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- 1. Multiple ChoiceDNA Replication isconservativesemiconservativeliberaldispersive
- 2. Multiple ChoiceDuring which phase of the cell cycle does DNA replication occur?G1SG2M
- 3. Multiple ChoiceWhat is the purpose of DNA replication?Cut the DNAMake more cellsApoptosisDuplicate the DNA
- 4. Multiple ChoiceWhat unzips the DNA strand?TelomereHelicaseReplication ForkDNA
- 5. Multiple Choice___________ is to DNA and _______ is to RNARibose / DeoxyribosePhosphodiester bonds / 2' Hydroxyl groupNucleotides / NucleosomesDeoxyribose / Ribose
- 6. Multiple ChoiceIf DNA Polymerase is reading the following sequence: 3'-AATCGC-5' what will the enzyme add to the growing DNA strand?5'-GCGATT-3'5'-TTAGCG-3'5'-AATCGC-3'3'-AATCGC-5'
- 7. Multiple ChoiceWhat is mRNA?with proteins, makes up ribosomes; most abundant type of RNAthe coding region; the parts of a gene that are expressedEncodes genetic information from DNA and transports it to ribosomes; where information is translated into amino acid sequencesfunctions as an interpreter in translation; picks up amino acid and transfers it to the right codon
- 8. Multiple ChoiceWhat is tRNA?Encodes genetic information from DNA and transports it to ribosomes; where information is translated into amino acid sequencesfunctions as an interpreter in translation; picks up amino acid and transfers it to the right codonwith proteins, makes up ribosomes; most abundant type of RNAthe coding region; the parts of a gene that are expressed
- 9. Multiple ChoiceAn enzyme that links together the growing chain of RNA nucleotides during transcription, using a DNA strand as a template.RNA SplicingRNA polymeraseUracilmRNA
- 10. Multiple ChoiceOn a tRNA molecule, a specific sequence of three nucleotides that is complementary to a codon triplet on mRNA.AnticodonStop codonrRNAPromoter
- 11. Multiple Choice
What are the base pairs in DNA?
A and G, C and T
A and T, C and G
T and C, G and A
A and C, T and G
- 12. Multiple Choice
Where does protein synthesis take place?
Mitochondria
Nucleus
Vacuole
Ribosomes
- 13. Multiple Choice
The bases of DNA are held together in the middle by _________________ bonds.
Hydrogen
Covalent
Ionic
Polar
- 14. Multiple Choice
The building block (monomer) of DNA:
Amino Acid
Monossacharide
Nucleotide
Fatty Acid
- 15. Multiple Choice
The backbone of DNA is composed of
Purines & Pyrimidines
Sugar & Phosphate
Complementary bases
Sugar & Base
- 16. Multiple Choice
The structure circled in red is...
The base
The DNA molecule
The sugar
The phosphate
- 17. Multiple Choice
The structure circled in red is...
The sugar
The phosphate
The base
The DNA molecule
- 18. Multiple ChoiceThe process of DNA replication is called semi conservative because it results innone of theseTwo DNA molecules. One original molecule and one with two new strandstwo exact copies with new strandstwo identical molecules, each with 1 original strand and one new.
- 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
The fragments on the lagging strand that are made up of repeating segments of DNA and RNA Primers
okazaki fragments
Primase
Polymerase
unused DNA
- 21. Multiple Choice
DNA polymerase moves in the _________ to ____________ direction
3' to 5'
easiest
5" to 3"
9 to 5
- 22. Multiple Choice
Enzyme that connects the DNA to the backbone (glues)
Ligase
Polymerase
Helicase
Primase
- 23. Multiple Choice
Enzyme that breaks hydrogen bonds (unzips)
Ligase
Polymerase
Primase
Helicase
- 24. Multiple ChoiceWhich of the following is not a base found in DNA?adeninethyminecytosineuracil
- 25. Multiple ChoiceWhat are the functions of genes?instructions for producing proteinsinstructions for producing DNAinstructions for producing lipidsthey have no function
- 26. Multiple ChoiceWhat is the process that copies information from DNA into RNA?protein synthesistranscriptiontranslationDNA Polymerase
- 27. Multiple ChoiceWhat is the process that copies information from DNA into RNA?protein synthesistranscriptiontranslationDNA Polymerase
- 28. Multiple ChoiceWhat is the term for a three-nucleotide sequence that codes for an amino acid?basecodonamineserine
- 29. Multiple ChoiceWhich phrase best describes translation?converts mRNA into a polypeptidecatalyzes bonds between amino acidsproduces RNA from DNA moleculesrecycles tRNA molecules for reuse
- 30. Multiple ChoiceA tRNA that carries the amino acid methionine pairs with which type of codon?serine codontRNA codonstart codonanticodon
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