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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 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
- 3. 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
- 4. Multiple ChoiceNitrogenous bases are joined by which type of bond?polar bondsionic bondscovalent bondshydrogen bonds
- 5. Multiple ChoiceWhat does DNA stand for?Deoxyribonucleic acidDenitrogenous acidDeribonucleic acidDiribonucleic acid
- 6. Multiple ChoiceWhich two scientists are accredited with correctly deducing the double helix model of DNA?Watson and CrickWilkins and FranklinWilkins and CrickWatson and Franklin
- 7. 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
- 8. Multiple ChoiceWhat are the three components of a nucleotide?sugar, hydrogen, nitrogen basesugar, oxygen, nitrogen basesugar, phosphate, nitrogen basesugar, phosphate, protein
- 9. Multiple ChoiceCytosine always pairs withAdenineThymineUracilGuanine
- 10. Multiple ChoiceName this structuredouble helixnucelotidetwisted ladderhydrogen bond
- 11. Multiple ChoiceWhich organelle is DNA usually found in?cell membranevacuoleribosomenucleus
- 12. Multiple ChoiceNucleotides are made up of a sugar, phosphate, and..?nitrogenous basenucleic acidcholesterolfatty acid
- 13. Multiple ChoiceGuanine bonds with ______________.AdenineGuanineCytosineThymine
- 14. Multiple ChoiceThe two strands of DNA are held together by:Hydrogen BondsPhosphodiester BondsGlycolsyl BondsGlycosidic Linkages
- 15. Multiple ChoiceWhat is the complement to the DNA strand below:
5'-ATGCCAT-3'5'-TACGGTA-3'3'-TACGGTA-5'3'-ATGGCAT-5'5'-ATGGCAT-3' - 16. Multiple ChoiceWhich enzyme is responsible for adding nucleotides?TopoisomeraseDNA PolymeraseLigasePrimase
- 17. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 18. Multiple ChoiceA process in which DNA has the unique ability to make an exact copy of itself.ReplicationTranslationTranscription
- 19. Multiple ChoiceNitrogenous bases are joined by which type of bond?polar bondsionic bondscovalent bondshydrogen bonds
- 20. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 21. Multiple Choice
The fragments on the lagging strand that are made up of repeating segments of DNA and RNA Primers
okazaki fragments
Primase
Polymerase
unused DNA
- 22. Multiple Choice
DNA replication results in
2 completely new DNA molecules
2 DNA molecules that each contain a strand of the original
1 new DNA molecule and 1 old
1 new molecule of DNA
- 23. Multiple Choice
Enzyme that breaks hydrogen bonds (unzips)
Ligase
Polymerase
Primase
Helicase
- 24. Multiple Choice
Enzyme that connects the DNA to the backbone (glues)
Ligase
Polymerase
Helicase
Primase
- 25. Multiple Choice
DNA strand has the following bases AAGCCA what are the bases on the complementary strand
GGCTTA
TTGGGA
CCAGGT
TTCGGT
- 26. Multiple Choice
Site where replication begins
Polymerase action site
Replication fork
Replication Origin
In the front
- 27. Multiple Choice
The new DNA strand formed after DNA replication is an exact copy of its parent strand
True
False
- 28. Multiple Choice
Number 1 in the picture above
Replication
DNA Polymerase
Primase
Ligase
- 29. Multiple Choice
#4 in the picture
Polymerase
Primase
Helicase
Ligase
- 30. Multiple Choice
#1 in the picture above (builder)
Helicase
Primase
Polymerase
Ligase
- 31. Multiple Choice
#3 setting Primers
Ligase
Helicase
Polymerase
Primase
- 32. Multiple Choice
#5
Leading strand
Lagging Strand
Replication fork
Helicase
- 33. Multiple Choice
#5
Leading strand
Okazaki Fragments
Replication fork
Helicase
- 34. Multiple Choice
Entire Picture
Lagging Strand
Leading Strand
Replication fork
Okazaki Fragment
- 35. Multiple Choice
Right Hand Side
Lagging strand
Leading Strand
- 36. Multiple ChoiceIn RNA, Uracil pairs with ______.cytosineadenineguaninethymine
- 37. Multiple ChoiceThe process to go from DNA to mRNA is _______translationtranscriptionreplication
- 38. Multiple ChoiceThe process to go from mRNA to a protein is called ____transcriptionrRNAreplicationtranslation
- 39. Multiple ChoiceDNA holds the code forlipidscarbohydratesproteinsugar
- 40. Multiple ChoiceChoose the nucleotide sequence of the RNA strand that would be complementary to the following strand:
GTAGTCAUATUAGAACGACTGCAUCAGUCATCAGT - 41. Multiple ChoiceThe main function of tRNA is to...carry a message that, when translated, forms proteinsform a portion of ribosomesstring together complementary RNA and DNA strandsbring amino acids from the cytoplasm to the ribosomes
- 42. Multiple ChoiceWhat amino acid is represented by the codon UUA?PhenylalanineTyrosineLeucineStop codon
- 43. Multiple ChoiceWhat process is going on in this photo?TranscriptionTranslationReplicationAll the above
- 44. Multiple ChoiceWhich component of DNA determines the traits of an organism?Nitrogen BasesSugar-Phosphate BackboneHydrogen bonds
- 45. Multiple ChoiceWhat is the location in the cell for translation?nucleusmitochondriaribosomechloroplast
- 46. Multiple ChoiceWhat is the three base sequence of mRNA that codes for a single amino acid?AnticodonCodonProtein
- 47. Multiple ChoiceWhat are the backbones (sides) of the DNA structure made up of?repeating phosphates and sugarsnitrogen basesnucleotidesadenine and thymine
- 48. Multiple ChoiceWhat is the location in the cell for transcription?nucleuscytoplasmribosomemitochondria
- 49. Multiple ChoiceWhich is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGTACCGTTCATGCAUGGCAAGUACGUUCCGUUCUUGCUACCGUUCAUGCA - 50. Multiple ChoiceDNA has a _____________ structure.double helixsingle strandringchain
- 51. Multiple ChoiceIn DNA, Adenine pairs with ___________.GuanineCytosineThymineUracil
- 52. Multiple ChoiceTranslation is the process wheremRNA is created in the NucleusmRNA is decoded to form a proteinglucose molecules are madeis where lipids are synthesised
- 53. Multiple ChoiceDoes the order of amino acids in a protein matter?YES!NO!
