Neurofibromatosis is a condition in humans which is generally inherited in a dominant fashion. Assuming this disorder is 90% penetrant, what is the chance that a single child born to a father with neurofibromatosis and a mother known not to carry the mutation will have the disorder?

#Question id: 19365

#Unit 13. Methods in Biology

#Question id: 3920

#Unit 3. Fundamental Processes

The genes that encode proteins are transcribed by RNA polymerase __.

#Question id: 11735

#Unit 6. System Physiology – Plant

In cytokinin biosynthesis is the addition of the isopentenyl side chain from DMAPP to an adenosine moiety. The plant and bacterial IPT enzymes differ substrate used;

a) the bacterial enzyme utilizes AMP

b) the plant enzyme appears to utilize AMP

c) the bacterial enzyme utilizes both ADP and ATP

d) the plant enzyme appears to utilize both ADP and ATP

#Question id: 5604

#Unit 5. Developmental Biology

Upon secretion of wnt, When Wnt attaches to the Frizzled receptor on a responding cell, the cell secretes Notum, cleaves off Wnt’s attached lipids. This process is called as:

#Question id: 11288

#Unit 10. Ecological Principles

Below is a table showing the number of species and actual food web links observed in three different ecosystems. By calculating connectance as a measure of relative complexity of food webs, which of the following ecosystem are more complex?