There are two different types of microtubule structures can exist____

a) the T form bound to GDP 

b) the T form bound to GTP 

c) the D form bound to GTP 

d) the D form bound to GDP

#Question id: 519

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not a metabolically irreversible enzymatic reaction of glycolysis?

#Question id: 11033

#Unit 7. System Physiology – Animal

The velocity of blood flow is the lowest in capillaries because ________.

#Question id: 428

#Unit 1. Molecules and their Interaction Relevant to Biology

The most biochemically complex organisms are ________.

#Question id: 11838

#Unit 6. System Physiology – Plant

Which of the following ethylene receptors in Arabidopsis) have intrinsic histidine kinase activity, and this activity does not appear to play an essential role in signalling?

#Question id: 9200

#Unit 9. Diversity of Life Forms

During the inventory of bacterial genes present in the Sargasso Sea, a deep isolated area in the middle of the Atlantic Ocean, a research team concluded that at least 1,800 bacterial species were present. Based on what you might predict about the habitat structure of such an area, what kind of bacterial diversity would you expect to see in tropical coral reef waters?