This shows grade level based on the word's complexity.
cytosine
[ sahy-tuh-seen, -zeen, -sin ]
/ ˈsaɪ təˌsin, -ˌzin, -sɪn /
Save This Word!
This shows grade level based on the word's complexity.
noun Biochemistry.
a pyrimidine base, C4H5N3O, that is one of the fundamental components of DNA and RNA, in which it forms a base pair with guanine. Symbol: C
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Compare cytidine, cytidine monophosphate.
Words nearby cytosine
cytophagy, cytopharynx, cytophotometer, cytoplasm, cytoplast, cytosine, cytosine arabinoside, cytoskeleton, cytosol, cytosome, cytost
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cytosine in a sentence
In DNA, these bases are adenine, cytosine, guanine and thymine.
Researchers have also seen hints of uracil, but cytosine and thymine remained elusive, until now.
All of the bases in DNA and RNA have now been found in meteorites|Liz Kruesi|April 26, 2022|Science News
British Dictionary definitions for cytosine
cytosine
/ (ˈsaɪtəsɪn) /
noun
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
Scientific definitions for cytosine
cytosine
[ sī′tə-sēn′ ]
A pyrimidine base that is a component of DNA and RNA, forming a base pair with guanine. Chemical formula: C4H5N3O.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.