The BBC carried the following posting on its web site of 13th October 2011. “Alongside the obesity strategy, ministers also announced new recommended levels of energy intake following a review by advisers. It is the first time for 20 years that they have been changed. For a man of average […]

1. Explain the sort of knowledge that can be learnt by a biologist from the study of DNA mutations or using DNA mutations. 2. Is oxygen present in high or low quantities in medium with a lowO-R potential? 3. A mule is produced by mating a male donkey with a […]

Question: A somatic cell of a given plant species contains 3 billion base pairs of nuclear DNA and 12 functional centromeres when observed at the conclusion of stage G2 of the cell cycle. What is the number of base pairs of the C-value? What is the number of nuclear chromosomes per […]

A 31 year old man became feverish 4 days after arriving at a vacation resort in Idaho. During his stay he ate at two restaurants that were not associated with the resort. AT the resort he drank soft drinks with ice, used the hot tub and went fishing. The resort […]