Cell Biology

Cell structure, organelles, membranes, and cell division.

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Cell Biology

QUESTION NO 01
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Plant cells uniquely have?

Answer: Cell wall, chloroplasts, and large central vacuole
These features distinguish typical plant cells from animal cells.
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QUESTION NO 02
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Meiosis is important because it?

Answer: Produces haploid gametes and genetic variation
Meiosis halves chromosome number and reshuffles alleles.
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QUESTION NO 03
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Lysosomes are involved in?

Answer: Intracellular digestion
Lysosomes contain hydrolytic enzymes that break down materials.
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QUESTION NO 04
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Mitosis produces?

Answer: Two genetically identical diploid cells
Mitosis maintains chromosome number for growth/repair.
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QUESTION NO 05
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Prokaryotic cells lack a?

Answer: Membrane-bound nucleus
Prokaryotes have nucleoid DNA without a nuclear envelope.
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QUESTION NO 06
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Which organelle packages and ships proteins?

Answer: Golgi apparatus
The Golgi modifies, sorts, and packages proteins for transport.
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QUESTION NO 07
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DNA in eukaryotes is mainly stored in the?

Answer: Nucleus
The nucleus houses most of the cell's genetic material.
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QUESTION NO 08
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Lysosomes are involved in?

Answer: Intracellular digestion
Lysosomes contain hydrolytic enzymes that break down materials.
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QUESTION NO 09
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The cell membrane is mainly composed of?

Answer: Phospholipid bilayer
A phospholipid bilayer with proteins forms the plasma membrane.
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QUESTION NO 10
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Osmosis is diffusion of?

Answer: Water across a selectively permeable membrane
Water moves from high to low water potential across membranes.
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