A strain of Azotobacter vinelandii is cultured in a 15-m³ stirred fermenter for alginate production. Under current operating conditions, ka is 0.17 s¹. The solubility of oxygen in the broth is approximately 8 × 10^-3 kg m ^-3.

(a) The specific rate of oxygen uptake is 12.5 mmol g^-1h^-1. What is the maximum cell concentration supported by oxygen transfer in the fermenter.............in g/l

#Question id: 3808

#Section 3: Genetics, Cellular and Molecular Biology

Fibroblast cells from several different xeroderma pigmentosa patients were cultured, then fused in intergenic complementation studies. Which cell fusions would not result in a hybrid capable of repairing damaged DNA?

#Question id: 3809

#Section 3: Genetics, Cellular and Molecular Biology

MMR is a highly conserved biological pathway. Several human MMR proteins have been identified based on their homology to E. coli MMR proteins. Match the following

#Question id: 3811

#Section 3: Genetics, Cellular and Molecular Biology

The mechanism of DNA replication is studied in an E. coli replication fork. Which is a characteristic of this replication fork?

#Question id: 3848

#Section 3: Genetics, Cellular and Molecular Biology

are small molecules that function as adapters between amino acids and codons.

#Question id: 3849

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is short 20 to 22-nucleotide single-stranded RNAs that block the expression of complementary or partially complementary mRNAs.

#Question id: 3850

#Section 3: Genetics, Cellular and Molecular Biology

The RNA molecule produced in RNA synthesis is: