Recognising a cell diagram and writing its labels are separate skills. These sixteen structures connect familiar outlines with names for transport, storage and internal organisation, while leaving the current answer visible for careful reading.
Which names and sets will you practise?
The 16 entries include Rough endoplasmic reticulum, Smooth endoplasmic reticulum, Golgi apparatus, Ribosome, Transport vesicle, Endosome, Lysosome and Peroxisome. Mitochondrion, Centrosome and Centriole lead to Chloroplast, Central vacuole and Amyloplast. Animal-cell, plant-cell and plant-storage models share a vocabulary list, not a claim that all 16 must occur together in one cell.
The collection contains 16 names in 1 set. The examples below are actual entries from each set rather than the complete lists. Open a set link to inspect its full sequence and choose a manageable amount of vocabulary for your first session.
Read the differences before typing
Surface ribosomes distinguish rough from smooth endoplasmic reticulum in the models. A centrosome with its centriole pair remains different from a single centriole. Mitochondrial cristae and chloroplast grana are not interchangeable details. Transport vesicles, endosomes, lysosomes and peroxisomes cannot be conclusively identified in real material by a simple outline or color, so read the depicted contents and trafficking context as well as the complete label.
Read the changing words in Rough endoplasmic reticulum and Smooth endoplasmic reticulum before their shared ending. Compare Centrosome with Centriole as another whole-and-part pair, and copy the term for the actual highlighted scope.
From the first input to a completed round
The current name stays visible beside the picture, so you can read rather than identify an unlabelled object. Look at the complete spelling of Nucleus and check your keyboard before typing. The first input starts the timer; a matching display name or registered alternative advances automatically without Enter.
Edit unfinished text directly in the field. Pressing Enter with an incorrect nonempty answer adds one error and clears that attempt. The result does not count every deleted or replaced letter as a separate error. When a new name appears, read its picture and words instead of repeating the previous answer.
Displayed names and registered alternatives
The complete name displayed in the current language is the most reliable answer. After each arrow below is an example actually accepted for that particular entry. Alternatives vary by name and language: a shortened form working for one prompt does not create a shortening rule for the rest of the set.
Matching normalizes case, spaces and supported punctuation. Latin accents may be omitted, and German ß can be entered as ss. Meaningful words and numbers still need to match. To practise another language, change the page language first and use that page's labels or registered answers instead of assuming an arbitrary translation will work.
- Rough endoplasmic reticulum → Rough ER
- Smooth endoplasmic reticulum → Smooth ER
- Nucleus → Nucleus
Choose a small goal for your second round
Your next goal can be more specific than speed. Choose a name that made you pause, such as Lysosome, read it in full, and retry the same set in the same language. Note whether you used full names or alternatives and whether you changed devices so that the comparison has useful context.
After a completed round, review time, keystrokes per minute, errors and the best record. Best times are stored in this browser separately by topic, set and language. Results are not combined across devices through an account; keep your own dated note of words you reread if you want a longer study record.
Understand what the illustrations cover
This learning draft awaits specialist cell-biology review. Images are conceptual illustrations rather than micrographs, with no common scale or natural-color claim. A crystalline peroxisomal core represents only some cells. Amyloplast denotes a starch-storage plastid rather than a chloroplast. The collection is not a complete map of one cell and provides no definitive identification rule for real organelles.
Use these boundaries to treat the illustrations as aids for reading terminology. A correctly typed name records a vocabulary task, not practical competence in identifying or handling the real subject. When you return to a book or class, check that source's definitions and scope to connect the words with their original context.
Continue with another topic or language
The two topics below offer related vocabulary for another reading session. Keep the familiar input routine while changing the subject. Lists differ in length and word size, so compare completion times between attempts with the same conditions rather than across unrelated games.
This guide and its game are available in Korean, English, Japanese, Simplified Chinese, Traditional Chinese, Spanish and German. Change the language menu to read the instructions and names in that language. The game links below retain your current language choice.