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TLS Online TPP Program

#Question id: 5230

Homeotic genes

#Unit 11. Evolution and Behavior

  1. encode transcription factors that control the expression of genes responsible for specific anatomical structures.

  2. are found only in Drosophila and other arthropods.

  3. are the only genes that contain the homeobox domain.

  4. encode proteins that form anatomical structures in the fly.

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TLS Online TPP Program

#Question id: 12381

#Unit 7. System Physiology – Animal

 A person with normal body fluid volumes weighs 60 kg and has an extracellular fluid volume of approximately 12.8 L, a blood volume of 4.3 L, and a hematocrit of 0.4; 57% of his body weight is water.
What is the approximate plasma volume?
TLS Online TPP Program

#Question id: 11144

#Unit 7. System Physiology – Animal

The membrane potential in which there is no net movement of the ion across the membrane is called the ________.
TLS Online TPP Program

#Question id: 11652

#Unit 10. Ecological Principles

The sequence of changes initiated by disturbance is called succession, and the ultimate association of species achieved is called
TLS Online TPP Program

#Question id: 11278

#Unit 10. Ecological Principles

Which of the following is true with respect to oligotrophic lakes and eutrophic lakes?

A) Oligotrophic lakes are less subject to oxygen depletion.

B) Rates of photosynthesis are lower in eutrophic lakes.

C) Eutrophic lake water contains higher concentrations of nutrients.

D)Sediments in oligotrophic lakes contain larger amounts of decomposable organic matter.
TLS Online TPP Program

#Question id: 19344

#Unit 12. Applied Biology

What is the full form of PSA as a type of cancer bioelements ?