Biology Answers

- Briefly explain why we incubate the purified plasmid with the restriction enzymes, BamHI and XhoI, at exactly 37oC. 

Assume the linear fit of the standard curve using DNSA absorbance at 540nm versus glucose concentration in M is y=0.002x + 0.003. Calculate the concentration of an unknown solution of glucose with DNSA absorbance at 540nm of 0.17.

What is the importance of nucleic acid studies in elucidation and treatment of diseases

State three errors of nucleic acid metabolism, note in each case the defective enzyme

In the histological specimen of connective tissue stained with hematoxylin-eosin one can see ramified cell that are in contact with one another. In general the cell form a network structure the spaces of which contain cord of lymphocytes. Which tissue is it

A lawyer sets out to prove that a child with type A blood is the son of a man with type B blood and a mother with type AB blood. Determine if it is possible for the man to be the father. Is he definitely the father?

a. Test cross method

b. Genotypic Ratio

c. Phenotypic ratio

What is the circulatory system of a cattle and how its circulatory features help it for adaptations? (5)

What is the digestive system of a cattle and how it digestive features help it for adaptations? (5)

What is the skeletal system of a cattle and how its skeletal features contribute to its adaptations? (5)

Explain in NOT MORE than 350 words how giving an alcoholic patient who has hypoglycaemia an IV infusion of glucose ALONE can be fatal.