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TLS Online TPP Program

#Question id: 1056

During penetration of E. coli by the T4 phage

#Unit 4. Cell Communication and Cell Signaling

  1. lysozyme is used to allow entry of the phage capsid.

  2. the tail acts as a "hypodermic needle," injecting the phage DNA into the cell.

  3. the protein fibers digest a hole in the cell wall.

  4. the bacterial receptor molecules open a hole through the cell wall.

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TLS Online TPP Program

#Question id: 10745

#Unit 10. Ecological Principles

Releasers may be ____________.
TLS Online TPP Program

#Question id: 10746

#Unit 10. Ecological Principles

The difference between an edge and an ecotone is that an edge is ________, whereas an ecotone is ________.
TLS Online TPP Program

#Question id: 10747

#Unit 10. Ecological Principles

Extinction describes a loss of learning in _____________.
TLS Online TPP Program

#Question id: 10748

#Unit 10. Ecological Principles

Learning how much to study to earn an “a” in biology is an example of _____________.
TLS Online TPP Program

#Question id: 12280

#Unit 10. Ecological Principles

What is the effective population size of a population of 50 strictly monogamous swans (40 males and 10 females) if every female breeds successfully?
TLS Online TPP Program

#Question id: 12284

#Unit 10. Ecological Principles

The feeding relationships among the species in a community determine the community's