Practice Questions

TLS Online TPP Program

#Question id: 117

Which of the following is not true of sterols?

#1. Molecules and their Interaction Relevant to Biology

Cholesterol is a sterol that is commonly found in mammals.
They are commonly found in bacterial membranes.
They are more common in plasma membranes than in intracellular membranes (mitochondria, lysosomes, etc.).
They are precursors of steroid hormones.

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TLS Online TPP Program

#Question id: 10741

#10. Ecological Principles

My backyard borders a forest; when my backyard is well-maintained, where it and the forest meet is a(n)

TLS Online TPP Program

#Question id: 10742

#10. Ecological Principles

Interior species

TLS Online TPP Program

#Question id: 10743

#10. Ecological Principles

Darlington proposed that

TLS Online TPP Program

#Question id: 10744

#10. Ecological Principles

Something that triggers a fixed action potential (FAP) is considered to be a(n) _____________.

TLS Online TPP Program

#Question id: 10745

#10. Ecological Principles

Releasers may be ____________.

TLS Online TPP Program

#Question id: 10746

#10. Ecological Principles

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.