MDCAT
Biology
2017
Biology · Kingdom Animalia
Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.
Question
Chitin, a chemical found in exoskeleton of arthropods is also found in cell wall of:
Options
- A
Bacteria
- B
Fungi
- C
Cyanobacteria
- D
Algae
Explanation
Chitin is a substance made from fibrous polysaccharides. They are famously known for being used to construct the cell walls of eukaryotic Fungi.
The cell wall of bacteria is made up of peptidoglycan.
Chitin makes up the cell wall of fungi.
Cyanobacteria have a Gram-negative type of cell wall.
Algae has a cellulosic cell wall.
Tagged under Biology · Kingdom Animalia · 2017