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17 questions
In what process is mRNA synthesized?
Transcription
Translation
DNA Replication
Mitosis
Where does TRANSCRIPTION occur?
Nucleus
Ribosome
Cytoplasm
Mitochondria
Why must transcription occur where DNA can be found?
because DNA can't leave
because ribosomes are in the nucleus
because DNA polymerase is found there
because helicase unzips the DNA
How many nucleotides equal 1 amino acid?
1
2
3
4
What does the codon sequence on the mRNA strand determine?
The gene sequence of the DNA
The amino acid sequence of the protein
The codon that is signaled
The signaling sequence
Which is of the following statements best describes the structure, or makeup, of a codon?
A codon is a 3-letter nucleotide sequence found on the tRNA.
A codon is a growing protein chain.
A codon is a gene sequence found on the DNA strand.
A codon is a 3-letter nucleotide sequence found on the mRNA.
Where in the cell is the information from the mRNA strand translated into an amino acid chain?
The ribosomes
The cell membrane
In the nucleus
On the DNA strand
Which of the following is the best explanation of the process of translation?
An mRNA strand is copied from the original DNA sequence.
Amino acids are placed in order to build a protein.
A piece of DNA is moved along the chromosome.
DNA is changed due to a mistake or environmental factor.
A strand of DNA is made of a segment of nucleotides in this order: GTCTAG. Which of the following sequences would be the correct complementary strand of RNA?
GTCTAG
CAGATC
GUCUAG
CAGAUC
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