Question

all cells have what three following things?
a) mitochondria, enzymes, and nucleic acid
b) cell membrane, cytoplasm, dna
c) bacteria, microtubules, organelles
d) rna, dna, nucleus

Explanation:

• Option a: Mitochondria are not present in all cells (e.g., prokaryotic cells like bacteria lack mitochondria).
• Option b: All cells (prokaryotic and eukaryotic) have a cell membrane (to separate the internal and external environment), cytoplasm (where cellular processes occur), and DNA (genetic material).
• Option c: Bacteria are a type of cell, not a component that all cells have. Microtubules are part of the cytoskeleton in eukaryotic cells and not present in all prokaryotic cells.
• Option d: Prokaryotic cells lack a nucleus.

Answer:

B. Cell membrane, cytoplasm, DNA