Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1031
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: 667

#Unit 1. Molecules and their Interaction Relevant to Biology

Which represents the backbone of a protein?

Note: R = amino acid side chain

N = nitrogen

Cα = alpha carbon

C = carbonyl carbon
TLS Online TPP Program

#Question id: 26457

#Unit 3. Fundamental Processes

In the -10 element TATAAT most conserved sequence are
TLS Online TPP Program

#Question id: 18391

#Unit 12. Applied Biology

Detoxification of organophosphate pesticides in the environment is performed by
TLS Online TPP Program

#Question id: 30078

#Unit 2. Cellular Organization

Transposable elements that contain genes for their own mobilization are called:
TLS Online TPP Program

#Question id: 32514

#Unit 1. Molecules and their Interaction Relevant to Biology

Cyanide acts primarily via binding to