Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 18574
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?

#XL - T Zoology

  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: 772

#XL - Q Biochemistry

MicroRNAs:
TLS Online TPP Program

#Question id: 2936

#XL - T Zoology

The stable attachment of sister kinetochores to microtubules emanating from opposite spindle poles is called:
TLS Online TPP Program

#Question id: 10285

#XL - Q Biochemistry

Some of the statements given shows the activity of PFK-1 and PFK-2, which of the following statements incorrectly shown these enzyme activity?
TLS Online TPP Program

#Question id: 9612

#XL - R Botany

The best classification system is that which most closely
TLS Online TPP Program

#Question id: 14965

#XL - S Microbiology

An exotoxin is a toxin secreted by bacteria. It can cause damage to the host by destroying cells or disrupting normal cellular metabolism. They are highly potent and can cause major damage to the host. Exotoxins may be secreted by bacteria which