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 […]

Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. A small coil is placed on the scalp, and a brief burst of current in the coil produces a rapidly changing magnetic field inside the brain. The induced emf can be sufficient to stimulate […]

A friend of yours is complaining that every time he eats ice cream, a good cheesey pizza, or really, any dairy products, he experiences very painful abdominal cramping, gas, and diarrhea. (a) What is the likely cause of your friend’s problem (name the condition and explain it physiologically), and how […]