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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: 93

#SCPH28 | Zoology

What type of bond links the monomers of a polysaccharide?
TLS Online TPP Program

#Question id: 11084

#SCPH28 | Zoology

The next diagram shows two lung units (S and T) with their blood supplies. Lung unit S has an ideal relationship between blood flow and ventilation. Lung unit T has a comprised blood flow. What is the relationship between alveolar dead space (DALV), physiologic dead space (DPHY) and anatomic dead space (DANAT) for these lung units?
TLS Online TPP Program

#Question id: 18231

#SCPH05 I Biotechnology

A DNA sample having mass 1 picogram undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required
TLS Online TPP Program

#Question id: 12750

#SCPH28 | Zoology

Bacterial culture was treated with SDS and NAOH then centrifuged, supernatant was decanted and treated with potassium acetate and centrifuged to get a pellet. What is the composition of the pellet?
TLS Online TPP Program

#Question id: 3642

#SCPH05 I Biotechnology

Any piece of DNA which replicates as a single unit is called