Aldehydes, like glutaraldehyde, are effective disinfectants because they denature proteins and damage nucleic acids.  

Which choice would be MOST effective in sterilizing a liquid solution for a vaccine? The vaccine consists of heat labile proteins we want to preserve. (HINT: “labile” is the opposite of “stable.”)

Payment of office rent represents a decrease in

In an ________ solution, red blood cells ________. 

Which of the following is the MOST RESISTANT to a physical or chemical means of control?

The appearance of the Isthmus of Panama separated the Pacific and Atlantic oceans and led to:

Mules and hinnies are both the results of hybridizing between a horse and a donkey. A mule is a result of a mating between:

Sexual Reproduction can speed the spread of adaptations in a population because:

Cuckoos (birds that live in Britain and mainland Europe) lay their eggs:

In polar bears one gene, APOB, encodes a protein that binds to cholesterol. This gene has experienced strong selection because of polar bears: