Question 1

Which glycosidic linkage is found in cellulose, making it resistant to most animal digestion?

Accepted Answer

$$\beta(1\rightarrow4)$$

Question 2

Cellulose is primarily found in which part of a plant?

Accepted Answer

Plant cell wall

Question 3

Why can't most animals digest cellulose?

Accepted Answer

They lack the enzyme to hydrolyze $$\beta(1\rightarrow4)$$ linkages.

Question 4

Which statement about cellulose is FALSE?

Accepted Answer

It is highly branched.

Question 5

Which of the following best describes the function of cellulose in plants?

Accepted Answer

Structural support

Question 6

Which monosaccharide is the repeating unit in cellulose?

Accepted Answer

Glucose

Question 7

Cellulose most closely resembles which other polysaccharide in terms of its monomer?

Accepted Answer

Amylose

Question 8

Which enzyme is required to hydrolyze the $$\beta(1\rightarrow4)$$ linkages in cellulose?

Accepted Answer

Cellulase

Question 9

A scientist is studying a polysaccharide that is unbranched and provides structural support in plants. Which polysaccharide is she most likely studying?

Accepted Answer

Cellulose

Question 10

Which of the following is a correct description of the glycosidic linkage in cellulose?

Accepted Answer

It is a $$\beta(1\rightarrow4)$$ linkage between glucose units.

Question 11

Which of the following organisms can digest cellulose due to the presence of cellulase?

Accepted Answer

Cows (with symbiotic bacteria)

Question 12

Which property of cellulose makes it ideal for its function in plant cell walls?

Accepted Answer

Its linear, unbranched structure

Question 13

Which of the following statements is TRUE regarding the structure of cellulose?

Accepted Answer

It is composed of $$\beta-D-$$glucose units.

Question 14

Which of the following is NOT a function of cellulose?

Accepted Answer

Storing energy in animal cells

Question 15

Which of the following best explains why cellulose is insoluble in water?

Accepted Answer

Its linear chains form extensive hydrogen bonds.

Cellulose: Structure, Properties, and Biological Function

Guida di studio - Domande di pratica

Study guide - Flashcard