Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 59774
TLS Online TPP Program

#Question id: 34540

Which of the following are true about Gram-negative bacterial cell walls?

#XL - S Microbiology
  1. They have a thin peptidoglycan layer located in the periplasmic space
  2. They contain lipopolysaccharide (LPS) in the outer membrane
  3. Peptidoglycan is directly exposed to the external environment
  4. Porins are present in the outer membrane
More Questions
TLS Online TPP Program

#Question id: 12026

#XL - T Zoology

Pepsinogen is converted to its active form in the stomach by ________.
TLS Online TPP Program

#Question id: 12027

#XL - T Zoology

If you place a small piece of a cracker on your tongue, what would you expect to happen?
TLS Online TPP Program

#Question id: 12028

#XL - T Zoology

Coprophagy is important for the nutritional balance of ________.
TLS Online TPP Program

#Question id: 12063

#XL - S Microbiology

Green algae often differ from land plants in that some green algae
TLS Online TPP Program

#Question id: 12063

#XL - R Botany

Green algae often differ from land plants in that some green algae
TLS Online TPP Program

#Question id: 12064

#XL - S Microbiology

Which taxon of eukaryotic organisms is thought to be directly ancestral to the plant kingdom?