1) You begin your expedition at the mouth of the Brisbane River at sea level (barometric pressure = 760 mmHg). The temperature is 20oC and the relative humidity is 78%. What is the partial pressure of nitrogen in the air? 2) You then travel upstream, following the path of the […]

In the Pacific Northwest the origin of some aquatic plant species remains a mystery (e.g., Nymphaea ordorata, Pontederia cordata, etc.) because they represent disjunct distributions – they are widely distributed on the east coast of North America but have much more restricted distributions here. Design a research program (one or […]

Pattern baldness in humans is controlled by a single autosomal locus with two alleles(B and B’), but pattern baldness is a sex influenced phenotype:baldness is dominant in males (BB and BB’ males become bald), butrecessive in females (only BB females become bald). If a populationis in Hardy Weinberg equilibrium for […]

Assume you have been examining a new drug that binds to PPAR? and produces its beneficial effect (increased insulin sensitivity). When you give this chemical to mice, you see kidney damage. Other PPAR? drugs did not lead to the same toxic effect and in a PPAR? knockout mouse you still […]