The activin family, the bone morphogenetic proteins (BMPs), the Nodal proteins, the Vg1 family included in-

#Question id: 4990

#Unit 11. Evolution and Behavior

Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then species W and Y

#Question id: 10653

#Unit 10. Ecological Principles

All offspring are produced in a single reproductive event, we term this pattern semelparity. Which of the following is characteristics feature for semelparity individuals?

a) Semelparity is common in insects and other invertebrates

b) Semelparous organisms may live for many years before reproducing

c) semelparity occur only in plant

d) In semelparity, exploitation competition is more common than interference competition

#Question id: 2768

#Unit 2. Cellular Organization

All the following steps are performed by the enzyme transposase during transposition of bacterial insertion sequences except

#Question id: 10613

#Unit 10. Ecological Principles

Life-history characteristics associated with K-selected organisms include

#Question id: 28701

#Unit 2. Cellular Organization

Which of the following inhibitors inhibits the synthesis of all N-linked oligosaccharides in cells?