What is the form of the information content of DNA?

Specific sequences of nucleotides

Random sequences of amino acids

What role do proteins play in the relationship between genotype and phenotype?

Proteins are the links between genotype and phenotype

Proteins are unrelated to genotype and phenotype

Proteins convert phenotype to genotype

What role do genes play in protein synthesis?

They provide instructions for making specific proteins

They replicate proteins directly

What is the role of mRNA in protein synthesis?

It copies the genetic code from DNA and carries it to the ribosome.

It carries amino acids to the ribosome.

It forms the structure of the ribosome.

It catalyzes the formation of peptide bonds.

What is the role of mRNA during translation in the ribosomes?

It determines the amino acid sequence of a polypeptide.

It breaks down proteins into amino acids.

It transports amino acids to the ribosome.

What is a key difference in protein synthesis between prokaryotes and eukaryotes?

Prokaryotes lack nuclei, so transcription and translation occur simultaneously.

Prokaryotes have nuclei, so transcription and translation occur separately.

Eukaryotes lack nuclei, so transcription and translation occur simultaneously.

Eukaryotes have nuclei, so transcription and translation occur simultaneously.

In prokaryotic cells, where do ribosomes attach during protein synthesis?

To the leading end of a mRNA molecule

To the middle of a mRNA molecule

To the end of a polypeptide chain

What is the role of RNA polymerase during eukaryotic transcription?

It separates DNA strands and bonds RNA nucleotides.

It adds nucleotides to the 5' end of the growing polymer.

It creates a 3' to 5' RNA molecule.

What comprises a transcription unit?

Coding sequence, promoter, and terminator

Promoter, terminator, and RNA polymerase

Coding region, terminator, and RNA polymerase

Promoter, coding region, and RNA polymerase

What are the three stages of transcription?

Initiation, Elongation, Termination

Replication, Translation, Mutation

Initiation, Translation, Termination

Replication, Elongation, Termination

In prokaryotes, what can RNA polymerase do directly?

Recognize and bind to the promoter

Create a transcription initiation complex

What role do transcription factors play in eukaryotes?

They recognize the promoter region

They bind directly to RNA polymerase

What is the TATA box?

A specific DNA sequence in the promoter region

What is formed when RNA polymerase binds to transcription factors and the promoter?

A transcription initiation complex

What is the role of RNA polymerase as it moves along the DNA?

It untwists the double helix, 10 to 20 bases at a time.

It breaks the DNA into single strands.

It removes nucleotides from the DNA.

It forms a triple helix structure.

What happens to the double helix behind the point of RNA synthesis?

It re-forms and the RNA molecule peels away.

It becomes permanently separated.

What is the function of the 5' cap in pre-mRNA processing?

It helps protect mRNA from hydrolytic enzymes

How does the 5' cap function in relation to ribosomes?

It functions as an "attach here" signal

It acts as a termination signal

What is one function of the poly(A) tail in mRNA?

Facilitates export of mRNA from the nucleus

What are introns in eukaryotic genes?

Noncoding stretches of nucleotides

Coding regions translated into amino acids

Regions that make up the Poly(A) tail

What is the purpose of RNA splicing in eukaryotic cells?

To add a Poly(A) tail to the RNA

What does the final mRNA transcript include after splicing?

Coding regions and untranslated regions

Module 6 Quiz

Authored by Shania Trejo

Science

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55 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the diagram primarily illustrate?

A protein structure

A gene within a DNA double helix

A cell membrane

A chromosome

What are the parts of a gene and their functions?

Exons, Introns, Promoter - Coding, Non-coding, Initiation

Codons, Anticodons, Ribosomes - Translation, Transcription, Protein Synthesis

Nucleus, Cytoplasm, Ribosome - Storage, Transport, Synthesis

DNA, RNA, Protein - Replication, Transcription, Translation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the potential products made by gene expression?

Proteins and Enzymes

Lipids and Carbohydrates

Vitamins and Minerals

Water and Oxygen

What modifications are made to an mRNA transcript before it leaves the nucleus?

Capping, Polyadenylation, Splicing

Replication, Translation, Transcription

Folding, Unfolding, Refolding

Methylation, Acetylation, Phosphorylation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which structures perform the process of translation?

Ribosomes

Nucleus

Mitochondria

Golgi Apparatus

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a codon and how is it different from an anticodon?

Codon is a sequence of three nucleotides on mRNA, anticodon is on tRNA

Codon is a sequence of amino acids, anticodon is a sequence of proteins

Codon is a sequence of lipids, anticodon is a sequence of carbohydrates

Codon is a sequence of sugars, anticodon is a sequence of fats

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you use the genetic code table to translate an mRNA sequence?

Match codons to amino acids

Match nucleotides to lipids

Match proteins to carbohydrates

Match sugars to fats

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Module 6 Quiz

What does the diagram primarily illustrate?

What are the parts of a gene and their functions?

What are the potential products made by gene expression?

What modifications are made to an mRNA transcript before it leaves the nucleus?

Which structures perform the process of translation?

What is a codon and how is it different from an anticodon?

How do you use the genetic code table to translate an mRNA sequence?

What is the form of the information content of DNA?

What role do proteins play in the relationship between genotype and phenotype?

What are the two stages of gene expression?

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