Chapter 20 Flashcards
Which of the following is used as the energy-reserve for animals?
A) starch
B) glycogen
C) cellulose
D) fructose
Glycogen
Which of the following is used for energy storage in plants?
A) glucose units
B) maltose units
C) lactose units
D) fructose units
Glucose Units
Which of the following is NOT a characteristic of monosaccharides?
A) colorless
B) crystalline solids
C) insoluble in water
D) they are polar
Insoluble in water
Which of the following are the simplest of the classified carbohydrates?
A) monosaccharides
B) disaccharides
C) oligosaccharides
D) polysaccharides
Monosaccharides
Which of the following is NOT one of the functions of carbohydrates?
A) Carbohydrates act as chemical storehouses.
B) Carbohydrates are components of supportive structures in plants.
C) Carbohydrates are components of connective tissues in animals.
D) Carbohydrates are essential components of nucleic acids.
E) All of these are functions of carbohydrates.
All of these are functions of carbohydrates
Which of the following are the most abundant biological compounds in the plant world?
A) alcohols
B) vitamins
C) carbohydrates
D) proteins
Carbohydrates
Which of the following statements is true of hyaluronic acid?
A) It is an oligosaccharide.
B) It has a molecular weight between 102 and 103 g/mol.
C) It contains 100 to 200 repeating units.
D) It is a common ingredient in lotions and cosmetics.
Common ingredient in cosmetics
Which of the following statements is true of heparin?
A) It is an oligosaccharide.
B) It has a molecular weight between 1,000 and 2,000 g/mol.
C) It is a basic polysaccharide.
D) It shows anticoagulant activity.
Shows anticoagulant activity
Which of the following is used for energy storage in plants?
A) starch
B) glycogen
C) cellulose
D) fructose
Starch
Which of the following is the sweetest carbohydrate among the given carbohydrates?
A) fructose
B) glucose
C) maltose
D) sucrose
Fructose
