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TLS Online TPP Program

#Question id: 581

The main difference between chemical and enzyme kinetics is that

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. enzyme reactions are altered by pH.

  2. enzyme reactions depend on the concentration of the substrate.

  3. enzyme reactions depend on the concentration of the enzyme and its recycling.

  4. the rate constant for the formation of products is k2.

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TLS Online TPP Program

#Question id: 1196

#Unit 4. Cell Communication and Cell Signaling

Cell signaling means all of the following except:
TLS Online TPP Program

#Question id: 15393

#Unit 5. Developmental Biology

First inducers (in early gastrula stages) of the lens may be:
TLS Online TPP Program

#Question id: 56

#Unit 1. Molecules and their Interaction Relevant to Biology

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
TLS Online TPP Program

#Question id: 20294

#Unit 7. System Physiology – Animal

The rate-limiting step during the synthesis of all steroid hormones is done by which enzyme? 
TLS Online TPP Program

#Question id: 10835

#Unit 10. Ecological Principles

Which of the following is not an example of coevolution?