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- 1. Multiple Choice
Which of the following best describes a DNA molecule?double helixcontains ribosemade of amino acidscontains Uracil - 2. Multiple ChoiceAdenine bonds with ______________.GuanineThymineCytosineAdenine
- 3. Multiple ChoiceGuanine bonds with ______________.AdenineGuanineCytosineThymine
- 4. Multiple ChoiceWhy is DNA important?it is very small and very complicatedit's in everythingit serves as the blueprint for traits of all living thingsbecause we eat it every day for energy
- 5. Multiple ChoiceWhich 2 molecules forms the sides (backbone) of the DNA ladder?deoxyribose and adeninedeoxyribose and a hydrogen bondsugar and the nucleusdeoxyribose (sugar) and phosphate
- 6. Multiple ChoiceWhat bonds the nitrogen bases in the center of the DNA strand?Covalent BondsIonic BondsHydrogen BondsMetallic Bonds
- 7. Multiple ChoiceWhich shows the correct complementary base pairing for DNA?C-A, T-GA-G, C-TC-G, U-AT-A, G-C
- 8. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 9. Multiple ChoiceIn a sample of DNA, 20 percent is Adenine. What are the percentages of the other bases?Thymine - 30 percent, Cytosine 25 percent, Guanine 25 percentCytosine - 20 percent, Thymine - 30 percent, Guanine 25 percentThymine - 20 percent, Cytosine 30 percent, Guanine 30 percentThymine - 30 percent, Cytosine 30 percent, Guanine 20 percent
- 10. Multiple ChoiceDNA codes for...cholesterolproteinsfatty acidsa sandwich
- 11. Multiple ChoiceWhat determines the code, or information, of a DNA molecule?the shape (structure) of the nitrogen basesthe order (sequence) of the nitrogen basesthe color of the nitrogen basesthe frequency (number) of nitrogen bases
- 12. Multiple ChoiceWhat is the relationship between a protein, the cell, and DNA?DNA is produced by protein which is produced in the cellProtein is composed of DNA which is produced in the cellDNA controls the production of protein in the cellA cell is composed of DNA and protein
- 13. Multiple ChoiceGenes are found on...chromosomesallelesproteinsanthers
- 14. Multiple ChoiceA change in the genetic code = ____traitgenotypephenotypemutation
- 15. Multiple ChoiceNucleotides are made up of a sugar, phosphate, and..?nitrogenous basenucleic acidcholesterolfatty acid
- 16. Multiple ChoiceWhat is the name of the subunit that builds a DNA polymer?NucleotideNucleic acidNitrogenous baseNucelosome
- 17. Multiple ChoiceWhat does DNA stand for?Deoxyribonucleic acidDenitrogenous acidDeribonucleic acidDiribonucleic acid
- 18. Multiple ChoiceWhy is the order of amino acids so important?The order of amino acids dictates what shape the protein will fold into.It is not important. The protein folding chamber will force the protein to fold into the correct shape.
- 19. Multiple ChoiceThis nucleic acid is single strandedDNARNABoth
- 20. Multiple ChoiceDNA and RNA are macromolecules in the category ofProteinsLipidsNucleic AcidsCarbohydrates
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