Biology Atlas

Which human body cells have the longest life span, at 120 days, before they are replaced?

• Red blood cells

• White blood cells

• Skin epidermis cells

• Intestine Paneth cells

Which part of the cell is responsible for energy production?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

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What is the primary function of chlorophyll in plants?

• Absorb water

• Absorb sunlight

• Store nutrients

• Protect from pests

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Which process involves the movement of water across a semipermeable membrane?

• Diffusion

• Osmosis

• Active transport

• Facilitated diffusion

What is the basic unit of life?

• Organ

• Tissue

• Cell

• Molecule

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Which organelle is known as the 'control center' of the cell?

• Endoplasmic reticulum

• Nucleus

• Lysosome

• Chloroplast

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What is the role of ribosomes in a cell?

• Protein synthesis

• Lipid synthesis

• DNA replication

• Energy production

Which type of cell division results in two identical daughter cells?

• Meiosis

• Mitosis

• Binary fission

• Budding

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What is the main component of the cell membrane?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Which molecule carries genetic information?

• RNA

• DNA

• Protein

• Lipid

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