Forwarded from MO (⅃ᓄؤᓄ)
Molishc’s test: The test is positive with
Anonymous Quiz
18%
soluble carbohydrate
8%
insoluble carbohydrate.
74%
Both
Forwarded from MO (⅃ᓄؤᓄ)
Molishc’s test: It consists of treating the compounds with α-naphthol and concentrated sulphuric acid which gives_____color
Anonymous Quiz
5%
Blue
3%
Yellow
91%
Purple
1%
Green
Forwarded from MO (⅃ᓄؤᓄ)
2. Fehling’s test: To the solution of test sample with ___ quantity of
Fehling’s solutions A and B is added.
Fehling’s solutions A and B is added.
Anonymous Quiz
95%
equal
5%
not equal
Forwarded from MO (⅃ᓄؤᓄ)
2. Fehling’s test: After heating, brick ____ precipitate is obtained.
Anonymous Quiz
3%
Blue
92%
Red
4%
Purple
1%
Green
Forwarded from MO (⅃ᓄؤᓄ)
Glycosides are compounds that yield one or more sugars among the products of hydrolysis.
Anonymous Quiz
97%
T
3%
F
Forwarded from MO (⅃ᓄؤᓄ)
The most frequently occurring sugar is
Anonymous Quiz
11%
rhamnose digitoxose
5%
beta-D- maltose
82%
beta-D- glucose
3%
beta-D- lactose
Forwarded from MO (⅃ᓄؤᓄ)
Chemically, the glycosides are acetals. The non-sugar component is known as the aglycone, the sugar component is called the glycone.
Anonymous Quiz
97%
T
3%
F
Forwarded from MO (⅃ᓄؤᓄ)
Forwarded from MO (⅃ᓄؤᓄ)
ould be noted that emulsin and the most other natural enzymes hydrolyze only the beta
varieties.
varieties.
Anonymous Quiz
88%
T
13%
F
Forwarded from MO (⅃ᓄؤᓄ)
Glycoside role in the plants
Anonymous Quiz
1%
Regulatory role
1%
Sanitary functions.
1%
Productive.
97%
All of the above
Forwarded from MO (⅃ᓄؤᓄ)
سؤال مهم
Based on linkage between glycon and aglycon portion:عددٍ واشرح
Based on linkage between glycon and aglycon portion:عددٍ واشرح
👍2
Forwarded from MO (⅃ᓄؤᓄ)
All glycosides are hydrolyzed into sugar and another organic compound by boiling with mineral acids, however , in most cases glycosides hydrolyzed easily by the same plants enzymes in the same tissue but different cells from that contain glycosides
Anonymous Quiz
92%
T
8%
F
Forwarded from MO (⅃ᓄؤᓄ)
Glycoside contains sugar but still the physical, chemical and therapeutic activity is based on ____ portion
Anonymous Quiz
24%
glycon
76%
aglycon
Forwarded from MO (⅃ᓄؤᓄ)
Sugar facilitates the absorption of the glycoside .helping it to reach the site of action
Anonymous Quiz
92%
T
8%
F
Forwarded from MO (⅃ᓄؤᓄ)
Glycosides are crystalline, amorphous substance which are soluble in water, and dilute alcohol but insoluble in the
Anonymous Quiz
19%
CHCl3
6%
ether
74%
Both
❤3
Forwarded from MO (⅃ᓄؤᓄ)
Glycosides are _____hydrolyzed by mineral acids, water and enzyme. They show optical activity normally they are levorotatory
Anonymous Quiz
92%
easily
8%
not easily
Forwarded from MO (⅃ᓄؤᓄ)
Glycoside _______reduce fehling’s solution until they are hydrolyzed
Anonymous Quiz
73%
can’t
27%
can
🎉1
Forwarded from MO (⅃ᓄؤᓄ)
The drug containing glycoside is finely powdered and subjected to successive extraction in a soxhlet apparatus with alcohol or suitable solvent.
Anonymous Quiz
96%
T
4%
F