecules ranging from 100 to 20,000 nucleotides. 23 Animation; 24 Animation, 24 Video, 24 Bio; 29 Animation

A rare inherited condition in which a person's urine turns a dark brownish-black color when exposed to air. A mutation on the HGD gene causes the condition. 13 Bio, 13 Problem; 16 Animation