Matthew noticed that his house plants were wilting badly. Which cell structure had most likely contracted?

A modified form of cellulose found in the exoskeletons of insects and crustaceans is known as __________.

The proposal that one type of organism can change gradually into another type over a long period of time is known as __________.

The covalent bonds connecting monomer units in sugars can be formed by the removal of a water molecule. This reaction is referred to as __________.

Organelles that breakdown hydrogen peroxide into water and oxygen are __________.

The functional group pictured below is acidic.

Relatively small organic molecules with a central carbon atom which is bonded to a carboxyl group, an amino group, a carbon containing group, and a hydrogen atom are called __________.

The DNA sequence capable of pairing with 5′ CGATTAGT 3’is __________.

The most important factor that limits the size of a cell is the

A dental student wants to test if fluoride is an effective additive against tooth decay. The student studies tooth decay in a population of people who live in neighborhoods supplied with fluoridated water. This student would like to ask whether access to fluoridated water prevents tooth decay. What would be an effective control group to ask this question?