#Question id: 4153
#Section 3: Genetics, Cellular and Molecular Biology
Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown. One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:
#Question id: 13065
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 14552
#Section 1: Engineering Mathematics
#Question id: 3287
#Section 3: Genetics, Cellular and Molecular Biology
Which statement is not an assumption of the Hardy–Weinberg law?
a. The allelic frequencies (p and q) are equal.
b. The population is randomly mating.
c. The population is large.
d. Locus is di-allelic
#Question id: 14276
#Section 5: Bioprocess Engineering and Process Biotechnology
Nicotiana tabacum cells are cultured to high density for production of polysaccharide gum. The reactor used is a stirred tank, containing initially 100 litres medium. The maximum specific growth rate of the culture is 0.18 d-1 and the yield of biomass from substrate is 0.5 g g-l. The concentration of growth-limiting substrate in the medium is 3% (w/v). The reactor is inoculated with 1.5 g l- 1 cells and operated in batch until the substrate is virtually exhausted; medium flow is then started at a rate of 4 l d-1. Fed-batch operation occurs under quasi-steady-state condition. The fermenter is available 275 d per year with a downtime between runs of 24 h. How much plant cell biomass is produced annually? ___________________