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TLS Online TPP Program

#Question id: 8855


A spongeʹs structural materials (spicules, spongin) are manufactured by the

#Unit 9. Diversity of Life Forms
  1. amoebocytes.
  2. epidermal cells.
  3. choanocytes.
  4. zygotes.

Answer:- Option(s): 1


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TLS Online TPP Program

#Question id: 7056

#Unit 5. Developmental Biology

In mammalian development, Only trophoblast cells synthesize the transcription factor Cdx2, which:

TLS Online TPP Program

#Question id: 7057

#Unit 5. Developmental Biology

Movement of mesodermal precursor regulated by the factor which is expressed in the primitive streak and repels migrating cells away from the streak. The factor is:

TLS Online TPP Program

#Question id: 7058

#Unit 5. Developmental Biology

Molting in arthropods, in which the external cuticle is shed to allow for growth, termed as

TLS Online TPP Program

#Question id: 7059

#Unit 5. Developmental Biology

A Drosophila gene active in both males and females, but whose RNA transcript is spliced in a sex-specific manner to produce sex-specific transcription factors-

TLS Online TPP Program

#Question id: 7060

#Unit 5. Developmental Biology

What would be the result of a mutation in a maternal effect gene in a female Drosophila?

TLS Online TPP Program

#Question id: 7061

#Unit 5. Developmental Biology

In placental mammals, delayed implantation usually occurs when the

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