Cell Structure Essentials

Organelles, membranes, and prokaryote vs eukaryote basics. Ideal for board exams and competitive test prep.

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QUESTION NO 01

The basic unit of life is the?

Answer: Cell

Cells are the smallest units that carry out life processes.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 02

Which organelle is the powerhouse of the cell?

Answer: Mitochondrion

Mitochondria generate most ATP via cellular respiration.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Protein synthesis occurs at the?

Answer: Ribosome

Ribosomes translate mRNA into polypeptides.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

The cell membrane is mainly composed of?

Answer: Phospholipid bilayer

A phospholipid bilayer with proteins forms the plasma membrane.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

DNA in eukaryotes is mainly stored in the?

Answer: Nucleus

The nucleus houses most of the cell's genetic material.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

Which organelle packages and ships proteins?

Answer: Golgi apparatus

The Golgi modifies, sorts, and packages proteins for transport.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Lysosomes are involved in?

Answer: Intracellular digestion

Lysosomes contain hydrolytic enzymes that break down materials.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

Prokaryotic cells lack a?

Answer: Membrane-bound nucleus

Prokaryotes have nucleoid DNA without a nuclear envelope.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

Plant cells uniquely have?

Answer: Cell wall, chloroplasts, and large central vacuole

These features distinguish typical plant cells from animal cells.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 10

Osmosis is diffusion of?

Answer: Water across a selectively permeable membrane

Water moves from high to low water potential across membranes.

Shahzad Mahota @shahzad-mahota

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Cell Structure Essentials

The basic unit of life is the?

Which organelle is the powerhouse of the cell?

Protein synthesis occurs at the?

The cell membrane is mainly composed of?

DNA in eukaryotes is mainly stored in the?

Which organelle packages and ships proteins?

Lysosomes are involved in?

Prokaryotic cells lack a?

Plant cells uniquely have?

Osmosis is diffusion of?

Published By

Shahzad Mahota

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00

00

00

00

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Cell Structure Essentials

The basic unit of life is the?

Explanation

Which organelle is the powerhouse of the cell?

Explanation

Protein synthesis occurs at the?

Explanation

The cell membrane is mainly composed of?

Explanation

DNA in eukaryotes is mainly stored in the?

Explanation

Which organelle packages and ships proteins?

Explanation

Lysosomes are involved in?

Explanation

Prokaryotic cells lack a?

Explanation

Plant cells uniquely have?

Explanation

Osmosis is diffusion of?

Explanation

Published By

Shahzad Mahota

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00

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