Exam 3: Biological Molecules: the Carbon Compounds of Life

A hydrogen bond between the amino acid side chains ( R groups) of two different polypeptide chains in a multichain protein would be considered part of the ____ structure of the protein.

Suppose that an equal amount of each polysaccharide was placed in a landfill. Which polysaccharide should last the longest before it is decomposed?

Figure 3.15 The image in the accompanying figure is an example of a(n) ____.

A fatty acid has a(n)____ group at the end of a hydrocarbon chain.

After a long period of gradual evolution of protein domains, a period of explosive change (the "big bang") in protein domain complexity occurred at roughly the same time as the three taxonomic domains were undergoing rapid diversification. In which taxonomic domain was this diversification most extensive?

Chaperonins assist with ____.

The sugar in DNA is comprised of ____ carbons.

Amino acids are linked together by ____ bonds.

Unsaturated fats are considered healthier than saturated fats in the human diet.

Which functional group is polar and a key component of alcohols?

Figure 3.4 The molecule in the accompanying figure is glyceraldehyde, an example of a ____ sugar.

What are protocells and why are they considered important to the evolution of life?

If three molecules of a fatty acid having the formula C₁₆H₂₂O₂are each joined to a molecule of glycerol (C₃H₈O₃) by a dehydration synthesis reaction, what will be the formula of the resulting neutral fat molecule?

Monosaccharides and disaccharides are types of ____.

Proteins are polymers of ____.

Figure 3.9 The molecule in the accompanying figure is ____, and has ____.

Figure 3.2 The disaccharide in the accompanying figure is ____.

The linkage commonly found between subunits in a chain of monosaccharides is called a ____ bond.

Testosterone has important regulatory functions in humans and many other animals. Molecules with regulatory functions like testosterone are called ____.

Which two nucleotides also serve as transporters of chemical energy?