Practice Questions

TLS Online TPP Program

#Question id: 12759

As climate changes because of global warming, species? ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that

#Unit 10. Ecological Principles

Have seeds that are easily dispersed by wind or animals.
Have thin seed coats.
Produce well-provisioned seeds.
Have seeds that become viable only after a forest fire.

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TLS Online TPP Program

#Question id: 23673

#Unit 13. Methods in Biology

Restriction fragment length polymorphisms refer to ________.

TLS Online TPP Program

#Question id: 23674

#Unit 13. Methods in Biology

Why is Taq polymerase used in PCR rather than DNA polymerases from other sources?

TLS Online TPP Program

#Question id: 23675

#Unit 13. Methods in Biology

After ten cycles of PCR, by approximately what factor will the number of DNA molecules in a sample be increased? Assume maximum efficiency.

TLS Online TPP Program

#Question id: 23676

#Unit 13. Methods in Biology

What is the purpose of the heating cycle during PCR?

TLS Online TPP Program

#Question id: 23677

#Unit 13. Methods in Biology

Which of the following is not an application of PCR?

TLS Online TPP Program

#Question id: 23678

#Unit 13. Methods in Biology

Which component is not necessary for a PCR experiment?