Positive selection such as Mutations conferring antibiotic resistance in bacteria or venom-resistance of pray is example of 

#Question id: 11392

#Unit 9. Diversity of Life Forms

Modes of obtaining nutrients, used by at least some bacteria, include all of the following except

#Question id: 27947

#Unit 1. Molecules and their Interaction Relevant to Biology

For each molecule of glucose degraded to pyruvate, two molecules of ATP are generated from ADP and Pi, and two molecules of NADH are produced by the reduction of NAD+. The hydrogen acceptor in this reaction is NAD+  this NAD+ bound to a

#Question id: 2424

#Unit 2. Cellular Organization

Which of the following statements correctly describe(s) actin?

a. Actin is a highly conserved protein.

b. Multiple actin genes may be found in higher eukaryotes.

c. Actin is the most abundant protein in a eukaryotic cell.

d. Individual actin filaments can be observed by electron microscopy.

e. One end of an actin filament is different from the other. 

#Question id: 12569

#Unit 10. Ecological Principles

Use the information below about quail habitats to answer the following questions. Which of these represents the best quail habitat in terms of fragmentation and edge

#Question id: 7542

#General Aptitude