Question
Biology Question on Kingdom Plant
Algae have cell wall made up of
A
cellulose, galactans and mannans
B
hemicellulose, pectins and proteins
C
pectins, cellulose and proteins
D
cellulose, hemicellulose and pectins.
Answer
cellulose, galactans and mannans
Explanation
Solution
majority of algae (eukaryotes) possess a definite cell wall containing cellulose and other carbohydrates. In algal cell wall, different chemical components are present which vary widely among different groups (e.g., xylan, mannan, galactan, alginic acid, silica, agar, pectin, carrageen in, etc.). Cell wall of blue-green algae is made up of micro-peptides (proteins). This micro-peptide is not found in eukaryotic algae.