pormit each) st. Which of the following carbohydrates is extracted from the stem
ID: 141170 • Letter: P
Question
pormit each) st. Which of the following carbohydrates is extracted from the stem of a sugarcane plant? a. glucose b. sucrose c. fructose d. maltose e. starch 52. A fatty acid is acidic due to its a. Hydrocarbon chain b. Glycerol c. Carboxyl group d. Double bonds between carbons 53. Sucrose is a accharide composed of glucose and fructose, therefore the molecular com formula of sucrose is a CoH120 c C121124012 d. C12H22011 54. Which type of following sugars is most likely to be found in a bottle of soda? a. Sucrose b. Fructose c. Maltose d. Lactose 55. Glucose molecules can be converted to fructose molecules by a. Amylase b. Cellulase c. Isomerase d. SucraseExplanation / Answer
ANSWER 51)
b) Sucrose
Explanation- Though sucrose is also being manufactured in labs these days, it is naturally found in the stems of sugarcane and sugarbeet plant. It is a disaccharise and is broken down into glucose and fructose in the bodies of humans and other mammals.
ANSWER 52)
c) Carboxyl group
Explanation- In a fatty acid, a straight chain of carbon acid is present, with H atom at one end and a COOH (Carboxyl) group at another end. It is due to this COOH group, that a fatty acid has acidic behaviour as under right conditions a H+ ion can be relseased.
ANSWER 53)
d) C12H22O11
Explanation- Also generally called cane sugar, Sucrose is a natural disaccharide obtained from sugarcane plants and is used to produced the common table sugar. 1 molecule of sucrose has 12 C atoms, 22 H atoms and 11 O atoms.
ANSWER 54)
b) Fructose
Explanation- Initially in sodas, sucrose was the preferred sugar, but in 1980s, many soda brands in the US, started using High Fructose Corn Syrup instead, though some brands still use sucrose.Though found naturally in fruits, fructose is not the natural sugar source that enters the human body quiet often, thus only the liver is able to metabolize it.
ANSWER 55)
c) Isomerase
Explanation- Isomerase is the catalysts that concerts glucose molecule into fructose, whereas a fructose molecule is converted into glucose in the liver.
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