Practice Questions

TLS Online TPP Program

#Question id: 8851

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?

#Unit 9. Diversity of Life Forms

Songbirds expend a tremendous amount of energy defending territories so that they spend less time feeding their young and fledgling mortality increases.
Only the fittest males defend territories and they attract the fittest females so the best genes are conveyed to the next generation.
Songbird males defend territories commensurate with the size from which they can derive adequate resources for themselves, their mate, and their chicks.
Many individuals are killed in the ritualistic conflicts that go along with territorial defense.

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TLS Online TPP Program

#Question id: 1508

#Unit 4. Cell Communication and Cell Signaling

Of the following statements explaining how alterations of the ras gene cause cancer, which is true?

TLS Online TPP Program

#Question id: 24221

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucagon lowers the cellular level of fructose 2,6 bisphosphate by

TLS Online TPP Program

#Question id: 19052

#Unit 13. Methods in Biology

Amino acids detected by spraying the plate with ninhydrin solution is an example of

TLS Online TPP Program

#Question id: 69

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the diastereomer of the following compound?

TLS Online TPP Program

#Question id: 2692

#Unit 2. Cellular Organization

With respect to microsatellite DNA which of the following is correct?