Peptide Modification Techniques
64 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which type of restriction enzyme is non-ATP-dependent and cuts within the recognition sequence?

  • Type IV
  • Type I
  • Type III
  • Type II (correct)

What is the purpose of agarose gel electrophoresis in molecular biology?

  • To visualize different sized DNA fragments (correct)
  • To identify restriction enzymes
  • To clone DNA fragments
  • To cut foreign DNA

What is the purpose of the multiple cloning site in an expression vector?

  • To replicate the vector in the host cell
  • To insert DNA fragments with multiple recognition sites (correct)
  • To purify the recombinant protein
  • To induce expression of the target gene

Which technique is used to amplify specific DNA sequences in the laboratory?

<p>Polymerase chain reaction (PCR) (C)</p> Signup and view all the answers

Which field of biotechnology focuses on the manipulation of microorganisms?

<p>Microbial biotechnology (A)</p> Signup and view all the answers

During which period did the manipulation of genetic material become prominent in biotechnology?

<p>Modern (1945–present) (A)</p> Signup and view all the answers

What is the main focus of agricultural biotechnology?

<p>Manipulation of plants and animals (C)</p> Signup and view all the answers

Which field of biotechnology involves the analysis of genomes using bioinformatics?

<p>Genomics (D)</p> Signup and view all the answers

What is the focus of pharmaceutical sciences in biotechnology?

<p>Development of drugs using living organisms (C)</p> Signup and view all the answers

Which approach is used to screen a greater number of strain variants in Adaptive Laboratory Evolution?

<p>Unoptimized candidate strain is passaged until better-performing “evolved” strains are obtained (D)</p> Signup and view all the answers

What is the purpose of protein engineering?

<p>All of the above (D)</p> Signup and view all the answers

Which technique allows screening of protein-protein binding interactions and enriching mutational variants?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of directed evolution in the context of peptides and proteins?

<p>To allow screening of a large mutational landscape and accumulate desired beneficial mutations (C)</p> Signup and view all the answers

What is the purpose of non-natural amino acids in peptide/protein engineering?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is a downside of tag-and-modify peptide modification?

<p>Stochastic/random modification without precision (B)</p> Signup and view all the answers

What is the primary advantage of click reactions in peptide modification?

<p>High yield and selectivity products (D)</p> Signup and view all the answers

What is the purpose of antibody-drug conjugates (ADCs)?

<p>To specifically target cancer cells (B)</p> Signup and view all the answers

What is the main difference between biochemistry and chemical biology?

<p>Biochemistry studies biomolecules in their natural biological context, while chemical biology introduces chemical alterations to create more biology (D)</p> Signup and view all the answers

What is the future direction of biochemical engineering?

<p>Engineering entire new cells (B)</p> Signup and view all the answers

Which of the following is a characteristic of primary cell culture?

<p>They have limited growth potential and eventually die (D)</p> Signup and view all the answers

Which expression system is best for producing large proteins (>100kD)?

<p>Mammalian cell line (A)</p> Signup and view all the answers

What is the main advantage of using continuous cell lines for cell culture?

<p>They have lower culture costs (C)</p> Signup and view all the answers

What is the purpose of cell culture transfection?

<p>To analyze the effect of DNA on cell function (C)</p> Signup and view all the answers

What is the main difference between traditional breeding and genetic engineering?

<p>Genetic engineering allows for controlled transfer of genes (B)</p> Signup and view all the answers

Which method of vaccine production involves making recombinant gene to produce recombinant protein as a vaccine?

<p>Traditional method (D)</p> Signup and view all the answers

Which type of vaccines allow transport through cell membranes and protect RNA from being broken down?

<p>mRNA vaccines (C)</p> Signup and view all the answers

Which organisms are commonly used as eukaryotic model organisms for genome editing?

<p>Saccharomyces cerevisiae, Drosophila melanogaster, Caenorhabditis elegans, Mus musculus (C)</p> Signup and view all the answers

What is the function of RNAi or post-translational gene silencing?

<p>Produces siRNAs that silence complementary sequence (D)</p> Signup and view all the answers

What is the main function of functional food?

<p>To offer health benefits beyond nutritional value (C)</p> Signup and view all the answers

Which field of biotechnology focuses on the manipulation of microorganisms?

<p>Microbial (C)</p> Signup and view all the answers

What is the main focus of agricultural biotechnology?

<p>Biotechnology for plants/animals (B)</p> Signup and view all the answers

What is the purpose of directed evolution in the context of peptides and proteins?

<p>To modify peptides and proteins (C)</p> Signup and view all the answers

What is the purpose of protein engineering?

