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WorksheetsTranslation of mRNA to Protein
Total questions: 25
Worksheet time: 25mins
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
mRNA
tRNA
rRNA
RNA polymerase
DNA codes for (or makes) a _______________?
Protein
Life form
chromosome
mRNA strand
DNA makes RNA → RNA makes proteins →
Proteins make life.
Homeostasis
Mendelian Genetics
Central Dogma
Myocardial Infarction
Which of the following regarding the basic mechanism of gene expression is correct?
a. DNA ―> RNA ―> protein
b. DNA ―> protein ―> RNA
c. RNA ―> DNA ―> mRNA ―> protein
d. RNA ―> DNA ―> tRNA ―> protein
Which process converts mRNA into a protein?
Transcription
Translation
Replication
Mutation
In the context of a biology lab experiment, Avery, Samuel, and Noah are observing a sample of mRNA under a microscope. They are discussing the role of a specific sequence. What is the significance of the start codon in this mRNA sample?
It signals the ribosome to stop translation.
It carries the signal to add a specific amino acid.
It signals the ribosome to start translation.
It marks the end of the mRNA molecule.
What is the role of mRNA in protein synthesis?
To bring amino acids to the ribosome
To carry the genetic code from DNA to the ribosome
To form the structure of ribosomes
To replicate DNA
How does the genetic code determine the sequence of amino acids in a protein?
By the number of nucleotides in DNA
By the sequence of sugars in mRNA
By the order of nitrogenous bases in mRNA
By the structure of the ribosome
Describe the process of translation in terms of molecular interactions.
tRNA molecules match their anticodons with codons on mRNA to add amino acids to the growing polypeptide chain.
DNA directly synthesizes proteins without the need for mRNA.
Proteins are synthesized directly from DNA in the nucleus.
mRNA is replicated to form proteins.
Imagine Ethan is a chef trying to match the right ingredients (tRNA) with the recipe on his cooking book (mRNA). What is this process, similar to how tRNA matches its anticodon with the correct codon on the mRNA, called?
Replication
Transcription
Translation
Codon recognition
What ensures that the correct amino acid is added to the growing polypeptide chain during translation?
The matching of the tRNA anticodon with the mRNA codon
The sequence of DNA
The size of the ribosome
The type of amino acid
Which of the following best describes the role of mRNA in protein synthesis?
It carries amino acids to the ribosome.
It carries the genetic code from DNA to the ribosome.
It forms the main structural component of the ribosome.
It assists in the replication of DNA.
Which process converts mRNA into a sequence of amino acids?
Replication
Transcription
Translation
Mutation
During the process of creating a new protein in a cell, what determines the order of amino acids that Sophia's experiment observes?
The sequence of nucleotides in tRNA
The sequence of nucleotides in mRNA
The sequence of nucleotides in rRNA
The sequence of nucleotides in DNA
During translation, what is the role of ribosomes?
To replicate DNA
To synthesize proteins
To mutate RNA
To transcribe DNA
In the process of building a protein in a cell, what role does tRNA play?
Carries amino acids to the ribosome
Transfers genetic code from the nucleus
Forms the structure of the ribosome
Unzips the DNA strand
What is the function of ribosomes in protein synthesis?
To replicate DNA
To synthesize lipids
To synthesize proteins
To modify proteins
What is the role of the start codon in mRNA during translation?
It signals the ribosome to begin translation.
It signals the ribosome to stop translation.
It codes for the first amino acid in the protein.
It marks the end of the mRNA sequence.
Which molecule carries amino acids to the ribosome during protein synthesis?
mRNA
tRNA
rRNA
DNA
What is the primary function of ribosomes in the cell?
To replicate DNA
To synthesize proteins
To transcribe RNA
To modify proteins
During translation, how is the correct amino acid added to the growing polypeptide chain?
By matching the tRNA anticodon with the mRNA codon
By the sequence of DNA
By the size of the ribosome
By the type of amino acid
What ensures the accuracy of protein synthesis during translation?
The proofreading ability of ribosomes
The sequence of nucleotides in DNA
The matching of tRNA anticodons with mRNA codons
The structure of the ribosome
In the context of translation, what is the significance of the genetic code being described as 'universal'?
It is the same in almost all organisms.
It varies significantly between species.
It only applies to eukaryotic organisms.
It is unique to each individual organism.
Which of the following best describes the process of translation?
Conversion of DNA to RNA
Conversion of mRNA to a protein
Replication of DNA
Mutation of RNA
What is the role of mRNA in the process of translation?
To carry the genetic code from DNA to the ribosome
To bring amino acids to the ribosome
To form the structure of ribosomes
To replicate DNA
