Under anaerobic conditions and in the presence of what microbial electron transfer and respiration can proceed if suitable exogenous electron acceptors are available

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#Question id: 823

#1. Molecules and their Interaction Relevant to Biology

chaotropic agents such as guanidinium ion and urea, the efficiency of the chaotropic agent is measured in terms of-

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#Question id: 12755

#10. Ecological Principles

Which of the following statements best describes why biologists are currently concerned with global warming and the thawing of permafrost in many areas of the tundra biome?

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#Question id: 10719

#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.

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#Question id: 15009

#8. Inheritance Biology

A mutation in which most of the protein coding sequence of the gene is removed is most likely to be which type of allele?

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#Question id: 10556

#6. System Physiology – Plant

The energy needed to separate molecules from the liquid phase and move them into the gas phase at constant temperature called