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Cell Organelle Flashcards: 24 Structures & Functions in Both Directions

Learn 24 common plant and animal cell structures with 48 two-way flashcards linking each name to its primary function.

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À propos de ce paquet

These cell organelle flashcards cover 24 common structures encountered when studying plant and animal cells. The 48 text-only cards practice two mappings for every structure: the structure name to its primary function, and an unambiguous primary-function cue back to the name.

The deck distinguishes shared eukaryotic structures from structures that are characteristic of plant cells or common in animal cells. It also separates jobs that are easy to confuse: ribosomes build proteins, rough ER folds and begins processing selected proteins, the Golgi apparatus modifies and sorts cargo, and transport vesicles carry cargo between compartments. Motile cilia are cued by moving fluid across many animal tissue surfaces, while a eukaryotic flagellum is cued by propelling a whole cell.

The sequence starts with whole-cell boundaries and contents, then moves through genetic information and protein handling, energy and recycling, support and movement, and plant-specific structures. Name-to-function and function-to-name cards are interleaved. Paired variants have at least three unrelated cards between them.

This is a focused cell organelle quiz for secondary and introductory biology, not a full biology course. It excludes diagrams and image identification, prokaryotic structures, detailed ultrastructure, pathways, disease and clinical facts, microscopy, and pronunciation. There are no card images.

Facts were checked against the NHGRI Talking Glossary, the NIGMS organelle tour, U.S. government-hosted cell biology references in NCBI Bookshelf, and plant-cell material from the USDA Agricultural Research Service. Every prompt, answer, selection, sequence, and metadata field was independently authored. No source prose, layout, or media was copied. Facts and source materials aren't claimed as ours.

The original deck wording, organization, metadata, and generated cover are dedicated under CC0 1.0 to the extent applicable rights exist. CC0 doesn't apply to source material or source ownership. Independent study deck. Not affiliated with or endorsed by NIH, NHGRI, NIGMS, NCBI, or USDA.

Cartes de ce paquet

  1. Carte 1

    Question

    Cell structure: plasma membrane → primary function

    Réponse

    Selectively controls which materials enter and leave the cell.

  2. Carte 2

    Question

    Cell structure: cytoplasm → primary function

    Réponse

    Provides the fluid-filled region where organelles are suspended and many cellular reactions occur.

  3. Carte 3

    Question

    Cell structure: nucleus → primary function

    Réponse

    Stores most of a eukaryotic cell's DNA in chromosomes.

  4. Carte 4

    Question

    Cell structure: nucleolus → primary function

    Réponse

    Produces ribosomal RNA and assembles ribosomal subunits inside the nucleus.

  5. Carte 5

    Question

    Which cell boundary selectively controls materials entering and leaving a plant or animal cell?

    Réponse

    Plasma membrane (cell membrane).

  6. Carte 6

    Question

    Cell structure: ribosome → primary function

    Réponse

    Builds proteins by translating messenger RNA into amino acid chains.

  7. Carte 7

    Question

    Which region inside a eukaryotic cell, but outside its nucleus, suspends organelles and hosts many cellular reactions?

    Réponse

    Cytoplasm.

  8. Carte 8

    Question

    Cell structure: rough endoplasmic reticulum → primary function

    Réponse

    Folds and begins processing proteins made for secretion, membranes, or certain organelles.

  9. Carte 9

    Question

    Which membrane-enclosed organelle stores most of a plant or animal cell's DNA in chromosomes?

    Réponse

    Nucleus.

  10. Carte 10

    Question

    Cell structure: smooth endoplasmic reticulum → primary function

    Réponse

    Synthesizes lipids for membranes and other cell needs.

  11. Carte 11

    Question

    Which structure inside the nucleus produces ribosomal RNA and assembles ribosomal subunits?

    Réponse

    Nucleolus.

  12. Carte 12

    Question

    Cell structure: Golgi apparatus → primary function

    Réponse

    Modifies, sorts, and packages proteins and lipids for delivery to their destinations.

  13. Carte 13

    Question

    Which cellular structure translates messenger RNA into an amino acid chain?

    Réponse

    Ribosome.

  14. Carte 14

    Question

    Cell structure: transport vesicle → primary function

    Réponse

    Carries proteins and lipids between membrane-bound compartments or to the plasma membrane.

  15. Carte 15

    Question

    Which ribosome-studded membrane network folds and begins processing proteins for secretion or membranes?

    Réponse

    Rough endoplasmic reticulum (rough ER).

  16. Carte 16

    Question

    Cell structure: mitochondrion → primary function

    Réponse

    Generates ATP by converting energy from food molecules in many eukaryotic cells.

  17. Carte 17

    Question

    Which ribosome-free endoplasmic reticulum network synthesizes lipids for membranes and other cell needs?

    Réponse

    Smooth endoplasmic reticulum (smooth ER).

  18. Carte 18

    Question

    Cell structure: lysosome → primary function

    Réponse

    Breaks down and recycles macromolecules and worn cell parts with acidic enzymes, especially in animal cells.

  19. Carte 19

    Question

    Which eukaryotic organelle modifies, sorts, and packages proteins and lipids for delivery?

