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WorksheetsPROTEINS AND AMINO ACIDS
Total questions: 10
Worksheet time: 5mins
In chromatography, it is usually a high-quality filter paper or an adsorbent.
mobile phase
stationary phase
blank phase
This color is produced upon the reaction of ninhydrin solution with the amino acids in paper chromatography.
Methy red
Bromocresol green
Ruhemann purple
Crystal violet
All are α-amino acids, except:
asparagine
threonine
arginine
proline
It is used to detect presence of guanidino group found in the amino acid arginine.
Biuret test
Sakaguchi test
Ninhydrin test
Millon test
Which among the following amino acids will yield a positive result with Millon's test
tyrosine
arginine
valine
isoleucine
Which among the following tests is considered to be a general test for amino acids?
Sakaguchi test
Hopkins-Cole test
Biuret test
Millon test
This property of amino acids refers to their ability to act as an acid or a base.
zwitterionic
chirality
UV absorptive
amphoteric
High-protein substances such as egg whites and milk are used as antidotes for heavy metal poisoning
because they combine with heavy metals to form insoluble precipitates.
True
False
Which among the following bonds is affected by heavy metals?
disulfide bonds
hydrogen bonds
ionic bonds
Proteins are held in their native conformations by which of the following bonds:
hydrogen bonds
ionic bonds
disulfide bonds
all of the above
