What is the primary use of directed evolution in chemical biotechnology.
a. To engineer new biocatalysts
b. To study protein structure
c. To develop new drugs
d. To modify the expression of genes
Answer: a. To engineer new biocatalysts
Which of the following is a commonly used method for DNA sequencing.
a. Sanger sequencing
b. Next-generation sequencing
c. Both A and B
d. None of the above
Answer: c. Both A and B
What is the primary use of CRISPR interference (CRISPRi) in chemical biotechnology.
a. To edit genes in living organisms
b. To study gene function
c. To reprogram cells
d. To silence genes in living organisms
Answer: d. To silence genes in living organisms
Which of the following is a commonly used technique for gene delivery into cells.
a. Electroporation
b. Microinjection
c. Lipofection
d. All of the above
Answer: d. All of the above
What is the primary use of glycoengineering in chemical biotechnology.
a. To modify the structure of proteins for therapeutic purposes
b. To study the interactions between proteins and carbohydrates
c. To develop new biocatalysts
d. To engineer new crops
Answer: a. To modify the structure of proteins for therapeutic purposes
Which of the following is a commonly used method for cell culture in chemical biotechnology.
a. Suspension culture
b. Adherent culture
c. 3D culture
d. All of the above
Answer: d. All of the above
Which of the following is a commonly used method for protein folding studies.
a. Circular dichroism
b. Surface plasmon resonance
c. Fluorescence spectroscopy
d. Mass spectrometry
Answer: a. Circular dichroism
What is the primary use of microfluidics in chemical biotechnology.
a. To study gene expression
b. To develop new drugs
c. To analyze single cells
d. To study protein interactions
Answer: c. To analyze single cells
What is the primary use of CRISPR/Cas9 in chemical biotechnology.
a. To study gene function
b. To develop new biocatalysts
c. To engineer new crops
d. To edit genes in living organisms
Answer: d. To edit genes in living organisms
Which of the following is a commonly used method for gene expression analysis.
a. Western blotting
b. Northern blotting
c. Southern blotting
d. ELISA
Answer: b. Northern blotting
