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TLS Online TPP Program

#Question id: 4325

Cell differentiation always involves

#SCPH28 | Zoology

  1. transcription of the myo D gene.

  2. the movement of cells.

  3. the production of tissue-specific proteins.

  4. the selective loss of certain genes from the genome.

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TLS Online TPP Program

#Question id: 5071

#SCPH01 Biochemistry

Defect in hedgehog signaling cause, basal cell nevus syndrome, a rare autosomal dominant condition characterized by both developmental anomalies (fused fingers; rib and facial abnormalities) and multiple malignant tumors. This condition created due to mutation in
TLS Online TPP Program

#Question id: 2923

#SCPH01 Biochemistry

Injection of an immature Xenopus oocyte with MPF induces:
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#Question id: 8913

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

The larvae of some insects are merely small versions of the adult, whereas the larvae of other insects look completely different from adults, eat different foods, and may live in different habitats. Which of the following most directly favors the evolution of the latter, more radical, kind of metamorphosis?
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#Question id: 1403

#SCPH06 I Botany

Tumor-suppressor genes encode proteins with which of the following functions?

a. growth-promoting               b. growth-arresting                  c. pro-apoptotic

d. anti-apoptotic                      e. DNA repair
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#Question id: 3510

#SCPH12 I Genetics

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?