Movement of epithelial cells as a unit to enclose deeper layers of the embryo. This type of cell movement during gastrulation occur in:

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#Question id: 23990

#Aptitude

Suppose your student gets appointment in your school. Your behaviour towards him will be

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#Question id: 18369

#12. Applied Biology

The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by 

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#Question id: 3697

#3. Fundamental Processes

In the Meselson-Stahl DNA replication experiment, what percent of the DNA was composed of one light strand and one heavy strand after one generation of growth in 14N containing growth media?

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#Question id: 12565

#10. Ecological Principles

If we say a species is endemic to a certain area, we mean that

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#Question id: 17216

#7. System Physiology – Animal

What do you mean by negative feedback system?