DNA, Protein Synthesis & Mutations
.
- 1.
![The following diagram represents which of the following selections?
- ProProfs]( "The following diagram represents which of the following selections?")
The following diagram represents which of the following selections?- A.
Purines
- B.
Pyrimidines
- C.
Nucleotide
- D.
Deoxyribose Sugars
- 2.
![The dashed lines between the two bases represents...
- ProProfs]( "The dashed lines between the two bases represents...")
The dashed lines between the two bases represents...- A.
Ionic bonding
- B.
Pyrimidial bonding
- C.
Phosphate-sugar bonds
- D.
Hydrogen bonds
- 3.The backbone of the DNA structure is made up of...
- A.
Alternating phosphates and sugar molecules
- B.
Nucleotides
- C.
Alternating bases and sugars
- D.
Alternating phosphates and bases
- 4.A radioactive isotope of which element would be useful in tagging a molecule of DNA to differentiate it from carbohydrates, lipids, and proteins?
- A.
Sulfur
- B.
Carbon
- C.
Phosphorous
- D.
Nitrogen
- 5.TRUE or FALSE: DNA is found the nucleus in eukaryotic cells.
- A.
TRUE
- B.
FALSE
- 6.According to Chargaff, if an organism’s DNA is 19% thymine, what are the other percentages that account for the other three DNA base pairs?Thymine: 19%Adenine: [blank]%
- 7.According to Chargaff, if an organism’s DNA is 19% thymine, what are the other percentages that account for the other three DNA base pairs?Thymine: 19%Guanine: [blank]%
- 8.According to Chargaff, if an organism’s DNA is 19% thymine, what are the other percentages that account for the other three DNA base pairs?Thymine: 19%Cytosine: [blank]%
- 9.A gene is:
- A.
A piece of clothing that is placed upon the bipedal legs of human.
- B.
A chromosome carrier
- C.
A section of DNA that codes for a protein or RNA molecule.
- D.
A regulatory sequence
- E.
An exon
- 10.What is made during transcription?
- A.
MRNA will make a copy of the DNA
- B.
DNA makes a copy of itself
- C.
TRNA will copy the DNA
- 11.If you have a strand of DNA with the bases C C C G G G T T T A T A, what would the mRNA look like?
- A.
G G G C C C A A A T A T
- B.
G G G G G G A A A T U T
- C.
G G G C C C A A A U A U
- 12.Where does transcription take place?
- A.
Ribosomes
- B.
Nucleus
- C.
Mitochondria
- 13.Initiation of translation in eukaryotes requires which of the following?
- A.
Recognition of Shine Dalgarno sequence
- B.
5' Cap on mRNA
- C.
3' Poly A tail on mRNA
- D.
Initiator tRNA
- 14.Translation occurs in the:
- A.
Nucleolus.
- B.
Golgi apparatus.
- C.
Cytoplasm.
- D.
Intercellular space.
- E.
Center of a black hole.
- 15.Which of the following is NOT a type of RNA?
- A.
Messenger
- B.
Transcription
- C.
Transfer
- D.
Ribosomal
- E.
These are all types of RNA
- 16.Several ribosomes can be translating a mRNA at the same time. When seen under the electron microscope, this cluster of ribosomes is called a _______.
- 17.All cells receive a copy of all genes.
- A.
True
- B.
False
- 18.Where in the cell would rRNA be found?
- A.
Nucleus
- B.
Ribosomes
- C.
Golgi Apparatus
- D.
Cholorplast
- 19.Classify these things as occurring in prokaryotes, eukaryotes, or both. Single loop of DNA
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 20.Classify these things as occurring in prokaryotes, eukaryotes, or both. Chromosomes wound around histones
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 21.Classify these things as occurring in prokaryotes, eukaryotes, or both. Multiple sites of origin in DNA replication
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 22.Classify these things as occurring in prokaryotes, eukaryotes, or both Single origin site for DNA Replication
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 23.Classify these things as occurring in prokaryotes, eukaryotes, or both. Uses DNA polymerase
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 24.Classify these things as occurring in prokaryotes, eukaryotes, or both. RNA is processed after transcription
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
- 25.Classify these things as occurring in prokaryotes, eukaryotes, or both. Transcription/translation can be coupled
- A.
Prokaryotes
- B.
Eukaryotes
- C.
Both
Questions: 10 | Attempts: 11373 | Last updated: Dec 31, 2012
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Sample QuestionWhat is produced during transcription?
Questions: 18 | Attempts: 204 | Last updated: Feb 28, 2018
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Sample QuestionRNA molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell
Questions: 13 | Attempts: 1081 | Last updated: Feb 18, 2013
-
Sample QuestionA gene is a segment of DNA that islocated on a chromosome.
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