1. A significant difference between prokaryotes and eukaryotes is :   The DNA of prokaryotes floats freely around the cell while the DNA of eukaryotes is held within its nucleus.   Prokaryote cells are not membrane-bound while eukaryote cells are.   Prokaryotes do not have DNA as their genetic material while eukaryotes do.   Prokaryotes do not have ribosomes while eukaryotes do.   Hint Half-n-half Clue   2. The single stranded molecule that is transcribed from a DNA template (i.e a photocopy of a specific section of the DNA molecule) and is subsequently used to manufacture proteins is :   rRNA   snRNA   tRNA   mRNA   Half-n-half Clue   3. Where would you expect to find genetic information describing the characteristics of a Dodo ?   In the ribosomes.   In virtually every cell in its body.   In its feathers !   In the primary spermatocytes.   Half-n-half Clue   4. The difference between DNA and RNA is :   The RNA sugar phosphate backbone contains ribose rather than deoxyribose.   DNA molecules are double stranded while RNA molecules are single stranded for the most part.   Thymine in DNA is replaced by Uracil in RNA.   All of the above.   Half-n-half Clue   5. The number of hydrogen bonds that hold the Adenine - Thymine base pair together is :   5   4   3   2   Half-n-half Clue   6. The technique Rosalind Franklin used to determine the structure of DNA was :   centrifuge analysis   X-Ray crystallography   bacteriophages   None of the above   Half-n-half Clue   7. The DNA molecule is a polymer. Its monomer units are :   nucleosides   nucleotides   nucleic acids   amino acids   Half-n-half Clue