Which of the following is a natural polymer? Select one: O a. Rubber b. Polyester c....
Which of the following is a naturally occurring polymer? Select one: O a. nylon Io O b. perspex C. polyurethane d. silk o e. terylene Which of the following amino acids have sidechains which can form hydrophobic pockets where London Dispersion Forces between sidechains predominate? Select one: a. Aspartic acid O b. Serine C. Tyrosine d. Isoleucine o e. Glutamine
Which of the following is a naturally occurring polymer? Select one: a. nylon b. perspex c. polyurethane d. silk e. terylene
Which of the following is a synthetic polymer? Select one: a. cellulose O b. polyisoprene C. DNA d. poly(hexamethyleneadipamide) e. enzymes
Question 11 1 pts Which of the following is not a natural polymer? cellulose protein silk starch nylon
Which pair of compounds would react to produce a polymer? Select one: a. a diacid and an alcohol O b. an acid and a diol O c. a diacid and a diol d. an alcohol and an acid ... e. a diacid and a diketone
Which of the following is not a flow variable? Select one: O a. investment O b. output O c. all of the above O d. saving O e. the money supply
Which of the following statements is TRUE about the rates of unemployment? Select one: O a. Cyclical unemployment can never exceed structural unemployment b. Frictional unemployment can never exceed structural unemployment O c. Cyclical unemployment can never exceed the natural rate of unemployment O d. Structural unemployment can never exceed seasonal unemployment O e. Frictional unemployment can never exceed the natural rate of unemployment
Which of the following mRNA sequences could have code for the polymer N-MIKE-C (one letter code) Select one: a. 5'-AUGAUCAAGUGA-3 b. 5-AUGAUUAAAGAAUGA-3' c. 5-AUGAUUAAGGAC-3 d. 5-AGUAAGAAAUAAGAU-3' ОО e. 5-AUUAAGGAAUGA-3
polymer physics
yes
otherwise?
1. To determine the Tg of polymers, which method is NOT applicable? (a) dilatometry, (b) OM, (e) DSC. (d) HDT. o d ) T0 sho dai n0 nar onom (o) itivo bos ed do o lT ed 2. To determine the Tm of polymers, which method is NOT applicable? (a) POM, (b) WAXD, (c) SEM, (d) DSC. MGT0 2lsbom tods bne M001 To ulubom oY ed mlog 3. To determine the crystallinity, which method is NOT...
B Which functional group is found in the following molecule? Select one: a. ether O b. aldehyde O c. ketone d. ester o e carboxylic acid