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
