Crossword-Solution: PURINE
Anagrams
| Word | Anagrams | |
|---|---|---|
| PURINE | anagram | PUNIER, PUREIN, REINUP, UNRIPE |
We have 2 clues for the answer “PURINE”
| Clue | Answers |
|---|---|
| Compound whence caffeine is derived | 1 answer |
| colourless crystalline solid that can be prepared from uric acid | 1 answer |
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Kind of apple
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Hint 1 meaning
One who, or that which, eats.
Hint 2 anagram
TAERE
Hint 3 another clue
greedy person
9 +1
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Sentences with PURINE (5)
These are (_a_) the _plant amines_, which are simple open-chain amines; (_b_) the _alkaloids_, which are comparatively simple closed-ring amines, containing only one nitrogen atom in any single ring; and (_c_) the _purine bases_, which are complex compounds containing a nucleus with four carbon atoms and four nitrogen atoms arranged alternately to form a double-ring group.
All of the naturally occurring compounds of this group may be regarded as derived from purine, either by the addition of oxygen atoms, or by the replacing of one or more of its hydrogen atoms with a methyl (CH_{3}) group or an amino (NH_{2}) group.
The following structural formula represents the arrangement of the purine nucleus, the numbers being used to designate the nitrogen or carbon atoms to which the additional atoms, or groups, are attached in the more complex compounds of the group.
With this understanding, reference to the numbered nucleus formula above will make plain the structure of all of the purine bases which are included in the following list: Hypoxanthine, C_{5}H_{4}N_{4}O, = 6-monoxypurine.
The purine bases, other than the three mentioned in the preceding paragraph, are undoubtedly intermediate products in protein metabolism.
Quotes with PURINE (2)
During normal cell metabolism, RNA is constantly being made and broken down. The purine and pyrimidine residues are reused by several salvage pathways to make more genetic material. Purine is salvaged in the form of the corresponding nucleotide, whereas pyrimidine is salvaged as the nucleoside.
Analysis of the composition of samples of DNA from a great variety of sources and by many investigators revealed the remarkable fact that the purine content always equals the pyrimidine content.
Where this answer appears
Appears in: NYT.
Used 1 time in crossword archives (1992).