What is the role of coding DNA?

It is transcribed into mRNA and translated into proteins

It is transcribed into RNA but not translated

It is only found in prokaryotes

What does Transfer RNA (tRNA) do?

Brings amino acids to ribosomes

What is the function of MicroRNA (miRNA)?

Acts as an adaptor between mRNA and amino acids

What is the primary function of siRNA?

Acts as an adaptor between mRNA and amino acids

What is the primary function of mRNA?

To carry genetic instructions from DNA to ribosomes for protein synthesis.

To transport amino acids to ribosomes.

To synthesize lipids in the cell.

What is the role of ribosomal RNA (rRNA) in the cell?

It forms the core of the ribosome's structure and catalyzes protein synthesis.

It regulates gene expression by binding to mRNA.

It transports amino acids to the ribosome.

It carries genetic information from DNA to ribosomes.

Which of the following is a characteristic of a eukaryotic genome?

It is linear and contained within a nucleus.

It is composed entirely of RNA.

It is circular and found in the cytoplasm.

What is the function of a promoter in DNA?

It initiates the process of transcription.

It splices introns from pre-mRNA.

It translates mRNA into proteins.

What is the function of telomeres in DNA?

They protect the ends of chromosomes from deterioration.

They are involved in protein synthesis.

Which of the following correctly matches the process with its product?

Transcription → amino acid chain

What is the role of rRNA in translation?

Forms part of the ribosome and catalyses peptide bond formation

The sequence of amino acids in a protein is determined by

The order of codons on the mRNA

The position of introns in the gene

Which of the following best describes the difference between introns and exons ?

Introns are non-coding regions removed from pre-mRNA, exons are coding regions expressed in protein

Introns are translated; exons are not

Both are removed before translation

Exons occur only in prokaryotic genes

Which of the following would most likely occur if a stop codon is introduced prematurely by a mutation?

The protein would be shorter and likely non-functional

The protein would be longer than normal

The mRNA would be spliced incorrectly

Translation would continue normally

Explain the difference in location and timing of transcription and translation between prokaryotic and eukaryotic cells.

In prokaryotes, both occur simultaneously in the cytoplasm; in eukaryotes, transcription occurs in the nucleus and translation in the cytoplasm

Both occur in the nucleus for eukaryotes

Translation precedes transcription in both

In eukaryotes, translation occurs before mRNA splicing

DNA and Protein Synthesis Quiz

12th Grade

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52 Qs

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DNA and Protein Synthesis Quiz

Quiz

•

Biology

•

12th Grade

•

Practice Problem

•

Medium

Sam Walkley

Used 2+ times

FREE Resource

52 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do genes code for?

Proteins or RNA molecules

Lipids or carbohydrates

Vitamins or minerals

Sugars or starches

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of mRNA splicing, and what happens to introns and exons during this process?

Evaluate responses using AI:

OFF

OPEN ENDED QUESTION

3 mins • 1 pt

explain the role of mRNA in protein synthesis.

Evaluate responses using AI:

OFF

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are genes described as in terms of inheritance?

Heritable factors

Non-heritable factors

Environmental factors

Random factors

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how a mutation in the DNA sequence could change the resulting protein, giving an example of a possible effect on protein structure or function.

Evaluate responses using AI:

OFF

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a genome refer to?

The total set of proteins in an organism

The total set of genes in an organism

The total set of cells in an organism

The total set of chromosomes in an organism

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many chromosomes are there in the human genome?

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Protein Synthesis

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DNA and Protein Synthesis Quiz

52 questions

What do genes code for?

What is the purpose of mRNA splicing, and what happens to introns and exons during this process?

explain the role of mRNA in protein synthesis.

What are genes described as in terms of inheritance?

Explain how a mutation in the DNA sequence could change the resulting protein, giving an example of a possible effect on protein structure or function.

What does a genome refer to?

How many chromosomes are there in the human genome?

When was the first draft of the human genome published?

What is the basic structural unit of DNA?

What is non-coding DNA also known as?

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