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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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.
Selle kaardipaki kaardid
Kaart 1
Küsimus
Cell structure: plasma membrane → primary function
Vastus
Selectively controls which materials enter and leave the cell.
Kaart 2
Küsimus
Cell structure: cytoplasm → primary function
Vastus
Provides the fluid-filled region where organelles are suspended and many cellular reactions occur.
Kaart 3
Küsimus
Cell structure: nucleus → primary function
Vastus
Stores most of a eukaryotic cell's DNA in chromosomes.
Kaart 4
Küsimus
Cell structure: nucleolus → primary function
Vastus
Produces ribosomal RNA and assembles ribosomal subunits inside the nucleus.
Kaart 5
Küsimus
Which cell boundary selectively controls materials entering and leaving a plant or animal cell?
Vastus
Plasma membrane (cell membrane).
Kaart 6
Küsimus
Cell structure: ribosome → primary function
Vastus
Builds proteins by translating messenger RNA into amino acid chains.
Kaart 7
Küsimus
Which region inside a eukaryotic cell, but outside its nucleus, suspends organelles and hosts many cellular reactions?
Vastus
Cytoplasm.
Kaart 8
Küsimus
Cell structure: rough endoplasmic reticulum → primary function
Vastus
Folds and begins processing proteins made for secretion, membranes, or certain organelles.
Kaart 9
Küsimus
Which membrane-enclosed organelle stores most of a plant or animal cell's DNA in chromosomes?
Vastus
Nucleus.
Kaart 10
Küsimus
Cell structure: smooth endoplasmic reticulum → primary function
Vastus
Synthesizes lipids for membranes and other cell needs.
Kaart 11
Küsimus
Which structure inside the nucleus produces ribosomal RNA and assembles ribosomal subunits?
Vastus
Nucleolus.
Kaart 12
Küsimus
Cell structure: Golgi apparatus → primary function
Vastus
Modifies, sorts, and packages proteins and lipids for delivery to their destinations.
Kaart 13
Küsimus
Which cellular structure translates messenger RNA into an amino acid chain?
Vastus
Ribosome.
Kaart 14
Küsimus
Cell structure: transport vesicle → primary function
Vastus
Carries proteins and lipids between membrane-bound compartments or to the plasma membrane.
Kaart 15
Küsimus
Which ribosome-studded membrane network folds and begins processing proteins for secretion or membranes?
Vastus
Rough endoplasmic reticulum (rough ER).
Kaart 16
Küsimus
Cell structure: mitochondrion → primary function
Vastus
Generates ATP by converting energy from food molecules in many eukaryotic cells.
Kaart 17
Küsimus
Which ribosome-free endoplasmic reticulum network synthesizes lipids for membranes and other cell needs?
Vastus
Smooth endoplasmic reticulum (smooth ER).
Kaart 18
Küsimus
Cell structure: lysosome → primary function
Vastus
Breaks down and recycles macromolecules and worn cell parts with acidic enzymes, especially in animal cells.
Kaart 19
Küsimus
Which eukaryotic organelle modifies, sorts, and packages proteins and lipids for delivery?
Vastus
Golgi apparatus.
Kaart 20
Küsimus
Cell structure: peroxisome → primary function
Vastus
Breaks down fatty acids through oxidation and uses catalase to remove the resulting hydrogen peroxide.
Kaart 21
Küsimus
Which small membrane-bound carrier moves protein or lipid cargo between cell compartments?
Vastus
Transport vesicle.
Kaart 22
Küsimus
Cell structure: cytoskeleton → primary function
Vastus
Supports cell shape and organizes movement of the cell and its internal components.
Kaart 23
Küsimus
Which organelle generates ATP by converting energy from food molecules in many plant and animal cells?
Vastus
Mitochondrion.
Kaart 24
Küsimus
Cell structure: microtubule → primary function
Vastus
Forms rigid cytoskeletal tracks for organelle transport and helps build the mitotic spindle.
