- 1(current)
Q. No.Why is cellulose so difficult for most animals to digest?
| 1. | they don’t have the proper enzyme to break the bonds between subunits |
| 2. | cellulose is made up of chitin, which is indigestible |
| 3. | the bonds holding cellulose subunits together are extremely strong, stronger than in any other macromolecule |
| 4. | there are many hydrogen bonds holding the subunits together |
Subtopic: Carbohydrates: Introduction | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
84%
Level 1: 80%+
Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a-e) make it useful as a storage material?
(i). easily translocated
(ii). chemically non-reactive
(iii). easily digested by animals
(iv). osmotically inactive
(v). synthesized during photosynthesis
The useful properties are:
| 1. | (i), (ii) and (v) | 2. | (i) and (v) |
| 3. | (ii) and (iii) | 4. | (ii) and (iv) |
Subtopic: Carbohydrates: Introduction | Carbohydrates: Starch & Glycogen |
73%
Level 2: 60%+
- 1(current)
Q. No.
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