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TLS Online TPP Program

#Question id: 1088

One of the major categories of receptors in the plasma membrane functions by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?

#Unit 4. Cell Communication and Cell Signaling

  1. G protein-coupled receptors

  2. ligand-gated ion channels

  3. steroid receptors

  4. receptor tyrosine kinases

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TLS Online TPP Program

#Question id: 10719

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given
A) Community services decline with decreased species richness in a stepwise fashion.
B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions
C) Species richness declines even slightly from its natural levels, community services are reduced immediately
D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.
TLS Online TPP Program

#Question id: 10720

#Unit 10. Ecological Principles

What is the Jaccard index between the two communities?
TLS Online TPP Program

#Question id: 10721

#Unit 10. Ecological Principles

Which above spp having decrease order of abundance?
TLS Online TPP Program

#Question id: 10722

#Unit 10. Ecological Principles

Community 1 contains 100 individuals distributed among four species (A, B, C, and D). Community 2 contains 100 individuals distributed among three species (A, B, and C). Community 1: 5A, 5B, 85C, 5D Community 2: 30A, 40B, 30C Calculate the Shannon diversity (H) for each community.
TLS Online TPP Program

#Question id: 10723

#Unit 10. Ecological Principles

What does the graph tell you about the effect of a keystone species?
TLS Online TPP Program

#Question id: 10724

#Unit 10. Ecological Principles

This example is based on the hypothetical ( x means Present), compare species diversity within different community Which one of the


following conclusions is most appropriate based on the above observations?

A) The beta diversity between the community X and Y is 5

B) The gamma diversity for the these communities are 14

C) The beta diversity between the community X and Z is greater than Y and Z

D) Community Y has minimum Alpha diversity among community