Practice Questions

TLS Online TPP Program

#Question id: 588

The initial velocity of an enzyme reaction (v0) describes

#Unit 1. Molecules and their Interaction Relevant to Biology

the concentration of the enzyme at maximal velocity.
the concentration of substrate at maximal velocity.
the concentration of both at the start of the reaction.
the rate of the reaction at when the substrate and enzyme are first mixed.

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TLS Online TPP Program

#Question id: 12587

#Unit 10. Ecological Principles

The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

TLS Online TPP Program

#Question id: 12588

#Unit 10. Ecological Principles

According to the equilibrium model of island biogeography, species richness would be greatest on an island that is

TLS Online TPP Program

#Question id: 12589

#Unit 10. Ecological Principles

Which of these ecosystems has the highest net primary productivity per square meter?

TLS Online TPP Program

#Question id: 12590

#Unit 10. Ecological Principles

Species introduced to new geographic locations

TLS Online TPP Program

#Question id: 12591

#Unit 10. Ecological Principles

A community's actual evapotranspiration is a reflection of

TLS Online TPP Program

#Question id: 12624

#Unit 6. System Physiology – Plant

The immediate precursor of brassinolide is____