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guanosine

American  
[gwah-nuh-seen, -sin] / ˈgwɑ nəˌsin, -sɪn /

noun

Biochemistry.
  1. a ribonucleoside component of ribonucleic acid, comprising ribose and guanine.


guanosine British  
/ ˈɡwɑːnəˌsiːn, -ˌziːn /

noun

  1. biochem a nucleoside consisting of guanine and ribose

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of guanosine

First recorded in 1905–10; guan(ine) + -ose 2 + -ine 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When a hormone is not bound to the receptor, the G-protein is inactive and is bound to guanosine diphosphate, or GDP.

From Textbooks • Jun. 9, 2022

When a hormone binds to the receptor, the G-protein is activated by binding guanosine triphosphate, or GTP, in place of GDP.

From Textbooks • Jun. 9, 2022

Among other roles, LRRK2 modifies a suite of proteins called Rab guanosine triphosphates, which act like air traffic controllers, orchestrating the flow of proteins in and out of cells.

From Science Magazine • Jun. 7, 2022

Studies of the gene-edited mice showed their TLR7 protein is activated simply by encountering the molecule guanosine, which is present in the DNA and RNA of healthy human cells, her team reports today.

From Science Magazine • Apr. 27, 2022

How do spermidine, guanosine monophosphate and inosine monophosphate induce responses in macrophages, and why do the three metabolites work only when given together?

From Nature • Mar. 17, 2020