Question 11 1 pts Which of the following is not a natural polymer? cellulose protein silk...
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 natural polymer? Select one: O a. Rubber b. Polyester c. Silk d. Rubber & polyester e. Rubber & silk
Which of the following is a synthetic polymer? cellulose polyisoprene DNA poly(hexamethyleneadipamide) enzymes
Which of the following is a synthetic polymer? Select one: a. cellulose O b. polyisoprene C. DNA d. poly(hexamethyleneadipamide) e. enzymes
Question 10 2 pts If you fill up a cellulose bag with a solution of sucrose and table salt; then immerse the cellulose bag into a beaker filled with iodine diluted in water. After 1 hour, you observe the following: the solution in the beaker has become black; the solution inside the cellulose bag is also black. What is your conclusion? lodine turned black because of the presence of proteins Starch leaked out of the bag and iodine diffused into...
D Question 6 1 pts Which one of the following does not contain glucose as its monomeric unit? Chitin starch cellulose O glycogen OOOO
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
Question 24 1.67 pts Which of the following is NOT a function of the strong hydrochloric acid present in the gastric juice? Time Atte 11 The activation of pepsin Denature proteins 24 Kill bacteria in food Breakdown starch Ald protein digestion « Previous Next
Which of the following is a mixture of two types of polymers? ● 1) cellulose 2) starch 。3) amylose 4) glycogen ed 5) chitin F3 F5 F6 F7 F8 F9 F10 F11 8868 5 8
Question 8 1 pts Of the following protein synthesizing RNA molecules, which codes for a protein? OrRNA mRNA TRNA OsiRNA Question 9 1 pts Prokaryotic mRNA is commonly processed through splicing by RNase enzymes. immediate translation during transcription. addition of 7-methylguanylate cap. O removal of exons.