Kaart 25
Küsimus
Which acidic, enzyme-filled organelle breaks down and recycles macromolecules and worn parts in many animal cells?
Vastus
Lysosome.
Kaart 26
Küsimus
Cell structure: microfilament (actin filament) → primary function
Vastus
Drives cell-surface shape changes and contraction through thin actin-based fibers.
Kaart 27
Küsimus
Which eukaryotic organelle oxidizes fatty acids and uses catalase to break down hydrogen peroxide?
Vastus
Peroxisome.
Kaart 28
Küsimus
Cell structure: intermediate filament → primary function
Vastus
Provides tensile strength that helps many animal cells withstand mechanical stress.
Kaart 29
Küsimus
Which network of protein filaments supports cell shape and organizes cell and organelle movement?
Vastus
Cytoskeleton.
Kaart 30
Küsimus
Cell structure: centrosome → primary function
Vastus
Organizes microtubules in most animal cells, including those used to form the mitotic spindle.
Kaart 31
Küsimus
Which rigid, hollow cytoskeletal filament serves as a track for organelle transport and helps form the mitotic spindle?
Vastus
Microtubule.
Kaart 32
Küsimus
Cell structure: centriole → primary function
Vastus
Can become a basal body that anchors and organizes a cilium or flagellum in many animal cells.
Kaart 33
Küsimus
Which thin actin-based cytoskeletal filament drives cell-surface shape changes and contraction?
Vastus
Microfilament (actin filament).
Kaart 34
Küsimus
Cell structure: cilium → primary function
Vastus
Moves fluid or mucus across the surfaces of many animal tissues when motile.
Kaart 35
Küsimus
Which rope-like cytoskeletal filament gives many animal cells tensile strength against mechanical stress?
Vastus
Intermediate filament.
Kaart 36
Küsimus
Cell structure: flagellum → primary function
Vastus
Propels a eukaryotic cell through fluid, as in a sperm cell.
Kaart 37
Küsimus
Which microtubule-organizing center in most animal cells helps arrange the mitotic spindle?
Vastus
Centrosome.
Kaart 38
Küsimus
Cell structure: cell wall → primary function
Vastus
Provides rigid external support and resists internal turgor pressure in plant cells.
Kaart 39
Küsimus
Which cylindrical microtubule structure can become the basal body that anchors a cilium or flagellum?
Vastus
Centriole.
Kaart 40
Küsimus
Cell structure: chloroplast → primary function
Vastus
Carries out photosynthesis in photosynthetic plant cells, converting light energy into chemical energy stored in sugars.
Kaart 41
Küsimus
Which short, often numerous eukaryotic surface projection beats to move fluid or mucus across many animal tissues?
Vastus
Cilium.
Kaart 42
Küsimus
Cell structure: central vacuole → primary function
Vastus
Stores water and dissolved substances and helps maintain turgor pressure in many mature plant cells.
Kaart 43
Küsimus
Which long eukaryotic surface projection usually occurs one or a few per cell and propels the whole cell through fluid?
Vastus
Flagellum.
Kaart 44
Küsimus
Cell structure: plasmodesma → primary function
Vastus
Forms a channel through plant cell walls for direct transport and signaling between adjacent cells.
Kaart 45
Küsimus
Which rigid layer outside a plant cell's plasma membrane supports the cell and resists turgor pressure?
Vastus
Cell wall.
Kaart 46
Küsimus
Which organelle converts light energy into chemical energy during photosynthesis in photosynthetic plant cells?
Vastus
Chloroplast.
Kaart 47
Küsimus
Which large organelle in many mature plant cells stores water and dissolved substances while supporting turgor pressure?
Vastus
Central vacuole.
Kaart 48
Küsimus
Which channel through a plant cell wall allows materials and signals to pass directly between adjacent cells?
Vastus
Plasmodesma.
48 kaarti
Cell Organelle Flashcards: 24 Structures & Functions in Both Directions
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