    Réponse

    Golgi apparatus.

  20. Carte 20

    Question

    Cell structure: peroxisome → primary function

    Réponse

    Breaks down fatty acids through oxidation and uses catalase to remove the resulting hydrogen peroxide.

  21. Carte 21

    Question

    Which small membrane-bound carrier moves protein or lipid cargo between cell compartments?

    Réponse

    Transport vesicle.

  22. Carte 22

    Question

    Cell structure: cytoskeleton → primary function

    Réponse

    Supports cell shape and organizes movement of the cell and its internal components.

  23. Carte 23

    Question

    Which organelle generates ATP by converting energy from food molecules in many plant and animal cells?

    Réponse

    Mitochondrion.

  24. Carte 24

    Question

    Cell structure: microtubule → primary function

    Réponse

    Forms rigid cytoskeletal tracks for organelle transport and helps build the mitotic spindle.

  25. Carte 25

    Question

    Which acidic, enzyme-filled organelle breaks down and recycles macromolecules and worn parts in many animal cells?

    Réponse

    Lysosome.

  26. Carte 26

    Question

    Cell structure: microfilament (actin filament) → primary function

    Réponse

    Drives cell-surface shape changes and contraction through thin actin-based fibers.

  27. Carte 27

    Question

    Which eukaryotic organelle oxidizes fatty acids and uses catalase to break down hydrogen peroxide?

    Réponse

    Peroxisome.

  28. Carte 28

    Question

    Cell structure: intermediate filament → primary function

    Réponse

    Provides tensile strength that helps many animal cells withstand mechanical stress.

  29. Carte 29

    Question

    Which network of protein filaments supports cell shape and organizes cell and organelle movement?

    Réponse

    Cytoskeleton.

  30. Carte 30

    Question

    Cell structure: centrosome → primary function

    Réponse

    Organizes microtubules in most animal cells, including those used to form the mitotic spindle.

  31. Carte 31

    Question

    Which rigid, hollow cytoskeletal filament serves as a track for organelle transport and helps form the mitotic spindle?

    Réponse

    Microtubule.

  32. Carte 32

    Question

    Cell structure: centriole → primary function

    Réponse

    Can become a basal body that anchors and organizes a cilium or flagellum in many animal cells.

  33. Carte 33

    Question

    Which thin actin-based cytoskeletal filament drives cell-surface shape changes and contraction?

    Réponse

    Microfilament (actin filament).

  34. Carte 34

    Question

    Cell structure: cilium → primary function

    Réponse

    Moves fluid or mucus across the surfaces of many animal tissues when motile.

  35. Carte 35

    Question

    Which rope-like cytoskeletal filament gives many animal cells tensile strength against mechanical stress?

    Réponse

    Intermediate filament.

  36. Carte 36

    Question

    Cell structure: flagellum → primary function

    Réponse

    Propels a eukaryotic cell through fluid, as in a sperm cell.

  37. Carte 37

    Question

    Which microtubule-organizing center in most animal cells helps arrange the mitotic spindle?

    Réponse

    Centrosome.

  38. Carte 38

    Question

    Cell structure: cell wall → primary function

    Réponse

    Provides rigid external support and resists internal turgor pressure in plant cells.

  39. Carte 39

    Question

    Which cylindrical microtubule structure can become the basal body that anchors a cilium or flagellum?

    Réponse

    Centriole.

  40. Carte 40

    Question

    Cell structure: chloroplast → primary function

    Réponse

    Carries out photosynthesis in photosynthetic plant cells, converting light energy into chemical energy stored in sugars.

  41. Carte 41

    Question

    Which short, often numerous eukaryotic surface projection beats to move fluid or mucus across many animal tissues?

    Réponse

    Cilium.

  42. Carte 42

    Question

    Cell structure: central vacuole → primary function

    Réponse

    Stores water and dissolved substances and helps maintain turgor pressure in many mature plant cells.

  43. Carte 43

    Question

    Which long eukaryotic surface projection usually occurs one or a few per cell and propels the whole cell through fluid?

    Réponse

    Flagellum.

  44. Carte 44

    Question

    Cell structure: plasmodesma → primary function

    Réponse

    Forms a channel through plant cell walls for direct transport and signaling between adjacent cells.

  45. Carte 45

    Question

    Which rigid layer outside a plant cell's plasma membrane supports the cell and resists turgor pressure?

    Réponse

    Cell wall.

  46. Carte 46

    Question

    Which organelle converts light energy into chemical energy during photosynthesis in photosynthetic plant cells?

    Réponse

    Chloroplast.

  47. Carte 47

    Question

    Which large organelle in many mature plant cells stores water and dissolved substances while supporting turgor pressure?

    Réponse

    Central vacuole.

  48. Carte 48

    Question

    Which channel through a plant cell wall allows materials and signals to pass directly between adjacent cells?

    Réponse

    Plasmodesma.

Abstract 3D cutaway of a eukaryotic cell with a nucleus, membrane networks, Golgi stacks, mitochondria, vesicles, and cytoskeletal strands.

48 cartes

Cell Organelle Flashcards: 24 Structures & Functions in Both Directions

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