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