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You plan to compare two different diets that are used to feed tadpoles raised in a lab. One diet is meat-based fish food. The other diet is the traditional diet of boiled lettuce. You want to know if the meat-based diet will be associated with an increase in the average overall weight of the tadpoles. In the experiment you keep all other factors such as temperature, pH, tadpole density per pan, and amount of food constant (controlled variables). The only thing that is different is the type of food between the two groups. Based on the information provided, what is the dependent variable?

The envelope of a virus is derived from the host’s 

A controlled experiment is one that is repeated many times to make sure the results are accurate.

Soaps are disinfectants.

Which protists are associated with red tides?

Match the pathogenic protist to the most relevant mechanism of transmission.

Which genus is the causative agent for malaria?

The protein subunits that surround the nucleic acid of a virus are known as which of the following?

Compared to an acidic solution at pH 5, a basic solution at pH 8 has _____.

A patient presents with a molar tooth that lost a filling several weeks ago. The tooth has become somewhat sensitive.  The dentist is unsure of the prognosis for this tooth and decides to place a sedative intermediate restoration. What type of dental cement is most likely to be placed to soothe this sensitive tooth?