Help with biopolymer questions? 1. TrueFalse (1 point each, 6 points total) True

Question

Help with biopolymer questions?

1. TrueFalse (1 point each, 6 points total) True or False A macromolecule is a long chain (and or large) molecule synthesized via True or False | The glass transition temperature ) must be higher than the application temperature in order for the polymer to show the rubbery behavior. True or False All types of starch are polymers of glucose. True or False In free radical polymerization, there are three steps including (1) chain initiation, (2) chain propagation, and (3) chain termination True or False Peptides and proteins are polymers ofamino acids. True or False Polyesters, polyamides, as well as polyolefina (e.g., polypropylene and polyethylene), are typically synthesized by step (erowth) polymerization. 2. Multiple choices - Write the best answer (one answer for each question) in the space provided (1 point each, 8 points total) 1. What is the general order of different average molecular weights for polvmers? A. MAs B. MA-Mw D. Either "a or "c --. Which of the following is NOT a synthetic biopolymer? A. Polyglycolic acid B. Cellulose D. Poly(lactic acid co glycolic acid) 3. Which of the following statements is NOT true for poluacin acid (PLA)? A. PLA can be generally classitied as povacia. B. PLA is not only biocompatible but also biodegradable.

Explanation / Answer

2.

1. The correct option is C.

2. Cellulose is not a synthetic biopolymer, because it is found in the nature.

3. The wrong statement is (A) PLA can be generally classified as polyacid. PLA is not a polyacid, but rather a polyester.

4. A biopolymer can be made synthetically. Hence, the wrong statement is (A) Naturally occurring/available.

5. The correct option is (D) all of the above.

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