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TLS Online TPP Program

#Question id: 124

What is the role of cholesterol in animal cell membranes?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Blocks the association of the fatty acyl chains of phospholipids at high temperature.

  2. Aids in the transport of small hydrophobic molecules across the membrane.

  3. Is a receptor site for hormones on the surface of membranes.

  4. Broadens the temperature range of optimum membrane fluidity.

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TLS Online TPP Program

#Question id: 15772

#Unit 5. Developmental Biology

A stem cell capable of producing all the cell types of a lineage is said to be
TLS Online TPP Program

#Question id: 15773

#Unit 5. Developmental Biology

A series of symmetric and asymmetric cell divisions, called as
TLS Online TPP Program

#Question id: 15774

#Unit 5. Developmental Biology

When the inner cells are removed from the mammalian embryo and cultured in vitro, they establish a population of pluripotent cells, which is
TLS Online TPP Program

#Question id: 15775

#Unit 5. Developmental Biology

When a multipotent stem cell divides asymmetrically, its maturing daughter cell often goes through a transition stage, called as
A. Progenitor cell .
B. Transit-amplifying cell.
C. Adult stem cell
D. Totipotent precursor cell
TLS Online TPP Program

#Question id: 15776

#Unit 5. Developmental Biology

Which stem cells play critical roles in fueling organogenesis in the embryo and regeneration in adult tissues?
A. Adult stem cells.
B. Embryonic stem cells
C. True stem cells
D. Tissue specific stem cells
TLS Online TPP Program

#Question id: 15777

#Unit 5. Developmental Biology

Which of the following is not a property of the progenitor cell?