<p>To modify peptides and proteins (D)</p> Signup and view all the answers

What is the focus of pharmaceutical sciences in biotechnology?

<p>Drug development (B)</p> Signup and view all the answers

Which technique is commonly used to isolate the fittest strain in Adaptive Laboratory Evolution?

<p>Genome sequencing (B)</p> Signup and view all the answers

Which field of biotechnology involves the modification of peptides and proteins for enhancement of existing or endowment of novel features?

<p>Protein engineering (A)</p> Signup and view all the answers

Which of the following is a purpose of sequence optimization in peptide engineering?

<p>All of the above (D)</p> Signup and view all the answers

Which technique allows screening of protein-protein binding interactions and enriching mutational variants?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of introducing non-natural amino acids in peptide/protein engineering?

<p>All of the above (D)</p> Signup and view all the answers

Which type of enzyme is essential in cutting foreign DNA and cuts unmethylated DNA sequences that are palindromic in character along an approximately 6 bp recognition site?

<p>Type II (A)</p> Signup and view all the answers

What is the purpose of agarose gel electrophoresis in molecular biology?

<p>To visualize differently sized DNA fragments (D)</p> Signup and view all the answers

What is the purpose of the multiple cloning site in an expression vector?

<p>To insert DNA fragments with multiple recognition sites (C)</p> Signup and view all the answers

What is the primary advantage of recombinant insulin compared to insulin derived from pancreas glands of pigs?

<p>Higher purity (B)</p> Signup and view all the answers

What is the purpose of strain optimization in metabolic engineering?

<p>To lessen the accumulation of toxic byproducts (A)</p> Signup and view all the answers

Which method of vaccine production involves making recombinant gene to produce recombinant protein as a vaccine?

<p>Traditional method (B)</p> Signup and view all the answers

Which type of vaccines allow transport through cell membranes and protect RNA from being broken down?

<p>mRNA vaccines (A)</p> Signup and view all the answers

Which organisms are commonly used as eukaryotic model organisms for genome editing?

<p>Mus musculus (C)</p> Signup and view all the answers

What is the main function of functional food?

<p>To prevent disease and promote health (C)</p> Signup and view all the answers

What is the purpose of agarose gel electrophoresis in molecular biology?

<p>To visualize DNA bands (D)</p> Signup and view all the answers

Which of the following is a disadvantage of using bacterial expression systems for producing large proteins?

<p>Bacterial expression systems have difficulty expressing large proteins (A)</p> Signup and view all the answers

What is the main advantage of using viral expression systems for protein production?

<p>Viral expression systems are optimal for bacterial cells (D)</p> Signup and view all the answers

What is the purpose of click chemistry in peptide modification?

<p>Click chemistry produces high yield and selectivity products (A)</p> Signup and view all the answers

What is the main focus of chemical biology?

<p>Chemical biology studies biomolecules by introducing chemical alterations (A)</p> Signup and view all the answers

What is the main function of antibody-drug conjugates (ADCs)?

<p>ADCs link cytotoxic drugs to antibodies for efficient killing of cancer cells (D)</p> Signup and view all the answers

Which type of cell culture has a finite lifespan and closely represents tissue characteristics?

<p>Primary cells (C)</p> Signup and view all the answers

What is the main advantage of using continuous cell lines for cell culture?

<p>Higher growth potential (B)</p> Signup and view all the answers

Which method is commonly used for transfection in cell culture?

<p>All of the above (D)</p> Signup and view all the answers

What is the main focus of genetically modified organisms (GMOs)?

<p>Enhancing crop yield (C)</p> Signup and view all the answers

What is the main difference between traditional breeding and genetic engineering?

<p>Traditional breeding involves hybrid crosses, while genetic engineering involves inserting specific genes. (C)</p> Signup and view all the answers

Which of the following is a characteristic of primary cell culture?

<p>Primary cells have consistent characteristics with subsequent passage (A)</p> Signup and view all the answers

What is the purpose of cell culture transfection?

<p>To introduce foreign DNA into eukaryotic cells (D)</p> Signup and view all the answers

What is the main advantage of using continuous cell lines for cell culture?

<p>Continuous cell lines have lower culture costs (B)</p> Signup and view all the answers

What is the main difference between traditional breeding and genetic engineering?

<p>Traditional breeding allows for uncontrolled transfer of genes (B)</p> Signup and view all the answers

Which organisms are commonly used as eukaryotic model organisms for genome editing?

<p>Animals (B)</p> Signup and view all the answers

More Like This

Amino Acid Metabolism Quiz
5 questions
Peptide and peptidomimetic
34 questions

Peptide and peptidomimetic

ToughestAntagonist avatar
ToughestAntagonist
Use Quizgecko on...
Browser
Browser