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- 1. Multiple ChoiceWhich two processes are involved in protein synthesis?Replication and TranscriptionReplication and TranslationTranscription and Translation
- 2. Multiple ChoiceWhich of the following molecules is made during transcription?DNAtRNAproteinmRNA
- 3. Multiple ChoiceWhich of the following bases is found only in RNA?AdenineGuanineThymineUracil
- 4. Multiple ChoiceWhich form of RNA carries amino acids from the cytoplasm to the ribosome?amino RNAribosomal RNAtransfer RNAmessenger RNA
- 5. Multiple ChoiceWhat are the three base segments of mRNA called?anticodonscodonstriplets
- 6. Multiple ChoiceTranscribe the following sequence of DNA into RNA:
AAG CTT TGCTTC GAA ACGUUC GAA ACGTTC GUU UCGUUC GUU UCG - 7. Multiple ChoiceWhat would be the complementary DNA strand for the following nucleotide sequence?
TCG ATA CGAAGC ATA GCTAGC TAT GCTAGC UAU GCUUGC TUT GCT - 8. Multiple ChoiceWhich of the following terms means that in each molecule of DNA made during replication there is one original strand and one new strand?AntiparallelSemi-conservativeComplementary base-pairing
- 9. Multiple Choice
Proteins are chains of amino acids bonded together. Which is the correct sequence for making proteins?
Information is DNA is transferred into RNA and then made into protein
Information in DNA is formed into protein directly.
Information in RNA mutates into DNA and then is made into protein
Information in RNA uses thermal energy to make protein
- 10. Multiple Choice
Which of the following best describes a DNA molecule?double helixcontains ribosemade of amino acidscontains Uracil - 11. Multiple ChoiceCytosine always pairs withAdenineThymineUracilGuanine
- 12. Multiple ChoiceWhich organelle is DNA usually found in?cell membranevacuoleribosomenucleus
- 13. Multiple ChoiceIn DNA, Adenine bonds with ______________.GuanineThymineCytosineAdenine
- 14. Multiple ChoiceWhat does DNA stand for?Deoxyribonucleic acidDenitrogenous acidDeribonucleic acidDiribonucleic acid
- 15. Multiple ChoiceIn a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount ofcytosineguaninethymineuracil
- 16. Multiple ChoiceWhat are the three components of a nucleotide?sugar, hydrogen, nitrogen basesugar, oxygen, nitrogen basesugar, phosphate, nitrogen basesugar, phosphate, protein
- 17. Multiple Choice
A change in a DNA sequence(order) that affects genetic information.
Recessive trait
Mutation
Allele
- 18. Multiple ChoiceThe enzyme that unwinds the DNA to prepare for replicationhelicasereplicasepolymerasesynthase
- 19. Multiple ChoiceWhy does DNA replicate?To create another copy for the new cellTo create a duplicate copy in case the original gets damagedTo create a new copy to replace the damaged original
- 20. Multiple Choice
Name this structure
double helix
nucelotide
twisted ladder
hydrogen bond
- 21. Multiple ChoiceNitrogenous bases are joined by which type of bond?polar bondsionic bondscovalent bondshydrogen bonds
- 22. Multiple ChoiceGenetic info flows in one direction. Which best represents this flow?DNA-protein-RNAProtein-RNA-DNARNA-protein-DNADNA-RNA-protein
- 23. Multiple ChoiceThe process to go from DNA to mRNA is _______translationtranscriptionreplication
- 24. Multiple ChoiceThe process to go from mRNA to a protein is called ____transcriptionrRNAreplicationtranslation
- 25. Multiple ChoiceWhat amino acid is represented by the codon UUA?PhenylalanineTyrosineLeucineStop codon
- 26. Multiple ChoiceWhat process is going on in this photo?TranscriptionTranslationReplicationAll the above
- 27. Multiple ChoiceWhat is the three base sequence of mRNA that codes for a single amino acid?AnticodonCodonProtein
- 28. Multiple ChoiceHow many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA42612 - 29. Multiple ChoiceWhich change below would result in a different Amino Acid?
3'-GCT-5'GTTTCTTCCGCA - 30. Multiple Choice
What amino acid is represented by the codon AUG?
Phenylalanine
Methionine
Leucine
Stop codon
- 31. Multiple Choice
If the DNA sequence of a gene is TAC CCC GGA GAG, what mRNA sequence will be produced in transcription?
RNA Polymerase
AUG GGG CCU CUC
ATG GGG GGT GTG
AUG GGG CCU CUG
AUG CCG GCA CGG
- 32. Multiple Choice
What amino acid would be added to the protein being formed during translation if the mRNA codon reads "CCU?"
Isoleucine
Stop
Methionine
Proline
- 33. Multiple ChoiceWhat is the correct amino acid sequence for the mRNA code AUGCCAGUAUGAMet-Pro-Ala-ValMet-Pro-ValTyr-Gly-HisTyr-Gly-Arg-His
- 34. Multiple Choice
What is the correct amino acid sequence for the mRNA code AUG GCA AAC CGU
Met-Ala-Asn-Ala
Met-Ala (because the third codon codes for STOP)
Ileu-Ala-Asn-Ala
Met-Ala-Asn-Arg
Ileu-Ala-Asn-Ala
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