Exam 2: Chemistry of Life

The genetic material found in all living things is made of building blocks called

The pH scale measures

Which of the following are composed of the same monomers?

Which of the following is likely to participate in ionic bonding?

In making your morning tea,you drop a sugar cube into some hot water.You stir the mixture but no longer see the sugar cube at the bottom of your mug.Based on your observation of sugar dissolving in hot water,you properly conclude that the sugar is

The element ________ makes up the chemical backbone of most molecules on planet Earth.

Molecules with an uneven distribution of charge are described as ________.

The positively charged subatomic particle is located in the ________.

There are four major classes of macromolecules that are found in living systems and each uses a carbon skeleton as its structural backbone.Why is carbon regularly assembled to make important biological molecules?

In the chemical reaction that forms hydrogen peroxide (H₂O₂),hydrogen and oxygen share electrons creating ________ bonds between the two atoms.

After giving a baby a bath,a new mom applies baby oil to her child's skin.How does the baby oil help the baby's skin to retain moisture throughout the day? Explain the chemical basis of water retention in this example.

MATCHING Using the answer choices below (a through d), match the characteristic with its macromolecule class. -function energy storage and structural support

Which of the following is correct about hydrogen bonds?

Of the following values,which indicates the most basic pH?

Which of the following is an organic compound?

________ molecules are nonpolar molecules that are repelled by water.

In making your morning tea,you drop a sugar cube into the hot water.You stir the mixture but no longer see the sugar cube at the bottom of your mug.In this scenario,the sugar is

The number that represents neutrality on the pH scale is ________.