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.
حول هذه الرزمة
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.
بطاقات هذه الرزمة
البطاقة ١
السؤال
Cell structure: plasma membrane → primary function
الإجابة
Selectively controls which materials enter and leave the cell.
البطاقة ٢
السؤال
Cell structure: cytoplasm → primary function
الإجابة
Provides the fluid-filled region where organelles are suspended and many cellular reactions occur.
البطاقة ٣
السؤال
Cell structure: nucleus → primary function
الإجابة
Stores most of a eukaryotic cell's DNA in chromosomes.
البطاقة ٤
السؤال
Cell structure: nucleolus → primary function
الإجابة
Produces ribosomal RNA and assembles ribosomal subunits inside the nucleus.
البطاقة ٥
السؤال
Which cell boundary selectively controls materials entering and leaving a plant or animal cell?
الإجابة
Plasma membrane (cell membrane).
البطاقة ٦
السؤال
Cell structure: ribosome → primary function
الإجابة
Builds proteins by translating messenger RNA into amino acid chains.
البطاقة ٧
السؤال
Which region inside a eukaryotic cell, but outside its nucleus, suspends organelles and hosts many cellular reactions?
الإجابة
Cytoplasm.
البطاقة ٨
السؤال
Cell structure: rough endoplasmic reticulum → primary function
الإجابة
Folds and begins processing proteins made for secretion, membranes, or certain organelles.
البطاقة ٩
السؤال
Which membrane-enclosed organelle stores most of a plant or animal cell's DNA in chromosomes?
الإجابة
Nucleus.
البطاقة ١٠
السؤال
Cell structure: smooth endoplasmic reticulum → primary function
الإجابة
Synthesizes lipids for membranes and other cell needs.
البطاقة ١١
السؤال
Which structure inside the nucleus produces ribosomal RNA and assembles ribosomal subunits?
الإجابة
Nucleolus.
البطاقة ١٢
السؤال
Cell structure: Golgi apparatus → primary function
الإجابة
Modifies, sorts, and packages proteins and lipids for delivery to their destinations.
البطاقة ١٣
السؤال
Which cellular structure translates messenger RNA into an amino acid chain?
الإجابة
Ribosome.
البطاقة ١٤
السؤال
Cell structure: transport vesicle → primary function
الإجابة
Carries proteins and lipids between membrane-bound compartments or to the plasma membrane.
البطاقة ١٥
السؤال
Which ribosome-studded membrane network folds and begins processing proteins for secretion or membranes?
الإجابة
Rough endoplasmic reticulum (rough ER).
البطاقة ١٦
السؤال
Cell structure: mitochondrion → primary function
الإجابة
Generates ATP by converting energy from food molecules in many eukaryotic cells.
البطاقة ١٧
السؤال
Which ribosome-free endoplasmic reticulum network synthesizes lipids for membranes and other cell needs?
الإجابة
Smooth endoplasmic reticulum (smooth ER).
البطاقة ١٨
السؤال
Cell structure: lysosome → primary function
الإجابة
Breaks down and recycles macromolecules and worn cell parts with acidic enzymes, especially in animal cells.
البطاقة ١٩
السؤال
Which eukaryotic organelle modifies, sorts, and packages proteins and lipids for delivery?
الإجابة
Golgi apparatus.
البطاقة ٢٠
السؤال
Cell structure: peroxisome → primary function
الإجابة
Breaks down fatty acids through oxidation and uses catalase to remove the resulting hydrogen peroxide.
البطاقة ٢١
السؤال
Which small membrane-bound carrier moves protein or lipid cargo between cell compartments?
الإجابة
Transport vesicle.
البطاقة ٢٢
السؤال
Cell structure: cytoskeleton → primary function
الإجابة
Supports cell shape and organizes movement of the cell and its internal components.
البطاقة ٢٣
السؤال
Which organelle generates ATP by converting energy from food molecules in many plant and animal cells?
الإجابة
Mitochondrion.
البطاقة ٢٤
السؤال
Cell structure: microtubule → primary function
الإجابة
Forms rigid cytoskeletal tracks for organelle transport and helps build the mitotic spindle.
