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TLS Online TPP Program

#Question id: 12427

Trophic efficiency is

#Unit 10. Ecological Principles
  1. The ratio of net secondary production to assimilation of primary production. 
  2.  The percentage of production transferred from one trophic level to the next. 
  3. A measure of how nutrients are cycled from one trophic level to the next. 
  4. Usually greater than production efficiencies
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TLS Online TPP Program

#Question id: 15253

#Unit 2. Cellular Organization

The water activity in foods that have high levels of salt or sugar is
TLS Online TPP Program

#Question id: 3926

#Unit 3. Fundamental Processes

Positive regulation of a gene requires __.
TLS Online TPP Program

#Question id: 12135

#Unit 10. Ecological Principles

Which of the following is an example of Batesian mimicry?
TLS Online TPP Program

#Question id: 18707

#Unit 13. Methods in Biology

primer dimers are formed when 
TLS Online TPP Program

#Question id: 1527

#Unit 4. Cell Communication and Cell Signaling

Following are the six fundamental properties of malignant tumors. Which of these properties are amenable to study in a cell culture model of cancer?

(I) self-sufficiency in growth signals

(II) insensitivity to antigrowth signals

(III) evasion of apoptosis

(IV) limitless replicative potential

(V) sustained angiogenesis

(VI) tissue invasion and metastasis