Complete the series for DNA replication, transcription and translation by writing the complementary DNA strand, mRNA, tRNA and series of amino acid. Using the table given, write the hidden message on the space provided:

Use the following information to answer the next question. The DNA strand shown below is thought to contain the genetic code for part of an enzyme B-galactosidase which is involved in lactose metabolism. (Read the DNA beginning at the left.) -A-T-A-T-G-G-G-G-C-A-T-G The second amino acid coded from the section of DNA for B-galactosidase is Select one: a. thymine b. tryptophan c. serine d. threonine

Describe the structure of DNA as repeated units of nucleotides that consist of nitrogenous bases, sugar and phosphate.

a. As a result of the structure of DNA and RNA, replication, transcription and translation are possible. What can nucleic acids do, as a result of their structure, that enables these processes to occur? The figure below shows a simplified schematic representation of a segment of DNA. The DNA is labelled with the numbers 1 – 14 for easy reference. -35 sequence Pribnow box 5' UTR 3' UTR DNA TTGACA TATAAT -35 -10 Gene a Gene B Gene y 1 2 3 4 5 6 7 8 9 10 11 12 13 14 UTR = untranslated region b. At which position on the DNA (number 1 - 14) will transcription be initiated? c. At which position on the DNA (number 1 - 14) will the first signal for translation be found? d. Between which two regions on the DNA will the polyadenylation signal be found? Use the numbers to indicate the region. e. Between which two regions on the DNA will the first Shine-Dalgarno / Ribosome Binding Sequence be found? Use the numbers to indicate the region.

Use the terms provided to label the diagram representing the flow of information from DNA to protein. Messenger RNA Translation Polypeptide Codon Transcription DNA template strand DNA coding strand Amino acid ++ !!!! 4

Differentiate DNA from RNA by completing the table

Tabulate the differences of the various DNA conformations in terms of orientation, rise per base pair (bp), pitch per trun of helix and helix diameter.

Given the following non-coding strand of DNA nucleotides:G T T C C C T T T G G A A C C T G G Write the nucleotide sequence of the coding strand of DNA:b. Write the nucleotide sequence of mRNA resulting from transcription:c.   Using the genetic code, write the amino acid sequence translated:

List six types of DNA repair. Explain the basic features of each.

Write down the major differences between DNA and RNA.keeping in mind the concept of "central dogma". Explain whether the information from protien is transfered to DNA? If yes/No, explain.