Answer:
The answer is "A"
Explanation:
They cannot make their own food, they are heterotrophs
Lysozyme which is found in the lysosomes. They function at a relatively low pH and are so because if they functioned at physiological pH they would digest the cell. But in this case, they are in the lysosomes where they are safe and at a lower pH so when the vesicles open they can emit hydrogen ions and the lysozyme to digest the foreign material.
Answer:
cellulose present in cell wall of dead sclerenchyma is the wood that we use in furniture in home
Microorganisms such as bacteria can be removed by disinfection. Certauns substances called biocides are addes to water to make it pure. Purification can also be done by UV-light .