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TLS Online TPP Program

#Question id: 1392

In the nematode C. elegans, ced-9 prevents apoptosis in a normal cell in which of the following ways?

#SCPH28 | Zoology

  1. It prevents the caspase activity of ced-3 and ced-4.

  2. Ced-9 remains inactive until it is signaled by ced-3 and other caspases.

  3. Ced-9 cleaves to produce ced-3 and ced-4.

  4. Ced-9 prevents blebbing by its action on the cell membrane.

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TLS Online TPP Program

#Question id: 17279

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

Which of the following is relatively more stable to heat
TLS Online TPP Program

#Question id: 14828

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

Pili are usually longer than fimbriae and number only one or two per cell. Pili are involved in motility and DNA transfer. The type of motility, called 
1. Extrusion
2. Somersaulting
3. Twitching motility 
4. Gliding motility
Which combination from the following is correct?
TLS Online TPP Program

#Question id: 15666

#SCPH12 I Genetics

Which of the following could NOT be used to describe a sex limited trait:
TLS Online TPP Program

#Question id: 13048

#SCPH01 Biochemistry

In HAT selection surviving cells synthesise nucleotides by means of:
TLS Online TPP Program

#Question id: 2997

#SCPH05 I Biotechnology

Composed of population of cell that at the same stage of their cell cycle