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