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BIOL 123 Lab Final
Terms in this set (45)
Composed of deoxyribose sugars, phosphate groups, and 4 different nucleotide bases. Double-helix shape (A-T-G-C, Adonine, Thymine, Guanine, Cytosine)
Produced in a similar way as DNA, but with Uracil instead of Thymine.
The process in which a strand of RNA is produced from DNA in the nucleus
The process in which proteins are built from amino acids, with RNA as an instructional guide.
Physical trait of an organism
A list of gene types in an organism's DNA
The shape of DNA is a ___
The process in which a copy is made of the DNA molecule before the cell divides
During DNA replication, the new sugar-phosphate backbone and nucleotide bases are added at the site that the strands have separated, called the ___
1. Two strands of DNA unwind and separate
2. The new backbone is created as the DNA "unzips"
3. After the unzipping completes, the two completed DNA strands are ready.
Describe the steps of DNA replication
A means of separating DNA fragments by their approximate sizes
DNA has a negative electrical charge. When DNA is in an aqueous solution, hydrogen is removed from the phosphates, resulting in a net negative charge. The amount of negative charge is directly proportional to the length of the DNA fragment.
The DNA is placed into a tray with agarose gel, and an electric charge is run through the solution. The negative DNA is attracted to the positive side of the tray. The larger pieces with stronger charges move to the other side faster than smaller pieces.
Describe how gel electrophoresis works
A mistake that occurs during the DNA replication progress
Beneficial, Neutral, or Detrimental
Mutations can either be ___, ___, or ___
Polymerase Chain Reaction (PCR)
A technique used to quickly and precisely copy even the smallest DNA sample in order to generate enough DNA so that testing can be repeated with confidence.
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