Given chemical formula is the amino acid

НS-CH₂ - CH - COOH:

|

NH₂

a) cisteine

b) lisine

c) valine

d) glycine

e) arginine

207. Into composition of nucleic acids enter:

a) nitrous base, ribose or deoxyribose, phosphoric acid

b) nitrous base, gexose, phosphoric acid

c) nitrous base,pentose, sulfuric acid

d) nitrous base, fructose, phosphoric acid

e) nitrous base, gesose, sulfuric acid

208.Composition dezoxiribonucleic acids (DNA) include:

a) of the nitrous basis, deoxyriboses, phosphoric acid

b) of the nitrous basis, phosphoric acid

c) of the nitrous basis, dezoxiribose,sulfuric acid

d) of the nitrous basis, ribose, sulfuric acid

e) of the nitrous basis, pentose, nitric acid

210.Composition ribonucleic acids (RNA) include:

a) nitrous base, riboses, phosphoric acid

b) nitrous base,dezoxiribose, phosphoric acid

c) nitrous base, ribose, sulfuric acid

d) nitrous base, dezoxiribose , phosphoric acid

e) nitrous base(foundation), dezoxiribose , sulfuric acid

211.Composition DNA include the nitrous bases:

a) adenine, guanine,citozine, thymine

b) adenin, guanin, citozin, uracil

c) adenin, guanin, citozin, piridin

d) adenin, guanin, purin, timin

e) adenin , guanin, citozin,pirimidin

212.To nitrogen bases do not pertain:

a) deoxyribose

b) guanine

c) adenine

d) uracil

e) thymine

213. Into composition of DNA contain:

a) adenine, guanine,citozine, thymine

b) adenine , guanine, uracil, thymine

c) timin, uracil, citozin, adenin

d) guanin, citozin, uracil, adenin

e) adenin, citozin, valin, leycin

214.Classification of carbohydrates by carbocyl group:

a) aldose, ketose

b) triose, pentose, gecsose

c) DNA, RNA

d) adenin, uracil, guanin

e) saturated, unsaturated

215.Composition RNA include:

a) adenine, guanine, citosine, uracil

b) adenin, citozin, timin, guanin

c) guanin, citozin, valin, holin

d) guanin, citozin, valin, riboza

e) uracil, guanin, glicin, adenin

216. When a few (around three to six) monosaccharides are joined together, it is called:

a) oligosaccharide

b) monose

c) monosaccharide

D) glucose

E) disaccharide

217.Composition RNA do not enter:

a) deoxyribose

b) ribose

c) uracil

d) adenin

e) citosine

218.Composition DNA do not enter:

a) ribose

b) guanine

c) dezoxiribose

d) adenin

E) citosine

219.Meaning of word “saccharide”from greek:

a) sugar

b) fat

c) oil

d) enzyme

e) peptide

220.Monosaccharide have a two ring and linear forms:

a) glucose

b) cellulose

c) starch

d) fructose

e) maltose

221. A disaccharide composed of one galactose molecule and one glucose molecule, occurs naturally in mammalian milk:

a) lactose

b) cellulose

c) starch

d) fructose

e) maltose

222.Substances are composed of longer chains of monosaccharide units bound together by glycosidic bonds.:

a) oligosaccharides and polysaccharides

b) polypeptides

c) disaccharides

d) fatty acids

e) proteins

223. Is used as a storage polysaccharide in plants:

a) starch

b) glycogen

c) lactose

d) cellulose

E) sucrose

224. 'Animal starch' is the:

a) glycogen

b) fructose

c) lactose

d) cellulose

E) sucrose

225. C_m(H₂O)_n is the formula of:

a) carbohydrates

b) lipids

c) proteins

d) vitamins

e) ferments

226.By hydrolysis starch is split on :

a) maltose, glucose

b) fructose, cellulose

c) sucrose, ribose

d) sucrose, mannose

e) maltose, sucrose

227. Monosaccharides, disaccharides and polysaccharides are the:

a) carbohydrates

b) lipids

c) proteins

d) vitamins

e) ferments

Date: 2016-01-03; view: 990