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TLS Online TPP Program

#Question id: 2029

B-cell receptor consist of membrane-bound immunoglobulin and a small heterodimer protein required for signaling. Which of the following is the heterodimer protein?

#Unit 4. Cell Communication and Cell Signaling

  1. Igα & Igβ

  2. Igµ & Igγ

  3. Igα & Igγ

  4. None of Above

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TLS Online TPP Program

#Question id: 18884

#Unit 13. Methods in Biology

The presence of a capsule around bacterial cells usually indicates their increased disease-causing potential and resistance to disinfection. Capsules are generally viewed by:
TLS Online TPP Program

#Question id: 12704

#Unit 8. Inheritance Biology

Cytoplasmic male sterility (CMS) in plants is caused by mutation in the mitochondrial genome. CMS can be restored by a nuclear gene, restorer of fertility (Rf), which is a dominant character. 
TLS Online TPP Program

#Question id: 542

#Unit 1. Molecules and their Interaction Relevant to Biology

Hamsters love to run on exercise wheels. Prolonged running at a high rate of speed requires ATP. Could a hamster with a defective gene for the enzyme lactate dehydrogenase meet the extra ATP demand for prolonged, fast wheel-running by maintaining a high rate of glycolysis? Why or why not?
TLS Online TPP Program

#Question id: 28578

#Unit 5. Developmental Biology

Sox9 and Sry also act to block the ovary-forming pathway, by  blocking__
TLS Online TPP Program

#Question id: 10756

#Unit 10. Ecological Principles

Which of following is correct about interaction?

A) Population growth of each species is limited more by intraspecific competition than by interspecific competition.

B) The species with the greater initial abundance wins out.

C) Population of each species coexist and reach at stable equilibrium point

D) Population growth of each species is limited by only intraspecific competition