Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1007
TLS Online TPP Program

#Question id: 1032

A research laboratory is investigating environmental factors that would inhibit the growth of Archaea. One question they have is if adding the antibiotic penicillin would be effective in controlling their growth. What do you think the outcome would be if they tried this?

#Unit 4. Cell Communication and Cell Signaling

  1. The penicillin wouldn't affect the Archaea because it prevents crosslinking of peptidoglycan-Archaea don't have this compound in their cell walls.

  2. The penicillin will inhibit cell wall formation in the Archaea, killing them.

  3. The penicillin will slow down the growth of the Archaea by damaging the cell wall, but they will still be able to grow somewhat.

  4. The penicillin will enhance the growth of the Archaea by providing a rich nutrient source.

More Questions
TLS Online TPP Program

#Question id: 290

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is a TRUE statement about ionic bonds in protein structure:
TLS Online TPP Program

#Question id: 12732

#Unit 13. Methods in Biology

When the absorbance of DNA at ____ nm increases as the DNA becomes denatured , the phenomenon known as the ______.
TLS Online TPP Program

#Question id: 23031

#Unit 12. Applied Biology

Which of the following portion of some xenobiotic can be traced back to a biological origin to see if these substances were produced oil, natural gas or coal?
TLS Online TPP Program

#Question id: 26400

#Unit 3. Fundamental Processes

Which of the following statement is not true regarding MCM
TLS Online TPP Program

#Question id: 19382

#Unit 12. Applied Biology

A plant can be made glyphosate resistant by