In a class of 25 students, the average merks obtained by 23 of them in an examination was 50. The remaining two got 0 each. By how much did the two lower the average for the class?

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#Question id: 5604

#Unit 5. Developmental Biology

Upon secretion of wnt, When Wnt attaches to the Frizzled receptor on a responding cell, the cell secretes Notum, cleaves off Wnt’s attached lipids. This process is called as:

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#Question id: 5534

#Unit 5. Developmental Biology

In meroblastic cleavage, cleavage happens only in the

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#Question id: 3536

#Unit 8. Inheritance Biology

What is the probability that selfing an F1 plant from Mendel dihybrid cross ( RrYy X RrYy) will produce an offspring with an rrYY genotype?

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#Question id: 757

#Unit 1. Molecules and their Interaction Relevant to Biology

_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

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#Question id: 12774

#Unit 10. Ecological Principles

Which of the following can contribute to density-dependent regulation of populations?