eukaryotes
eukaryotes — 名詞
1. Living things such as animals, plants, and fungi whose cells have a clearly defi
真核生物
細胞內有細胞核與胞器的生物
Living things such as animals, plants, and fungi whose cells have a clearly defined nucleus and other inner structures separated by a membrane; this biological group includes all life forms other than bacteria and archaea.
In biology class, Meera learned that humans, insects, and mushrooms are all eukaryotes.
在生物課上,Meera 學到人類、昆蟲和蘑菇都是真核生物。
definitional context: listing members of the group
Unlike bacteria, eukaryotes store their genetic material inside a protective nucleus.
與細菌不同,真核生物將遺傳物質儲存在具保護作用的細胞核內。
contrastive structure: unlike + prokaryote group
Eukaryotes are thought to have first appeared on Earth about two billion years ago.
科學家認為真核生物大約在二十億年前首次出現在地球上。
All multicellular organisms including pine trees and polar bears belong to the group called eukaryotes.
包括松樹和北極熊在內的所有多細胞生物,都屬於稱為真核生物的類群。
Dr. Roya described eukaryotes as organisms whose cells contain a clearly defined nucleus.
Roya 博士將真核生物描述為細胞中包含明確細胞核的有機體。
- prokaryotes
Organisms without a membrane-bound nucleus, such as bacteria and archaea; the two groups together cover all cellular life on Earth.
用法筆記
Often contrasted with prokaryotes (bacteria and archaea), which lack a membrane-bound nucleus. This is the defining distinction taught in introductory biology.