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TLS Online TPP Program

#Question id: 11471

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.

#I Life Science/ Life Sciences Group – I-V

  1. a chemical ligand binds to the ion channel

  2. light is absorbed by a molecule in the membrane

  3. the cell membrane reaches a threshold voltage

  4. the membrane is distorted mechanically
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TLS Online TPP Program

#Question id: 14963

#SCPH05 I Biotechnology

Which antibiotics may be completely ineffective in treating a mycoplasmal infection?
TLS Online TPP Program

#Question id: 19213

#SCPH01 Biochemistry

In Agrobacterium tumefaciens Crown gall formation is the consequence of
TLS Online TPP Program

#Question id: 8844

#SCPH06 I Botany

Organic chemistry is a science based on the study of
TLS Online TPP Program

#Question id: 2665

#SCPH06 I Botany

A transposon ____________.
TLS Online TPP Program

#Question id: 3259

#SCPH06 I Botany

Different type of evolution leads to group of taxon in following three manners

A- group of taxon whose member have descended from common ancestor

B- when two lineages convergently  evolve similar character states form  groups that are recognized by pheneticists

c. taxon that include most recent ancestor but not all of its descendent