The respiratory conducting passageways perform all of the following functions EXCEPT:

TLS Online TPP Program

#Question id: 13177

#Unit 10. Ecological Principles

Deserts typically occur in a band at 30 degrees north and south latitude because

TLS Online TPP Program

#Question id: 19791

#Unit 13. Methods in Biology

Which of the following statements about polymerase chain reaction is correct?

a) PCR denaturation temperature calculated by using Y = X (1+E)n

b) Size of the primer negatively affects the efficiency of PCR

c) Standard PCR doesn’t efficiently amplify sequence much longer than about 5kb.

d) Primer annealing of PCR at 550C for 1.5 min.

e) Time taken for each cycle of PCR considerably longer than 3 min.

TLS Online TPP Program

#Question id: 13013

#Unit 10. Ecological Principles

Suppose the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species? 

TLS Online TPP Program

#Question id: 27414

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correctly describing the common structure of any sterol

TLS Online TPP Program

#Question id: 10344

#Unit 6. System Physiology – Plant

Some of the following caracteristics of Nitrite reductase, which one of the is incorrect?