Question

1. Please provide correct solution. Thank you.

Acid rain is a serious environmental problem. A sample of rainwater collected in the Sierra Mountains had an H+ concentration of 0.1 mmol/L. The pH of this sample was 0 1 3 4 100 Rank the elements carbon (C), hydrogen (H), oxygen (O), and phosphorus (P) in decreasing order number of covalent bonds they usually form. C > P > N > O >H P > O > C > N > H P > C > N > O >H P > C > O > N > H P > C > O > H >N Which of the following functional groups contains the most oxidized carbon? Methyl Aldehyde Amino Sutfhydryl Hydroxyl Polypeptides have a(n) and a(n) end. start stop +;- 5';3' N terminus; C terminus A; Z The shape of a folded protein is often determined by disulfide bridges the sequence of its amino acids whether the peptide bonds have alpha or beta linkages the number of peptide bonds the ammo-acid side-chain-pairing rules A molecule with the formula C15H30O10 is a hydrocarbon lipid protein carbohydrate nucleic acid You look at the label on a container of shortening and see the words "hydrogenated vegetable oil." What is the result of the hydrogenation process? The oil now has a lower melting point The oil is now solid at room temperature There are more 'kinks' in the fatty acid chains The oil is now a derivative carbohydrate The fatty acid is now a triglyceride If cells are grown in a medium containing radioactive 15N, which of these molecules will be labeled? fatty acids nucleic acids proteins cellulose both B) and C)

Answer 1