BackA chemist, during the course of an analysis, runs across a chemical composed of carbon, hydrogen, and oxygen in the proportion 1:2:1 and having a six-sided molecular shape. It is probably:
a. A pentose
b. An amino acid
c. A fatty acid
d. A monosaccharide
e. A nucleic acid
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
The main storage form of glucose in the human body is starch.
Animal cells store energy in the form of _________, and plant cells store energy in the form of ___________.
A triglyceride consists of:
a. Glycerol plus three fatty acids
b. A sugar-phosphate backbone to which two amino groups are attached
c. Two to several hexoses
d. Amino acids that have been thoroughly saturated with hydrogen
How many moles of aspirin, C₉H₈O₄, are in a bottle containing 450 g by weight? (Note: The approximate atomic weights of its atoms are C = 12, H = 1, and O = 16.)
Sarah has a lower than normal amount of body fat. She tends to be chilly except on very hot days. Lauren has a higher than normal amount of body fat and tends to feel overheated most of the time. Explain the relative sensitivity to environmental temperature of these two women on the basis of information you have been given in the Organic Compounds section of this chapter.