Exam 3 Lab 10 Flashcards
3 components of a nucleotide
sugar (deoxyribose or ribose)
phosphate
nitrogen containing base
Base pairing pattern in DNA
A–T
C–G
Base pairing pattern in RNA
A–U
C–G
What is meant by semiconservative
One old strand one new strand
Structure of a tRNA molecule
Amino acid on one end, anticodon on the other
tRNA works as an adapter by binding its anticodon to mRNA codon and bringing into position the correct amino acid needed for polypeptide
Gel Electrophoreses
Used to separate DNA by size
Electrical feilds are used and DNA moves through the gels small pores
DNA Fingerprinting
Process of determining DNA characteristics
Why is non-coding DNA used for DNA fingerprinting
Because Coding DNA can have so many differences due to mutations