Imagine a plant of extremely variable height that is pollinated by three different pollinators, one that was attracted to short plants, another that preferred plants of medium height and a third that visited only the tallest plants. If the pollinator that preferred plants of medium height disappeared from an area. What is concluding of this condition?

#Question id: 11036

#Unit 7. System Physiology – Animal

Under control conditions, flow through a blood vessel is 100 ml/min under a pressure gradient of 50 mm Hg. What would be the approximate flow through the vessel after increasing the vessel diameter to four times normal, assuming that the pressure gradient was maintained at 50 mm Hg?

#Question id: 11458

#Unit 7. System Physiology – Animal

A person able to hear only low-frequency sounds would probably have which of the following structural problems in the ear?

#Question id: 10290

#Unit 6. System Physiology – Plant

In glycolysis, perform succesfully ten step reaction, the conversion of 1 molecules of glucose 6-phosphate to 2 molecules of Pyruvate. What is the net gain of overall reaction?

#Question id: 3545

#Unit 8. Inheritance Biology

Consider the accompanying pedigree of a rare autosomal recessive disease, PKU. Male with PKU marry with normal female whose father is PKU. What is probability of child affected with PKU?

#Question id: 2963

#Unit 2. Cellular Organization

Eukaryotic chromosomes are composed of which of the following macromolecules?