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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?

#SCPH05 I Biotechnology

  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: 3527

#SCPH06 I Botany

Which of the following genetic cross would produce 1/4 yellow round, 1/4 yellow wrinkle, 1/4 Green round and ΒΌ Green Wrinkle seeded plant?
TLS Online TPP Program

#Question id: 22939

#SCPH01 Biochemistry

CO gene expression appears to be highest in the companion cells of the phloem of leaves and stems, the downstream target gene of CONSTANS is
TLS Online TPP Program

#Question id: 18608

#SCPH06 I Botany

In an experiment, A 5kb DNA undergoes PCR using primer, after electrophoresis instead getting a 5kb band, two set of PCR band are found of 5kb and 3kb, this is due to
TLS Online TPP Program

#Question id: 1107

#SCPH06 I Botany

Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?
TLS Online TPP Program

#Question id: 16477

#SCPH06 I Botany

Individual cell lineages are first isolated from an organ they are then grown separately to high density in a three- dimensional matrix. This  type of culture is called