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TLS Online TPP Program

#Question id: 773

Which of the following describes the function of an enzyme known as Dicer?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. It degrades single-stranded DNA.

  2. It degrades mRNA with no poly(A) tail.

  3. It trims double-stranded RNAs into molecules that can block translation.

  4. It degrades single-stranded mRNA.

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TLS Online TPP Program

#Question id: 6990

#Unit 5. Developmental Biology

Insects such as Drosophila undergo three molts before becoming a pupa and undergoing metamorphosis. Molting, which is also called 'ecdysis', is controlled by what hormone?
TLS Online TPP Program

#Question id: 6991

#Unit 5. Developmental Biology

Metamorphosis of amphibians is triggered by environmental cues that act on the:
TLS Online TPP Program

#Question id: 6992

#Unit 5. Developmental Biology

Epimorphosis is regeneration through:
TLS Online TPP Program

#Question id: 6993

#Unit 5. Developmental Biology

What molecular marker of head identity is found in the apical tip of a Hydra during head regeneration?
TLS Online TPP Program

#Question id: 6994

#Unit 5. Developmental Biology

Puberty is initiated by pulse release of _____________(hormone)
TLS Online TPP Program

#Question id: 6995

#Unit 5. Developmental Biology

The migratory neural crest cells ________.