Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 12717
TLS Online TPP Program

#Question id: 3003

Which statement best characterizes the behavior of a bacterial culture during EXPONENTIAL GROWTH?

#Section 2: General Biology

  1. Have reached maximum concentration.

  2. A maximum generation time.

  3. Minimum growth rate.

  4. Cell numbers are increasing at a constant arithmetic rate.

More Questions
TLS Online TPP Program

#Question id: 347

#Section 4: Fundamentals of Biological Engineering

A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?
TLS Online TPP Program

#Question id: 18941

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

With the construction of cDNA libraries in which each gene is fused to an epitope tag, investigators can precipitate the protein product of a gene by complexing it with the antibody that binds the epitope, a process called 
TLS Online TPP Program

#Question id: 20850

#Section 4: Fundamentals of Biological Engineering

Match the group 1 with appropriate description of group 2.
Group 1                                                  group 2
(P) Copper                                        (1) cell wall of plant cells
(Q) Cobalt                                         (2) nitrate reductase
(R) Molybdenum                              (3) respiratory-chain components
(S) Calcium                                        (4) vitamin B12
TLS Online TPP Program

#Question id: 413

#Section 2: General Biology

The hydrolysis of ATP has a large negative DG'°; nevertheless it is stable in solution due to:
TLS Online TPP Program

#Question id: 14298

#Section 5: Bioprocess Engineering and Process Biotechnology

A two-stage chemostat system is used for production of secondary metabolite. The volume of each reactor is 0.5 m3; the flow rate of feed is 50 l h- 1. Mycelial growth occurs in the first reactor; the second reactor is used for product synthesis. The concentration of substrate in the feed is 10 gl-1. Kinetic and yield parameters for the organism are:

                                                            

Assume that product synthesis is negligible in the first reactor and growth is negligible in the second reactor. What is the overall substrate conversion?

_______________