البطاقة ٢٥
السؤال
Which acidic, enzyme-filled organelle breaks down and recycles macromolecules and worn parts in many animal cells?
الإجابة
Lysosome.
البطاقة ٢٦
السؤال
Cell structure: microfilament (actin filament) → primary function
الإجابة
Drives cell-surface shape changes and contraction through thin actin-based fibers.
البطاقة ٢٧
السؤال
Which eukaryotic organelle oxidizes fatty acids and uses catalase to break down hydrogen peroxide?
الإجابة
Peroxisome.
البطاقة ٢٨
السؤال
Cell structure: intermediate filament → primary function
الإجابة
Provides tensile strength that helps many animal cells withstand mechanical stress.
البطاقة ٢٩
السؤال
Which network of protein filaments supports cell shape and organizes cell and organelle movement?
الإجابة
Cytoskeleton.
البطاقة ٣٠
السؤال
Cell structure: centrosome → primary function
الإجابة
Organizes microtubules in most animal cells, including those used to form the mitotic spindle.
البطاقة ٣١
السؤال
Which rigid, hollow cytoskeletal filament serves as a track for organelle transport and helps form the mitotic spindle?
الإجابة
Microtubule.
البطاقة ٣٢
السؤال
Cell structure: centriole → primary function
الإجابة
Can become a basal body that anchors and organizes a cilium or flagellum in many animal cells.
البطاقة ٣٣
السؤال
Which thin actin-based cytoskeletal filament drives cell-surface shape changes and contraction?
الإجابة
Microfilament (actin filament).
البطاقة ٣٤
السؤال
Cell structure: cilium → primary function
الإجابة
Moves fluid or mucus across the surfaces of many animal tissues when motile.
البطاقة ٣٥
السؤال
Which rope-like cytoskeletal filament gives many animal cells tensile strength against mechanical stress?
الإجابة
Intermediate filament.
البطاقة ٣٦
السؤال
Cell structure: flagellum → primary function
الإجابة
Propels a eukaryotic cell through fluid, as in a sperm cell.
البطاقة ٣٧
السؤال
Which microtubule-organizing center in most animal cells helps arrange the mitotic spindle?
الإجابة
Centrosome.
البطاقة ٣٨
السؤال
Cell structure: cell wall → primary function
الإجابة
Provides rigid external support and resists internal turgor pressure in plant cells.
البطاقة ٣٩
السؤال
Which cylindrical microtubule structure can become the basal body that anchors a cilium or flagellum?
الإجابة
Centriole.
البطاقة ٤٠
السؤال
Cell structure: chloroplast → primary function
الإجابة
Carries out photosynthesis in photosynthetic plant cells, converting light energy into chemical energy stored in sugars.
البطاقة ٤١
السؤال
Which short, often numerous eukaryotic surface projection beats to move fluid or mucus across many animal tissues?
الإجابة
Cilium.
البطاقة ٤٢
السؤال
Cell structure: central vacuole → primary function
الإجابة
Stores water and dissolved substances and helps maintain turgor pressure in many mature plant cells.
البطاقة ٤٣
السؤال
Which long eukaryotic surface projection usually occurs one or a few per cell and propels the whole cell through fluid?
الإجابة
Flagellum.
البطاقة ٤٤
السؤال
Cell structure: plasmodesma → primary function
الإجابة
Forms a channel through plant cell walls for direct transport and signaling between adjacent cells.
البطاقة ٤٥
السؤال
Which rigid layer outside a plant cell's plasma membrane supports the cell and resists turgor pressure?
الإجابة
Cell wall.
البطاقة ٤٦
السؤال
Which organelle converts light energy into chemical energy during photosynthesis in photosynthetic plant cells?
الإجابة
Chloroplast.
البطاقة ٤٧
السؤال
Which large organelle in many mature plant cells stores water and dissolved substances while supporting turgor pressure?
الإجابة
Central vacuole.
البطاقة ٤٨
السؤال
Which channel through a plant cell wall allows materials and signals to pass directly between adjacent cells?
الإجابة
Plasmodesma.
٤٨ بطاقة
Cell Organelle Flashcards: 24 Structures & Functions in Both Directions
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