Exam 2: The Chemistry of Biology

A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution.If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?

Jim needs to prepare one liter of a 4% NaCl solution. How much NaCl should he weigh out?

Which of the following would have glycosidic bonds?

Atoms that gain or lose electrons become charged particles called _____.

Which of the following examples are NOT hydrophobic?

The concentration of a solution expresses the amount of solvent present.

Polar molecules have more reactivity compared to nonpolar molecules.

The neutrons of an atom are

Isotopes are atoms of the same element that differ in their

Which of the following carbohydrates is found in dairy?

What do H₂O, NaCl, CO₂, and HCl all have in common?

Which term does not belong in this list?

The type of chemical bond linking amino acids together is a(n)

What part of a phospholipid forms hydrophobic tails?

Which of the following represents an exchange reaction?

In _____ reproduction, offspring arise from the division of a single parent cell into two identical progeny cells.

Electrons that participate in chemical bonding are typically located closest to the nucleus.

Compare and contrast the chemical and functional characteristics of DNA and RNA molecules.

Reactions involving electron release are called ______ reactions.

How many times more acidic is a solution with a pH of 3 than a solution with a pH of 6?