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- 1. Multiple ChoiceWhich of the following is NOT a base found in DNA?AdenineThymineGlycogenCytosine
- 2. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand?
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 3. Multiple ChoiceAdenine forms hydrogen bonds with which base?GuanineThymineCytosineAdenine
- 4. Multiple ChoiceGuanine forms hydrogen bonds with which base?AdenineGuanineCytosineThymine
- 5. Multiple ChoiceWhich enzyme unzips the DNA to prepare for replication?HelicaseDNA PolymeraseLigasePrimase
- 6. Multiple ChoiceWhich enzyme is responsible for adding nucleotides?Single-stranded binding proteinsDNA PolymeraseLigasePrimase
- 7. Multiple ChoiceWhich enzyme is responsible linking together newly created strands of DNA using the Okazaki fragments?Single-stranded binding proteinsDNA PolymeraseLigasePrimase
- 8. Multiple ChoiceA process in which DNA makes an exact copy of itself is called...ReplicationTranslationTranscriptionCopying
- 9. Multiple Choice
Nitrogenous bases are joined by which type of bond?Polar bondsIonic bondsCovalent bondsHydrogen bonds - 10. Multiple ChoiceIn a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of which base?CytosineGuanineThymineUracil
- 11. Multiple ChoiceWhen DNA replication is complete, which is true about the products?Each one has two original strandsEach one has two new strandsEach one has one new strand and one original strandOne has two new strands and the other with two original strands
- 12. Multiple ChoiceAfter analyzing a sample of DNA, a scientist recorded the data shown in the table. What percentage of the DNA sample is cytosine?22%25%28%56%
- 13. Multiple Choice
Which of the following correctly states Chargaff's Rule (base pairing rule)?
A=T, C=G, A+T+C+G=100%
A=C, T=G, A+T+C+G=50%
A=T, C=G, A+T+C+G=200%
A=C, T=G, A+T+C+G=100%
- 14. Multiple ChoiceWhat type of chromosomal mutation has occurred?SubstitutionInsertionDeletionNondisjunction
- 15. Multiple Choice
DNA is an example of which type of macromolecule?
Protein
Nucleic Acid
Lipid
Carbohydrate
- 16. 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
- 17. Multiple ChoiceWhat does DNA stand for?Deoxyribonucleic acidDenitrogenous acidDeribonucleic acidDiribonucleic acid
- 18. Multiple ChoiceWhat is the shape of DNA?Double helixTriple helixFlat, bilayerThree-pronged rigid ladder
- 19. Multiple ChoiceWhich organelle is DNA usually found in?cell membranevacuoleribosomenucleus
- 20. Multiple ChoiceA monomer of DNA is called a(n)MonosaccharideAmino AcidTriglycerideNucleotide
- 21. Multiple Choice
What are the nucleotides made of?
Sugar, Phosphate, nitrogenous base
Phosphate, Adenine, nitrogenous base
Thymine, Adenine, Cytomine
Phosphate, Nitrogen, Adenine
- 22. Multiple ChoiceWhat is the sugar in the DNA molecule?deoxyriboseriboseglucosefructose
- 23. Multiple ChoiceWhich 2 molecules form the sides (backbone) of the DNA ladder?deoxyribose sugar and adeninedeoxyribose sugar and a hydrogen bonddeoxyribose sugar and the nucleusdeoxyribose sugar and phosphate
- 24. Multiple ChoiceNitrogenous bases are joined by which type of bond?polar bondsionic bondscovalent bondshydrogen bonds
- 25. Multiple Choice
order of replication
3, 2, 1, 4
2, 1, 4, 3
2, 3, 1, 4
3, 4, 1, 2
- 26. Multiple Choice
Name this structure
covalent bond
nucelotide
deoxyribose
hydrogen bond
- 27. Multiple ChoiceDNA polymerase is a(n)lipidenzymesugarstarch
- 28. Multiple ChoiceWhich of the following would result in a frameshift mutation?Insertions onlySubstitution onlyDeletion onlyInsertions and Deletions
- 29. Multiple ChoiceATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of aInsertion- FrameshiftDeletion- SubstitutionDeletion -FrameshiftAll of the above - 30. Multiple ChoiceWhich of the following is not a Mutagenic factor(causes mutations).X-raysChemicals we smoke or eatDrinking waterTanning
- 31. Multiple ChoiceIf you are missing or have an extra base at the end of your mutated DNA . What type of mutation occurred?SubstitutionFrameshiftDuplicationInsertion
- 32. Multiple Choice
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCCGCAAG. This is an example of ___ mutation.
Substitution
Deletion
Insertion
Inversion
- 33. Multiple ChoiceA five-carbon sugar found in DNA.riboseguaninedeoxyribosehelicase
- 34. Multiple ChoiceWhat are the 4 nitrogenous bases in DNA?adenine, thymine, cytoplasm, and guanineadenine, thymine cytosine, and guanineadenine, thymine, cytosine, and gylceroladenine, thymine, cytosine, and glucose
- 35. Multiple ChoiceWhich pairing below is correct?thymine-cytosinecytosine-adenineadenine-guaninecytosine-guanine
- 36. Multiple ChoiceTightly wound DNA is called achromatin
centromere
chromosome
protein - 37. Multiple Choice
The nucleotides in one strand of DNA are joined or conncted by :
Covalent bonds
Hydrogen bonds
Peptide bonds
Ionic bonds
- 38. Multiple ChoiceWhich enzyme lays down small sections of RNA in order to conduct DNA replication?HelicaseDNA PolymeraseLigasePrimase
- 39. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 40. Multiple ChoiceAny change in the sequence of DNA is...Transgenic shiftSingle GenotypeEvolutionMutation
- 41. Multiple Choice
A mutation can sometimes be helpful. If a mutation helps a creature survive in its environment, the mutation could be passed on to future generations, repeatedly over many year. This is how new species evolve.
True!
No way! / False
- 42. Multiple Choice
Which of the following represents the structure of DNA?
- 43. Multiple Choice
Deletion
a different base or pair takes the place of what should have there
a base or segment is added to the strand
a base or segment has been deleted
- 44. Multiple Choice
insertion
a different base or pair takes the place of what should have there
a base or segment is added to the strand
a base or segment has been deleted
- 45. Multiple Choice
The picture above represents
insertion
deletion
substitution
- Answer choicesTagsAnswer choicesTags