bio hl dna test pt. 3
Outline the function of codons.
three bases on mRNA coding for one amino acid in a polypeptide
State one role of nucleosomes in eukaryotic cells.
help to regulate transcription
Describe the polymerase chain reaction (PCR), including the role of Taq DNA polymerase.
PCR is process by which a small sample of DNA can be copied many times
Taq DNA polymerase forms new double-stranded DNA by adding complementary bases/nucleotides -- can withstand heat withiut denaturing
Distinguish between the chromosomes of eukaryotic cells and prokaryotic cells.
in cytoplasm in prokaryotes, but within nucleus in eukaryotes.