dna unit 7 quiz. what is the complimentary mrna sequence to the dna sequence a-t-t-g-c-a? a....
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DNAUnit 7 Quiz
What is the complimentary mRNA sequence to the DNA sequence
A-T-T-G-C-A?
a. T-A-A-G-C-Ab. U-A-A-C-G-Uc. T-A-A-C-G-Td. U-A-A-C-G-T
If DNA is like a ladder, the “hand rails” are made up of:
a. Amino acids & proteinsb. Nucleotides & nitrogen basesc. Adenine & Uracild. Phosphate group and sugar
What kind of molecule is this?
a. tRNAb. RNAic. mRNAd. rRNA
Which of the following would have a weak hydrogen bond between
them?
a. Phosphate group & Deoxyriboseb. Nucleotide & Uracilc. Guanine & Adenined. Adenine & Thymine
What kind of molecule is labeled X in the diagram below?
a. tRNAb. RNAic. mRNAd. rRNA
X
What does DNA and RNA have in common?
a. Both contain deoxyriboseb. Both contain thyminec. Both are single strandedd. Both contain phosphate groups
What is the complimentary DNA sequence to A-T-T-G-C-A?
a. T-A-A-C-G-Tb. U-A-A-C-G-Uc. T-T-A-C-G-Ad. U-A-A-C-G-T
What is the purpose of tRNA?
a. It translates DNA into mRNAb. It transports amino acids to the ribosomec. It transforms ribosomesd. It delivers codons from DNA
The nucleus is removed from a somatic cell of 1 organism & is placed in an egg cell that has its nucleus removed. This process results in the production of organisms that are genetically
alike. This is called:
a. DNA fingerprintingb. Gene therapyc. Selective breedingd. Cloning
What is this structure called?
a. DNAb. Double helixc. RNAd. Nucleotide
Which could cause mutations?
a. Old ageb. Exercise c. Radiationd. Bacterial infections
DNA insertion mutations may be caused by the
invasion of:
a. Virusesb. Fungusc. Protozoansd. Amoebas
What type of mutation is in the diagram below?
a. Deletionb. Substitutionc. Inversiond. Insertion
This nucleic acid is responsible for the transmission of information
from the genetic code in the nucleus to the ribosomes?
a. tRNAb. mRNAc. rRNAd. RNAi
What process is occurring in the diagram below?
a. Replicationb. Transcriptionc. Deletiond. Translation
This contains the blueprint for making
proteins:
a. tRNAb. DNAc. rRNAd. ATP
These organelles “read” mRNA instructions:
a. Ribosomesb. Mitochondriac. Golgi Bodyd. Lysosomes
Which of the following sequence of processes
correctly reflects how proteins are made?
a. Protein synthesis, transcription, translation
b. Protein synthesis, translation, transcription
c. Transcription, translation, protein synthesis
d. Translation, transcription, protein synthesis
What is a possible use of DNA fingerprinting?
a. Paternity testingb. Gene therapyc. Transgenic speciesd. Cloning
Translate the following code into an polypeptide chain:
AUG GGG UAA
a. Methionine, Glycine, Stop
b. Valine, Alanine, Serine
c. Methionine, Alanine, Stop
d. Alanine, Valine, Serine
The End
Answer Key1. B 11. C2. D 12. A3. C 13. D4. D 14. B5. A 15. D6. D 16. B7. A 17. A8. B 18. C9. D 19. A10. D 20. A