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26 questions
Which answer models central dogma?
DNA to protein to RNA
RNA to DNA to protein
DNA to RNA to protein
protein to RNA to DNA
Genotype represents...
your physical traits
your genetic make up
your mRNA
your tRNA
Phenotype represents...
your physical traits
your genetic make up
your mRNA
your tRNA
What is the result of transcription?
The synthesis of RNA from protein
The synthesis of protein from RNA
The synthesis of protein from DNA
The synthesis of RNA from DNA
What is the result of translation?
The synthesis of RNA from protein
The synthesis of protein from RNA
The synthesis of protein from DNA
The synthesis of RNA from DNA
In which organelle does transcription occur?
Nucleus
Ribosome
Mitochondria
Golgi apparatus
At which organelle does translation occur?
Nucleus
Ribosome
Mitochondria
Golgi apparatus
Which of the following is a difference between DNA and RNA?
DNA has thymine, whereas RNA has uracil
DNA is double-stranded, RNA is single-stranded
DNA contains a sugar, RNA does not
DNA cannot leave the nucleus, RNA can
Nucleotides are to nucleic acids, as ____________ are to proteins.
codons
peptides
DNA
amino acids
What is the role of RNA polymerase?
To synthesize DNA
To synthesize RNA
To synthesize amino acids
To synthesize protein
What role does the mRNA play in protein synthesis?
mRNA modifies the original DNA strand
mRNA mutates to form protein
mRNA is the transcribed message from a DNA sequence
mRNA moves the amino acids
What does rRNA represent?
Ribosomal RNA
Reconstructed RNA
Reactive RNA
Reusable RNA
What is the role of tRNA?
To treat the DNA strand
To transfer codons
To transfer amino acids
To tackle mutations
Codons represent a...
triplet sequence of bases
single sequence of bases
quadruple sequence of bases
pair of bases
Codons are located on the...
DNA
mRNA
rRNA
tRNA
Anticodons are complementary to...
codons
amino acids
nucleotides
nitrogenous bases
Anticodons are located on the...
DNA
mRNA
rRNA
tRNA
What is the start codon?
UAC
TAC
AUG
GUA
Can more than one codon code for the same type of amino acid?
yes
no
When reading the codon chart, which molecule do you reference?
DNA
mRNA
tRNA
rRNA
How many codons are required for one amino acid?
1
2
3
4
How many codons are required for three amino acids?
1
2
3
4
If the codon triplet is ACA, what amino acid is being requested?
Threonine
Tyrosine
Cysteine
Histidine
If the codon triplet is CGU, what amino acid is being requested?
Alanine
Aspartic Acid
Arginine
Asparagine
If the anti-codon triplet is CGU, what amino acid is being transfered?
Alanine
Aspartic Acid
Arginine
Asparagine
If the anti-codon triplet is UUU, what amino acid is being transfered?
Leucine
Lysine
Proline
Phenylalanine
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