Which of the following observations provides the best evidence of a biodiversity crisis?

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#Question id: 1372

#Unit 4. Cell Communication and Cell Signaling

Match the following junctions (Column I) with their functions (Column II).

Column I	Column II
a. adherens junctions	i. Controlling solute flow, signaling
b. gap junctions	ii. Shape, rigidity, signaling
c. tight junctions	iii. Shape, tension, signaling, force transmission
d. hemidesmosomes	iv. Communication, small-molecule transport between cells

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#Question id: 5536

#Unit 5. Developmental Biology

Which of the following is not related with the spot of invagination during gastrulation?

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#Question id: 26473

#Unit 3. Fundamental Processes

rut sites are

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#Question id: 23258

#Unit 13. Methods in Biology

If the probes are hybridized at the ends of the chromosome then they are called as

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#Question id: 5551

#Unit 5. Developmental Biology

When the vertebrate embryo grows into a hollow ball, it is called a