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TLS Online TPP Program

#Question id: 8696

There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.

#Unit 9. Diversity of Life Forms
  1. derived character of mammals, even if cynodonts continue to be classified as reptiles
  2. derived character of all vertebrates and not of the mammal clade
  3. ancestral character of the all vertebrates, but only if cynodonts are reclassified as mammals
  4. derived character of mammals, but only if cynodonts are reclassified as mammals
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TLS Online TPP Program

#Question id: 1265

#Unit 4. Cell Communication and Cell Signaling

An example of an integrin containing cell junction is
TLS Online TPP Program

#Question id: 28582

#Unit 2. Cellular Organization

Cells commit to a new cell division at a specific point in___
TLS Online TPP Program

#Question id: 7076

#Unit 5. Developmental Biology

In case of sea urchin, the skeletogenic mesenchyme cells are:
TLS Online TPP Program

#Question id: 2002

#Unit 4. Cell Communication and Cell Signaling

What accounts for antibody switching (i.e., the switch of one B cell from producing one class of antibody to another antibody class that is responsive to the same antigen)?
TLS Online TPP Program

#Question id: 5699

#Unit 8. Inheritance Biology

A chromosome aberration leads to no change in amount of gene in a genetic map however, appearance of loop in heterozygous condition. This is due to