In an alkaline medium, glycine predominantly exists in a
Options
(a) cation (b) anion (c) zwitter ion (d) covalent form
Correct Answer:
anion
Explanation:
In alkaline medium (high pH) amino acids exists as […]
The letter ‘D’ in D-glucose signifies
Options
(a) configuration at all chiral carbons (b) dextrorotatory (c) that it is a monosaccharide (d) configuration at a particular chiral carbon
Correct Answer:
configuration at a […]
An example for a saturated fatty acid, present in nature is
Options
(a) oleic acid (b) linoleic acid (c) linolenic acid (d) palmitic acid
Correct Answer:
palmitic acid
Explanation:
Oleic acid – C₁₇H₃₃COOH, […]
An organic compound gives Molisch’s test as well as Benedict’s test.But it does not gives Suliwanoff’s test.Most probably,it is
Options
(a) sucrose (b) protein (c) fructose (d) maltose
Correct Answer:
maltose
Explanation:
No […]
A sugar that is not a disaccharide among the following is
Options
(a) Galactose (b) Lactose (c) Maltose (d) Sucrose
Correct Answer:
Galactose
Explanation:
Among the give carbohydrates sucrose, lactose and maltose and […]
Hydrolytic reaction of fats, with caustic soda, is known as
Options
(a) saponification (b) acetylation (c) esterfication (d) carboxylation
Correct Answer:
saponification
Explanation:
Hydrolytic reaction of facts with caustic soda is known as […]
Starting with three different amino acid molecules,how many different tripeptide molecules are formed
Options
(a) 8 (b) 12 (c) 6 (d) 9
Correct Answer:
6
Explanation:
No explanation available. Be the first to […]
In nucleic acid the sequence is
Options
(a) base-phosphate-sugar (b) sugar-base-phosphate (c) base-sugar-phosphate (d) phosphate-base-sugar
Correct Answer:
base-sugar-phosphate
Explanation:
In nucleic acids the sequence is base-sugar-phosphate. Nucleoside phosphates are called nucleotides. These may […]
An example of amino acid containing benzene ring is
Options
(a) tyrosine (b) serine (c) alanine (d) lysine
Correct Answer:
tyrosine
Explanation:
No explanation available. Be the first to write the explanation for […]
Proteins gives purple colour when tested with
Options
(a) ninhydrin reagent (b) biuret (c) Benedict’s reagent (d) iodine solution
Correct Answer:
ninhydrin reagent
Explanation:
when protein is mixed with a dilute solution of ninhydrin, […]
2017 Copyright Doctor Dreams Training Academy