| R |
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noun - The eighteenth letter of the Appendix:Roman script, English alphabet, preceded by Q and followed by S.
abbreviation - (context, US politics) Republican
- (film certification) restricted
- reverse
- right (as opposed to left)
- (context, handbells) ring
- (context, baseball, cricket) The statistic reporting the number of runs scored by a player
- Thursday
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| recognize |
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verb (recogniz, ing)
- (transitive) To match something or someone which one currently perceives to a memory of some previous encounter with the same entity.
- (transitive) Acknowledge the existence or legality of something.; treat as worthy of consideration or valid.
- (transitive) Acknowledge or consider as something.
- (transitive) Realize or discover the nature of something; apprehend quality in; realize or admit that.
- Give an award.
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| restriction enzyme |
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noun - (genetics) An endonuclease that catalyzes double-strand cleavage of DNA containing a specific sequence.
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| retinol |
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noun
- A fat-soluble carotenoid vitamin (vitamin A), present in fish oils and green vegetables, essential to normal vision and to bone development.
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| reverse transcriptase |
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noun
- A polymerase that catalyzes the formation of DNA from RNA; found in retroviruses.
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| rhamnose |
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noun
- a methyl-pentose, 6-deoxy-L-mannose, which occurs in the leaves and flowers of poison ivy and is a constituent of many plant glycosides
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| riboflavin |
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noun
- (vitamin) Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals.
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| ribonuclease |
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noun
- (enzyme) Any of a group of enzymes which catalyzes the hydrolysis of ribonucleic acid.
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| ribonucleic acid |
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noun (abbreviation RNA)
- A derivative of DNA having ribose in place of deoxyribose, and uracil in place of thymine; its primary function is in the transcription of genetic material and subsequent synthesis of protein.
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| ribose |
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noun
- (carbohydrate) A naturally occurring pentose sugar, which is a component of the nucleosides and nucleotides that comprise the nucleic acid biopolymer, RNA. It is also found in riboflavin.
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