Consider this pathway:

epinephrine → G protein-coupled receptor → G protein → adenylyl cyclase → cAMP

The second messenger in this pathway is:

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#Question id: 18593

#SCPH28 | Zoology

Some important events in the history of life on Earth are given below.

A. First dinosaurs appeared.

B. First reptiles appeared.

C. First insect fossils appeared.

D. First toothed birds appearance.

E. First wingless insect appeared.

F. Mammals like reptile arise

Match the above with the geological time periods and choose the correct combination,

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#Question id: 1394

#SCPH05 I Biotechnology

Apoptosis involves all but which of the following?

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#Question id: 3522

#SCPH01 Biochemistry

A haplo-diplod insect, Male are haploid but female are diploid, A female who is heterozygous for recessive red eye color mutation mate with red eye male. What will be percent of wild phenotype color eye among their female?

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#Question id: 1583

#SCPH28 | Zoology

These cells are involved in cell-mediated immunity and destroy virally infected cells:

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#Question id: 2962

#SCPH28 | Zoology

Which of the following experimental observations (some real, some contrived) would not be consistent with our current understanding of cytokinesis?