Chapter 10: Chemistry *Hard

The body uses ________ mainly for cell growth and

repair, especially in muscle tissue.

• protein

• base

• nuclear fusion

• half-life

If a substance has a bitter taste and turns red litmus paper blue, then it is most likely a(n) ____________.

• protein

• base

• nuclear fusion

• half-life

Hydrogen nuclei are combined in the Sun to make larger helium nuclei during ____________.

• protein

• base

• nuclear fusion

• half-life

The ___________ of uranium 238 is 4.5 billion years.

• protein

• base

• nuclear fusion

• half-life

Margarine contains a(n) ________ , which is an organic compound that can release more energy than other organic compounds.

• lipid

• acid

• nuclear fission

• synthetic

A solution that has a pH value of 4 is a(n) __________.

• lipid

• acid

• nuclear fission

• synthetic

Nuclear power plants use _____________, where the nuclei of uranium atoms decay to form smaller nuclei.

• lipid

• acid

• nuclear fission

• synthetic

Most plastics are _________, or made by people.

• lipid

• acid

• nuclear fission

• synthetic

If a chemical reaction makes ammonia, then ammonia is a(n) ________________ in the reaction.

• lipid

• acid

• product

• synthetic

During cellular respiration, the human body uses a(n) __________

called glucose to produce energy.

• lipid

• acid

• product

• carbohydrate