There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).
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Interphase, Prophase, Metaphase, Anaphase, Telephase. B
Answer:
B. Lysosomes are acidic because they contain acid hydrolases.
Explanation:
Lysosomes are small cell organelles that float outside nucleus. Lysosomes are present in the cytosol of the cells.
Lysosomes are acidic in nature having pH below 5 because of proton pumping through the plasma membrane to maintain this acidic pH.
This acidic nature of lysosomes play a role in fight against diseases.
Hence, the correct option is "B".