- 54. Multiple ChoiceWhat is the correct amino acid sequence for the mRNA code AUGCCAGUAUGAMet-Pro-Ala-ValMet-Pro-ValTyr-Gly-HisTyr-Gly-Arg-His
- 55. Multiple ChoiceHow many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA42612 - 56. Multiple ChoiceBecause some amino acids can be coded for by multiple codons, this type of mutation is possible.Nonsense MutationMissense MutationDegenerate MutationSilent Mutation
- 57. Multiple ChoiceIf below is the wild-type DNA sequence, which one shows a point mutation?
5'-ATTCGC-3'5' - AATTCGC - 3'5'- ATCCGC - 3'5' - ATCGC - 3'5' - ATTCGC - 3' - 58. Multiple ChoiceA base pair substitution can result in all of the following except __________.Missense mutationFrameshift MutationSilent MutationNonsense mutation
- 59. Multiple ChoiceWhat kind of mutation is the result of an insertion?Silent MutationMissense mutationNonsense mutationFrameshift mutation
- 60. Multiple ChoiceMutations usually _____________Are helpfulAre harmfulAre awesomehappen spontaneously
- 61. Multiple ChoiceWhat bio molecule do mutations first manifest themselves in?mRNAProteinsDNAIt could be any of these
- 62. Multiple ChoiceThe gene product is _________Promoter, Operator, Gene, TerminatorPolypeptide ChainDNAOncogenes
- 63. Multiple Choice
Mutations can be...
Harmful
Beneficial
Neutral
All of the Above
- 64. Multiple Choice
Your enzymes can repair some mutations
True
False
- 65. Multiple Choice
Mutations are...
Changes in the sequence of DNA
Broken chromosomes
Bad genes
- 66. Multiple ChoiceOriginal: ATC CAT
Mutation: ATC GCAT
What mutation occurred?deletioninsertionsilenttransverse - 67. Multiple ChoiceWhat happens in Inversion?Its repeatedThey all get deletedA section of the chromosome gets flippedthey start to cross-over
- 68. Multiple ChoiceWhat happens in Translocation?They all live normalyThey all repeat each otherDifferent chromosomes cross-over with each otherSomething happens
- 69. Multiple ChoiceAny change in the sequence of DNA is...transgenic shiftSingle GenotypeMonohybrid TraitMutation
- 70. Multiple ChoiceWhich organelle is DNA usually found in?cell membranevacuolechloroplastnucleus
- 71. Multiple ChoiceWhat are the building blocks of proteins call?DNARNARibosomesAmino Acids
- 72. Multiple ChoiceWhy are insertion and deletion mutations so harmful?They change all of the codons from the mutation on down the line, which changes the amino acid sequenceThey insert things that an organism doesn't need.They often delete things that organisms need.Insertion and deletions are not any more harmful than substitution mutations.
- 73. Multiple ChoiceATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of aInsertion- FrameshiftDeletion- SubstitutionDeletion -FrameshiftAll of the above - 74. Multiple ChoiceIdentify the SUBSTITUTION mutation from the following DNA sequence:
ATG CCA AATATG TCA AATATG CCT AAA TATC CA ATATG CCA AAT - 75. Multiple ChoiceIdentify the DELETION mutation from the following DNA sequence:
ATG CCA AATATG TCA AATATG CCT AAA TATC CA ATATG CCA AAT - 76. Multiple ChoiceWhich genetic abnormality can be identified through karyotyping?point mutationrecessive alleleextra chromosomessex-linked allele
- 77. Multiple ChoiceWhich of these is the correct order for the chromosome mutations in the image (from top to bottom)?(1) duplication, (2) inversion, (3) substitution, (4) translocation(1) deletion, (2) duplication, (3) inversion, (4) translocation(1) deletion, (2) insertion, (3) translocation, (4) inversio(1) substitution, (2) duplication, (3) translocation, (4) inversion
- 78. Multiple ChoiceWhich type of chromosome mutation is this (use image) and why?Inversion, because the genes are switching places with those of another chromosomeTranslocation, because the genes are switching places with those of another chromosomeInversion, because the genes of the same chromosome are switched to opposite ordersTranslocation, because the genes of the same chromosome are switched to opposite orders
- 79. Multiple ChoiceWhich of the following identifies the type of chromosomal mutation that has occurred on chromosome 18?inversionduplicationtranslocationdeletion
- 80. Multiple ChoiceWhat type of chromosomal mutation has occurred?substitutioninsertiondeletionnondisjunction
- 81. Multiple ChoiceThe technique known as karyotyping is used to detect abnormalities in what?chromosomesribosomesblood and urineamniotic fluid
- 82. Multiple ChoiceA pair of chromosomes that consists of XX is a __________________.MaleFemale
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