PORTAGE LEARNING CHEM 210 MODULE 1_8 and FINAL EXAM WITH VERIFIED ANSWERS

Question 1 True or False: According to the Module, a compound with a molecular mass of 3,000 g/mol is considered a macromolecule. FALSE 3 / 3 pts Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. FALSE

Question 1 3 / 3 pts In RNA, guanine always pairs with ________. Thymine Guanine Cytosine Uracil Both A and B CYSTOSINE Question 2 3 / 3 pts DNA is built from which of the following? Nucleosides Genes Purines Nucleotide Codons NUCLEOTIDE Question 3 3 / 3 pts The Z-form helix of DNA is...

Question 1 3 / 3 pts True or False: The majority of reactions of the urea cycle occur in the cytosol. TRUE Question 2 3 / 3 pts True or False: NADH yields 1.5 ATP molecules after donating electrons and hydrogen atoms to the electron transfer chain (ETC). FALSE Question 3 3 / 3 pts True or False...

3 / 3 pts Glycerol contains how many alcohol functional groups? 1 2 3 4 None of the above 3 Question 2 3 / 3 pts Which of the following are derived from or made from fatty acids? Cholesterol Carotenoids Phosphoglycerides Both A and B Both A and C PHOSPHOGLYCERIDES

Question 1 3 / 3 pts True or False: The amino acids serine and threonine both contain sulfur atoms. FALSE Question 2 3 / 3 pts True or False: The following secondary structure shown below is an example of a betaturn. FALSE Question 3 3 / 3 pts True or False. The side chain of phenylalanine is b...

Question 1 3 / 3 pts Which of the following monosaccharides is a ketose? Correct! Dihydroxyacetone Galactose Glucose Glyceraldehyde Idose Dihydroxyacetone Question 2 3 / 3 pts When two carbohydrates are epimers: One is a pyranose, the other a furanose One is an aldose, the other a ketose ...

Question 1 3 / 3 pts Scientific Calculator The pH of a solution of 8.9 x 10-12 M NaOH is: A. 8.9 B. 8.9 x 10-12 C ..................................................................................................................................................... 1 D .............................