Biology S1 Final Review

What are the three subatomic particles that make up atoms?

• neutrons, isotopes, and electrons

• protons, neutrons, and electrons.

• protons, neutrons, and isotopes.

• positives, negatives, and neutrals.

If an atom contains 14 protons and 15 neutrons, its atomic number is

• 14

• 15

• 25

• 29

What type of ion forms when an atom loses electrons?

• negative

• positive

• neutral

• radioactive

When sugar is dissolved in water, sugar is the

• reactant.

• solvent.

• solute.

• solution.

Which of the following is NOT a function of proteins?

• move substances into or out of cells

• help to fight disease

• store and transmit genetic information

• control the rate of reactions

What are enzymes?

• proteins

• they carry genetic information

• they provide energy for the body.

• they help to speed up chemical reactions.

Which of the following organisms are prokaryotes?

• bacteria

• animals

• viruses

• mushrooms

Which term refers to the relatively constant internal physical conditions of an organism?

• osmosis

• cell specialization

• homeostasis

• unicellularity

Photosynthesis uses sunlight to convert water and carbon dioxide into

(Ch8.2)

• oxygen and carbon.

• high-energy sugars and proteins.

• ATP and oxygen.

• oxygen and high-energy sugars.

The reactants of photosynthesis are the

• products of glycolysis.

• products of cellular respiration.

• reactants of cellular respiration.

• reactants of fermentation.