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ribonuclease

Upper-Intermediate (B2)

IPA: //ˌraɪboʊˈnjuːkleɪs//

KK: /ˌraɪboʊˈnjuːkleɪs/

noun
Definition

A type of enzyme that helps to break down RNA molecules in the body.


Example

Ribonuclease plays a crucial role in the digestion of RNA in cells.


Conversation
Sloth A
Have you ever heard of ribonuclease?
Sloth B
Yeah, isn't it an enzyme that breaks down RNA?
Sloth A
Exactly! I was reading about how it helps in various biological processes.
Sloth B
That's really interesting! I didn't know it played such an important role.

Synonyms & Antonyms
Synonyms
enzyme
catalyst
biocatalyst
Antonyms
inhibitor
blocker
suppressor
Root Explanation

Ribonuclease is formed from "ribo-" (from ribonucleic acid, meaning related to RNA) and "nuclease" (from "nucleus" meaning kernel or core, and "-ase" indicating an enzyme). The word refers to an enzyme that breaks down ribonucleic acid (RNA).

Memory Tip

Think of 'ribo-' as relating to RNA, and 'nuclease' as an enzyme that acts on the core of nucleic acids. This helps you remember that ribonuclease is an enzyme that breaks down RNA.

Visually Confused Words
nuclease
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