Exam 2: The Chemistry of the Cell

Macromolecules are synthesized by a series of steps.Monomers are systematically added to the growing polymer.From what you have learned about the synthesis of macromolecules,can you suggest why people who are trying to lose weight are asked to drink plenty of water?

Self-assembly is limited by

In order to facilitate polymerization,monomers must be ________.

What branch of chemistry deals specifically with living systems?

A hypothetical automobile has 100 parts that are to be assembled by four workers.During the car's assembly,each worker constructs 25 parts individually,and then the four resulting components are assembled together.The manner in which the car was assembled is much like which cellular strategy?

Describe the ways in which cell membranes are semipermeable.

Why do polar substances such as NaCl dissolve so readily in water?

Which of the following is an informational macromolecule?

The term amphipathic refers to those molecules that are

________ carbon atoms allow for the formation of ________,which are mirror images of each other.

The hierarchical nature of cellular structure is accurately illustrated in which of the following lists of substances (from smallest to largest)?

Which of the following is not a structural polysaccharide?

Which of the following is true of an asymmetric carbon atom?

Which of the following sequences correctly lists the hierarchical nature of cellular structures,from smallest to largest?

A selectively ________ membrane is one that allows some molecules to pass through but not others.

________ aid in the assembly of some biomolecules.

Which of the following was not considered part of the "alphabet of biochemistry" by George Wald?