18 Questions
Which disaccharide is formed by the condensation of glucose and fructose?
Sucrose
What type of bond joins alpha glucose molecules to form glycogen?
1,4 glycosidic bond
Which polysaccharide is the main energy storage molecule in animals?
Glycogen
What type of bond joins beta glucose molecules to form cellulose?
1,4 glycosidic bond
Which starch component has a large number of side branches, allowing for quick energy release?
Amylopectin
Benedict’s reagent is commonly used to test for the presence of which type of sugar?
Monosaccharides
What type of glycosidic bonds join glucose molecules in amylose?
1, 4 glycosidic bonds
Which component of starch can be broken down simultaneously by many enzymes to release energy?
Amylopectin
What type of glucose molecules compose cellulose in plant cell walls?
Beta glucose
What test can be used to detect the presence of reducing sugars?
Benedict’s reagent test
What is the function of cellulose in plant cells to counteract osmotic pressure?
Exerts inward pressure to stop water influx
Which polysaccharide is coiled and compact, storing a lot of energy in a small space?
Amylose
What type of bond is formed in a condensation reaction between monosaccharides to form polysaccharides?
Glycosidic bond
Which of the following is a storage polysaccharide in plants?
Amylopectin
Which type of glucose is used as an immediate energy source by plants?
Alpha glucose
What substance can be used to detect the presence of reducing sugars like glucose in a solution?
Benedict's reagent
Which component of plant cells provides structural support and is made up mostly of cellulose?
Cell walls
What is the main difference between amylose and amylopectin?
Amylose is a linear chain while amylopectin is branched
Learn about starch, the main energy storage molecule in plants, and its two types of polysaccharides: amylose and amylopectin. Discover how amylose forms an unbranched chain of glucose molecules, while amylopectin is branched and contains multiple side branches for enzyme action.
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