Exam 2: Chemistry Comes Alive

Match the following: -Blood.

Buffers resist abrupt and large changes in the pH of body fluids by releasing or binding ions.

Which of the following is chemically inert (unreactive)?

Glycogen,the storage form of glucose,is primarily stored in skeletal muscle and liver cells.

The single most abundant protein in the body is ________.

Forming glycogen as energy storage in the liver is an example of ________.

How can phospholipids form a film when mixed in water?

Covalent bonds are generally less stable than ionic bonds.

What is a dipole?

Match the following particles to the correct description: -Neutral subatomic particle.

The pH of body fluids must remain fairly constant for the body to maintain homeostasis.

The numbers listed represent the number of electrons in the first,second,and third energy levels,respectively.On this basis,which of the following is an unstable or reactive atom?

Figure 2.1 Using Figure 2.1, match the following: -Tertiary (protein)structure.

What is a chain of more than 50 amino acids called?

Match the following: -Energy that travels in waves.Part of the electromagnetic spectrum.

An acid with a pH of 6 has ________ hydrogen ions than pure water.

Match the following: -Water.

Figure 2.1 Using Figure 2.1, match the following: -Polysaccharide.

Omega-3 fatty acids appear to decrease the risk of heart disease.

The fact that no chemical bonding occurs between the components of a mixture is the chief difference between mixtures and compounds.