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- 1. Multiple Choice
Who were the first scientists to build a model of a DNA molecule?
Larry, Moe, and Curley Joe
Watson and Crick
Watson and Holmes
Superman and Batman
- 2. Multiple ChoiceThe building block of nucleic acids are nucleotides. Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.oxygenhydrogennitrogencarbon
- 3. Multiple ChoiceThe backbone of a DNA molecule is made from a ______________ and a _______________ group.lipid, carbonsugar, phosphatenitrogen, oxygennitrogen, sulfur
- 4. Multiple Choice
What are the four nitrogen bases found in DNA?
adenine, thymine, guanine, cytosine
adenine, lysine, prolene, guanine
arganine, cytosine, lysine, purine
lysine, cytosine, lucine, guanine
- 5. Multiple Choice
The shape of the DNA molecule is a double _________________.
"S"
helix
rope
curve
- 6. Multiple Choice
The sugar in DNA is_____________.
sucrose
glucose
deoxyribose
fructose
- 7. Multiple ChoiceWhat are the building blocks for DNA?carbohydratesnucleotideslipidsproteins
- 8. Multiple ChoiceWhich one of the following nucleotide pair bonds would be found in a DNA molecule?adenine-guanineguanine-cytosineadenine-cytosinecytosine-uracil
- 9. Multiple ChoiceA DNA nucleotide may be made up of a phosphate group, along with _____.deoxyribose sugar and uracilribose sugar and adeninedeoxyribose sugar and thymineribose sugar and cytosine
- 10. Multiple ChoiceFranklin used x-ray crystallography to determine the shape of the DNA molecule isa cloverleafa braided ropea pleated sheeta twisted ladder
- 11. Multiple ChoiceIn a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount ofcytosineguaninethymineuracil
- 12. Multiple Choice
Name this structuredouble helixnucelotidetwisted ladderhydrogen bond - 13. Multiple Choice
A=T and C=G is:
Chargaff's Rule
Avery's Rule
Franklin's Law
Watson's Law
- 14. Multiple Choice
Nitrogenous bases are held together by:
covalent bonds
phosphodiester bonds
ionic bonds
hydrogen bonds
- 15. Multiple Choice
Thymine always pairs with
guanine
cytosine
adenine
thymine
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