Biology · Cell Biology Fundamentals

Biology — Cell Biology Fundamentals

Connect cell structures to their functions, from membranes and ribosomes to mitochondria and chloroplasts.

20 cardsHigh school / introductory universityFoundational

A focused review

Topics covered

cellsorganellesmembrane transportcell structureAP Biology

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Question 01What basic feature distinguishes eukaryotic cells from prokaryotic cells?

Answer

Eukaryotic cells have a membrane-bound nucleus and other membrane-bound organelles; prokaryotic cells do not.

Question 02What structures are found in both prokaryotic and eukaryotic cells?

Answer

Both have a plasma membrane, cytoplasm, ribosomes, and genetic material.

Question 03What is the main function of the plasma membrane?

Answer

It forms a selectively permeable boundary that regulates exchange between the cell and its surroundings.

Question 04What is the basic structure of a cell membrane?

Answer

A phospholipid bilayer with embedded proteins and other molecules.

Question 05What is the difference between diffusion and osmosis?

Answer

Diffusion is net particle movement down a concentration gradient; osmosis is water diffusion across a selectively permeable membrane.

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