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TLS Online TPP Program

#Question id: 4698

It has been observed that organisms on islands are different from, but closely related to, similar forms found on the nearest continent. This is taken as evidence that

#Unit 11. Evolution and Behavior

  1. island forms and mainland forms descended from common ancestors.

  2. common environments are inhabited by the same organisms.

  3. the islands were originally part of the continent.

  4. the island forms and mainland forms are converging.

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TLS Online TPP Program

#Question id: 19221

#Unit 12. Applied Biology

Which gene is added downstream from the left border to prevent unwanted vector DNA past the left border from being incorporated into transgenic plants.
TLS Online TPP Program

#Question id: 19365

#Unit 13. Methods in Biology

Which vectors carry the longest foreign DNA fragments?
TLS Online TPP Program

#Question id: 3259

#Unit 11. Evolution and Behavior

Different type of evolution leads to group of taxon in following three manners

A- group of taxon whose member have descended from common ancestor

B- when two lineages convergently  evolve similar character states form  groups that are recognized by pheneticists

c. taxon that include most recent ancestor but not all of its descendent
TLS Online TPP Program

#Question id: 16776

#Unit 13. Methods in Biology

If the Mean and Mode are 25, then find the Median.
TLS Online TPP Program

#Question id: 432

#Unit 1. Molecules and their Interaction Relevant to Biology

The ultimate product of complete oxidation of carbohydrates is ________.