16. Evaluate the following statements about lysosomes and vacuoles.
a) Lysosomes are membrane-bound vesicular structures formed by packaging in the ER.
b) Lysosomal vesicles are rich in hydrolytic enzymes that are optimally active at an alkaline pH.
c) These enzymes can digest carbohydrates, proteins, lipids, and nucleic acids.
d) The vacuole is a non-membrane-bound space in the cytoplasm.
e) The vacuole membrane is called the tonoplast.
f) In plant cells, vacuoles can occupy up to 90% of the cell’s volume.
g) In Amoeba, the contractile vacuole is important for digestion.
