470 likes | 554 Views
DNA and Protein Synthesis. Name the components of a nucleotide. Sugar, phosphate group, nitrogen base. How many different nucleotides are there?. Eight. Name all pyrimidines. How many rings do they have?. Cytosine, thymine, uracil (1 ring).
E N D
DNA and Protein Synthesis
What type of bond holds together the two sides of the double helix?
Messenger RNA • Transfer RNA • Ribosomal RNA
Replication Transcription Translation
Use the amino acid chart and find the amino acid for the following DNA segment: C G A
Alanine • (CGA gets transcribed to GCU in mRNA)
If DNA is cut into 7 fragments, how many restriction sites were there?
Deletion • Duplication (or insertion) • Inversion • Translocation
How can millions of copies of DNA be produced from small samples?
Restriction enzymes • DNA ligase • DNA polymerase (in PCR)
What is the name for a segment of noncoding DNA in the middle of a gene?
In gel electrophoresis, DNA fragments move from _____ electrode to _____ electrode, and _________ pieces move the farthest.
Which is a silent mutation? A) TTT to TAT B) GAC to AAC • CCA to CAA • All of these • None of these
B is silent • A) TTT to TAT AAA (lysine) to AUA (isoleucine) • B) GAC to AAC CUG (leucine) to UUG (leucine) • C) CCA to CAA GGU (glycine) to GUU (valine)