Molecular Biology Homework Help and Solution

Please see the attached file for full problem description. --- 1. Researchers have identified an E.coli strain having constitutive expression of camp. What would be the effect on lac operon expression in the following media? What if this mutant also contained an O^- mutation? a. Glucose b. Lactose c. Glucose + Lactose ...continues

The importance of synthetic and semesynthetic antibiotics in comparison to natural antibiotics.

Why might synthetic and semesynthetic antibiotics be more useful than natural antibiotics? Knowing the prevalence rate and incidence rate of a disease, what other important information could you calculate about the disease? The BCG vaccine against tuberculosis is not very effective, and great efforts are being made to pros ...continues

The association constant of GABA for the GABA receptor.

What is the association constant of GABA for the GABA receptor?

Tetrazolium test for determining viability of seeds

The performance of a seed can be determined by studying its germination and viability potential. One of the most significant advances in seed testing technology in recent years is the topographical tetrazolium method.

Understanding insulin and digestion.

Why is insulin typically taken as an injection?

Understanding protein synthesis and the effects of treating a cell with RNAase.

You start with a normal functioning cell where all parts of protein production are working properly. You treat a cell with RNAase that prevents production of mRNA. For each of the following molecules, describe if their concentrations will increase above 100 molecules, decrease below 100 or remain the same and why. molecule - ...continues

Cyanide's effects on the electron transport system.

What will happen to Glucose, Pyruvate and CO2 if cyanide stops the electron transport system?

Determining the relative values binding constants have in enzyme kinetics.

If the hemoglobin tetramer had four identical non-interacting binding sites, what relative values would the intrinsic binding constants have?

Working with conversions of a steroid.

To convert androsten-16-en-3-ol into androsterone in vitro, what specific series of changes in functional groups would have to be carried out?

Biochemistry questions

1. Calculate the pH of a solution which is 0.428 M in oxalic acid and 1.44 M in oxalate. 2. What is the pH of a solution that is 45.5 mM in acetic acid and 1.11 M in acetate? 3.A solution which is 3.19X10 to the -3 M in an acid (HA) and 6.78x10 to the -3 M in its conjugate base (A-) is found to have a pH of 8.65. What is ...continues