Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 28011
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.

More Questions
TLS Online TPP Program

#Question id: 10675

#Unit 10. Ecological Principles

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?
TLS Online TPP Program

#Question id: 10676

#Unit 10. Ecological Principles

For a pair of interacting species, increased specialization and decreased niche breadth in both species would result in
TLS Online TPP Program

#Question id: 10677

#Unit 10. Ecological Principles

What interactions occur in epiphyte plants that grow on other plants?
TLS Online TPP Program

#Question id: 10678

#Unit 10. Ecological Principles

In competitive species N1 and N2, four individuals of N2 use the same resource as one individuals of N1. According conversion factor, what is the value of per capita competitive effect of N2 on N1(α) and per capita effect of N1 on N2 ( β) respectively?
TLS Online TPP Program

#Question id: 10680

#Unit 10. Ecological Principles

Which of the following organism usually show exploitation competition?
TLS Online TPP Program

#Question id: 10681

#Unit 10. Ecological Principles

Which of the following is not condition for commensalism?