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Biology
11th -
12thgrade
**AP Bio DNA Structure/Replication/Protein Synthesis**
40 questions
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- 1. Multiple ChoiceWhich ribosome part contains a tRNA after it has dropped off its amino acid & is about to exit?A siteP siteE siteB site
- 2. Multiple ChoiceHow many nucleotides code for each amino acid?12364
- 3. Multiple ChoiceWhich represents the correct order of "the central dogma of molecular biology"?protein to DNA to mRNA to traitDNA to mRNA to protein to traitDNA to protein to mRNA to traittrait to DNA to protein to mRNA
- 4. Multiple Choice
What helps RNA polymerase attach to a gene in transcription? Also, name the gene section. (Ch 13)
transcription factors, elongator
transcription factors, promoter
enzymes, terminator
enzymes, promotoer
- 5. Multiple ChoiceArea of the ribosome that holds the tRNA that is carrying the growing polypeptide chain?APEX
- 6. Multiple Choice
The end of the growing RNA strand in transcription to which RNA polymerase can add nucleotides? (Think: Reading DNA 3' to 5', creating 5' to .....)
3'
5'
1'
2'
- 7. Multiple Choice
Which of the following represent the order that a codon goes through the ribosome sites? (Except for the very first tRNA)
A->P->E
P->A->E
E->A->P
A->E->P
- 8. Multiple ChoiceFlexible base pairing between some tRNAs & codons where 3rd base can mismatch?wobblegobbleautonomymismatch
- 9. Multiple ChoiceTranscribe this DNA sequence to mRNA: AAACCGGCCUUUGGCCGCTTTGGCGGGTTTGGCCGGUUUGGCCGG
- 10. Multiple ChoiceWhat are the monomers of proteins?glycerolmonosaccharidesamino acidsfatty acids
- 11. Multiple ChoiceWhat are the 3 parts of any nucleotide?amino acid, sugar, nitrogen basesugar, phosphate, nitrogen basesugar, phosphate, amino acidsugar, phosphate, glycerol
- 12. Multiple Choice
What happens in RNA processing and where does it occur?
5' cap and 3' poly A tail added, cut out introns, in nucleus
3' cap and 5' poly A tail added, in cytoplasm
introns cut out and introns reattached, nucleus
introns cut out and exons reattached, cytoplasm
- 13. Multiple ChoiceWhat is an exon?section of mRNA that codes for proteinsection of mRNA that does not code for proteinsection of tRNA that codes for proteinsection of rRNA that codes for protein
- 14. Multiple ChoiceWhere are anticodons found?on mRNAon DNAon rRNAon tRNA
- 15. Multiple ChoiceWhat makes up a spliceosome and what does a spliceosome do?proteins & snRNPs, cuts out DNA piecesproteins & snRNPs, cuts out exons & reconnects intronsproteins & snRNPs, cuts out introns & reconnects exonsmany nucleosomes, cuts the cheese
- 16. Multiple ChoiceWhich enzyme copies a segment of DNA called a gene to make a mRNA molecule?DNA polymeraseDNA primaseRNA primaseRNA polymerase
- 17. Multiple Choice
Where is the TATA box found? (later)
in the promoter sequence of prokaryotes
in the terminator sequence of prokaryotes
in the promoter sequence of eukaryotes
in the terminator sequence of eukaryotes
- 18. Multiple ChoiceWhich of the following is NOT a difference between RNA and DNA?RNA is single stranded while DNA is double strandedRNA has uracil while DNA has thymineRNA has ribose while DNA has deoxyriboseRNA is a nucleic acid while DNA is a protein
- 19. Multiple ChoiceWhat is the function of amino acyl-tRNA synthetase?add amino acid to tRNAadd tRNA to ribosomeadd amino group to amino acidadd anticodons to codons
- 20. Multiple ChoiceWhich of the following processes consume ATP (or similar stored energy molecule)?transcriptionRNA processingtranslationall of the above
- 21. Multiple ChoiceWhich of the following is NOT a function of the 5' cap added in RNA processing?site of attachment of ribosomeprotect mRNA from degradationhelps mRNA leave nucleuscarries information to make protein
- 22. Multiple Choice
Type of point mutation that has no change on the protein being made. (Ch 13)
Nonsense Mutation
Missense
Silent Mutation
- 23. Multiple ChoiceExons areleft in the mRNAremoved from the mRNA
- 24. Multiple ChoiceWhich of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.)amino acidsnucleotidesfatty acidspolysaccharides
- 25. 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
- 26. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 27. 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
- 28. Multiple ChoiceThe enzyme that unzips the DNA to prepare for replicationhelicasereplicasepolymerasesynthase
- 29. Multiple ChoiceDNA replication results in two DNA molecules,each one with two original strandseach one with two new strandseach one with one new strand and one original strandone with two new strands and the other with two original strands
- 30. Multiple Choiceorder of replication3, 2, 1, 42, 1, 4, 32, 3, 1, 43, 4, 1, 2
- 31. Multiple ChoiceWhich enzyme fixes the Okazaki fragments in the lagging strand?HelicasePolymeraseLigasePrimerase
- 32. Multiple ChoiceWhat are the gaps between the newly synthesized DNA on the lagging strand called?Okazaki fragmentsPolymer gapsHelicase fragmentsAcidic gaps
- 33. Multiple ChoiceIf a strand reads:
3' A A A T T T C 5'
The matching strand would read...5' T T T A A A G 3'3' T T T A A A G 5'5' A A A T T T C 3'3' U U U A A A G 5' - 34. Multiple ChoiceThis picture is illustrating the ____ nature of DNA.anti-paralleldeoxyribosichelicalradioactive
- 35. Multiple ChoiceThe enzyme that splits open the DNA creates what's called a fork - where the DNA separates into the lagging strand and the ______ strand.leadingleveragingOkazakiligase
- 36. Multiple ChoicePolymerase is able to replicate the new DNA ______ along the leading strand.continuouslyonly in short fragmentsvery slowlyprokaryotically
- 37. Multiple ChoiceBased on the diagram, the enzyme (represented in gray) is most likely...DNA polymeraseDNA LigaseNucleaseHelicase
- 38. Multiple Choice
Proteins that DNA winds itself around to for Chromosomes
Histone
Double Helix
Chromatin
Chromatin
- 39. Multiple Choice
#3 setting Primers
Ligase
Helicase
Polymerase
Primase
- 40. Multiple Choice
#5
Leading strand
Lagging Strand
Replication fork
Helicase
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