BIOCHEM LAB - Nucleic Acids Flashcards Preview

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Flashcards in BIOCHEM LAB - Nucleic Acids Deck (169)
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1

monomer unit of nucleic acids

nucleotides

2

NA carries a __ charge on the oxygen of the phosphate component

-

3

not nutrient biomolecules because ---

they can be biosynthesized

4

NA are branched or unbranched?

unbranched

5

a 5-carbon monosaccharide in ring form as heterocyclic hemiacetal derived from furan

PENTOSE

6

has a deoxyribose sigar with OH group on 3' position of sigar ring

DNA

7

has a ribose sugar with OH group at 2' and 3' positions of sugar ring

RNA

8

No NA, NO ___

Organism

9

blueprint of an organism is encoded in

NA

10

nitrogen base is attached to the 1' carbon of sugar through a what type of bond

glycosidic

11

fused bicyclic base

purine

12

monocyclic base, 6membered rin

pyrimidine

13

purines are attached to sugar by what beta-glycosidic bond

N9 - C1

14

pyrimidines are attached to sugar by what beta-glycosidic bond

N1-C1

15

More susceptible to H hydrolysis due to greater dipositivity of glycosyl bonds

glycosidic bonds to purine

16

IUPAC name of cytosine

2-oxo-4-aminopyrimidine

17

IUPAC name of thymine

5-methyl-2,4-dioxopyrimidine

18

IUPAC name of uracil

2,4-dioxopyrimidine

19

bases that are planar

pyrimidine

20

bases that are very nearly planar with a slight pucker

purine

21

IUPAC name of adenine

6-aminopurine

22

IUPAC name of guanine

2-amino-6-oxopurine

23

most polar base

Guanine

24

least polar base

thymine

25

gives NA their acidic and anionic character

phosphate

26

phosphate is attached to what carbon atom

5' c of the sugar component

27

type of bond between phosphate groups

phosphate anhydride or pyrophosphate bond

28

small proteins containing basic amino acids: lysine and arginine

histones

29

in circular DNA, the type of hydrogen bonding is intra or inter

INTRA

30

forms the solenoid supertstructure

DNA-histone complex

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