#Question id: 383
#Section 4: Fundamentals of Biological Engineering
Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below
|
1 M acetic acid |
1 M sodium acetate |
|
Buffer 1: 10 mL |
90 mL |
|
Buffer 2: 50 mL |
50 mL |
|
Buffer 3: 90 mL |
10 mL |
Which of these statements is true of the resulting buffers?
#Question id: 4152
#Section 3: Genetics, Cellular and Molecular Biology
The pathway for polypeptides exported from E. coli includes the following steps, which occur in what order for correct export?
1. A chaperone, SecA, binds to the polypeptide.
2. A chaperone, SecB, binds to the polypeptide.
3. ATP is hydrolyzed by Sec A.
4. SecA pushes 20 amino acids of the polypeptide into the translocation complex.
#Question id: 5201
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
How is a physical map of the genome of an organism achieved?
#Question id: 14317
#Section 5: Bioprocess Engineering and Process Biotechnology
system for manufacture of single-cell protein is Methylophilus methylotrophus. This organism is produced aerobically from methanol with ammonia as nitrogen source. The molecular formula for the biomass is CH 1.6800.36N0.22; these cells contain 6% ash. What is the maximum possible biomass yield from methanol?
#Question id: 3731
#Section 3: Genetics, Cellular and Molecular Biology
RNA primers are synthesized about once every ________.