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TLS Online TPP Program

#Question id: 2962

Which of the following experimental observations (some real, some contrived) would not be consistent with our current understanding of cytokinesis?

#SCPH01 Biochemistry

  1. Anti-myosin antibodies injected in a dividing cell cause cytokinesis to stop.

  2. When the myosin II gene is mutated, cells undergo nuclear division, but not cytokinesis.

  3. Anti-actin antibodies injected into dividing cells have no effect on cytokinesis.

  4. Actin filaments seen in micrographs are aligned parallel to the cleavage furrow.

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TLS Online TPP Program

#Question id: 1102

#SCPH06 I Botany

Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have increased levels of which of the following molecules?
TLS Online TPP Program

#Question id: 2079

#SCPH01 Biochemistry

According to the fluid mosaic model of membrane structure, proteins of the membrane are mostly
TLS Online TPP Program

#Question id: 14292

#SCPH05 I Biotechnology

Consider the scale up of a fermentation from a 10L to 10000L while maintaining geometric similarity. Agitation speed was maintained at 500 rpm in the 10L fermenter. If scale up is done based on constant tip speed, then the agitation speed in the larger reactor should be 
rpm. 
TLS Online TPP Program

#Question id: 1758

#SCPH01 Biochemistry

The specificity of antibody secreted by a B-cell may not be the same as that of the surface Ig of the clonal parent because of:
TLS Online TPP Program

#Question id: 2356

#SCPH28 | Zoology

A protein carrier and the use of cellular energy are required in ____