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- 1. Multiple Choice
What term describes when mRNA is read 3 consecutive letters (bases) at a time and it codes for a single amino acid?
Codon
Anticodon
Polypeptide
Gene
- 2. Multiple Choice
What is the group of 3 unpaired bases that is complentary with the mRNA and is how tRNA is able to deliver the correct amino acid to the ribosome?
Codon
Anticodon
Polypeptide
Gene
- 3. Multiple Choice
What is the mRNA sequence that complements the following DNA sequence: TATAAACGCTAGGCAG
ATATTTGCGATCCGTC
AUAUUUGCGAUCCGUC
TATAAACGCTAGGCAG
UTUTTTGCGUTCCGTC
- 4. Multiple Choice
If the mRNA codon reads UUU, it would translate into which amino acid?
Phenylalanine
Stop
Leucine
Lysine
- 5. Multiple Choice
If the mRNA codon reads UUC, the corresponding anti-codon would read?
TTG
AAG
UUC
AAC
- 6. Multiple Choice
If the mRNA codons read ACA-GUA-GAA-UUG-AUC, what amino acids make up the protein sequence?
Cys-Val-Gly-Ser-Stop
Cys-His-Leu-Asn-Stop
Thre-Val-Glu-Leu-Iso
None of the above
- 7. Multiple Choice
Which of the following is used to code for the amino acid?
rRNA
tRNA
mRNA
Ribosome
- 8. Multiple Choice
Where in the cell does transcription take place?
Nucleus
Cytoplasm
Ribosome
Mitochondria
- 9. Multiple Choice
If AUGCCG is the original sequence, and AGCCG is the mutated sequence, what type of mutation do you have?
Insertion
Point
Substitution
Deletion
- 10. Multiple Choice
What is the role of mRNA in expressing specialized structures?
Making energy available for cellular activities
Creating bonds to from biomolecules
Producing sugars that assist with replication
Providing information to form proteins
- 11. Multiple Choice
Which component of the DNA molecule provides instructions for the production of the protein and determines the traits of the organism?
The phosphate group
The sugar molecule
The sequence of nitrogen bases
The hydrogen bonds that hold the sugars to the bases
- 12. Multiple Choice
What is the purpose of the cellular process shown in the image?
Preserving genetic information for future generations
Deleting the information in the sequence produced from the DNA template
Transcribing information in the DNA sequence for use by the cell
Producing more nucleotides for the DNA sequence
- 13. Multiple Choice
Which of the following carries the amino acid to the site of protein synthesis?
mRNA
tRNA
rRNA
Ribosome
- 14. Multiple Choice
What type of biomolecule is being produced in the image?
Carbohydrate
Lipid
Nucleic Acid
Protein
- 15. Multiple Choice
A sequence of DNA codes for part of a gene and is listed below. How many amino acids are coded for by this segment. 5' ATCAGCGCTGGC 3'
4
8
12
20
- 16. Multiple Choice
What is a mutation?
The specific sequence of bases in a molecule of DNA
A change in the genetic material of a cell
The process by which a molecule of DNA make a copy of itself
The perfect replication of DNA molecule
- 17. Multiple Choice
What codon is required for a protein to be synthesized?
UAG
UGG
AUG
UAA
- 18. Multiple Choice
Translation is the process of _____ ?
Converting codons to anticodons
Reading mRNA and finding the tRNA complement
Reading mRNA and building a protein by attaching the coded amino acids
Making the complementary strand of mRNA from the DNA sequence
- 19. Multiple Choice
Which of the following bases replaces thymine in RNA?
Uracil
Adenine
Cytosine
Guanine
- 20. Multiple Choice
Mutations result in which of the following?
Changes in DNA sequence
Genetic variation in a species
Differing amino acid sequence
All of the above
- 21. Multiple Choice
The final product resulting from the cellular process of transcription is __?
An exact copy of DNA
A complimentary strand of mRNA
A complimentary strand of tRNA
A strand of multiple amino acids held together with peptide bonds
- 22. Multiple Choice
The difference between DNA and RNA is (Choose all that apply)
DNA is double stranded while RNA is single
DNA uses A,G,T,C but RNA uses ACGU
DNA is made by the ribosomes and RNA is made by the golgi bodies
- 23. Multiple Choice
_________________is the process of transcribing DNA into MRNA.
TRANSCRIPTION
TRANSLATION
REPLICATION
- 24. Multiple Choice
___________takes information from the nucleus out into the cell.
tRNA
rRNA
mRNA
- 25. Multiple Choice
Which one of these nitrogen bases is not found in RNA?
adenine
thymine
guanine
- 26. Multiple Choice
amino acids can be found on the tRNA floating in the ________of a cell
cytoplasm
nucleus
vacuole
golgi
- 27. Multiple Choice
RNA contains _______instead of deoxyribose like DNA
Phosphate
nitrogenous base
ribose
- 28. Multiple Choice
What are the 3 kinds of RNA?
mRNA, rRNA, tRNA
messenger RNA, ribosomal RNA, transfer RNA
metamorphosis RNA, rock star RNA, templated RNA
- 29. Multiple Choice
Transcription starts in the __________________ of a cell
endoplasmic reticulum
cytoplasm
nucleus
mitochondria
- 30. Multiple Choice
_____________holds the mRNA still so the tRNA can transfer its amino acid
tRNA
rRNA
mRNA
- 31. Multiple Choice
What is wrong with this strand of mRNA?
ACA TTG GCC ATC GA
it contains Thymine and should contain uracil
there are not enough codons
it is perfectly fine
- 32. Multiple Choice
If RNA or DNA is mutated by either deletion or insertion, then DNA/RNA strand will be off from the mutation onward and is called
frameshift
substitution
nonsense
missense
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