final exam

biology is the study of

• rocks

• all nonliving things

• animals only

• all living things

the proper levels of organization include the following

• cells - tissues - organs - organ systems - organisms

• tissues - organs - organ systems - cells

• cells - tissues - organ systems - organs - organisms

• tissues - cells - organs - organ systems - organisms

the maintenance of constant internal conditions in an organism is

• homeostasis

• adaptations

• internal environment

• external environment

at which stage of the scientific method are scientists most likely to consider the data and conclusions of other scientists to propose new experiments?

• observing

• testing hypothesis

• analyzing data

• forming hypotheses

if I was using a compound light microscope with an objective lens of 4x, what is my total magnification?

• 4

• 40

• 400

• 1

the smallest basic unit of matter is the

• molecule

• atom

• compound

• cell

the four main types of carbon based molecules in organisms are carbohydrates, lipids, nucleic acids, and

• starches

• fatty acids

• monosaccharides

• proteins

which subatomic particles are found in the nucleus?

• protons and electrons

• protons only

• protons and neutrons

• electrons and neutrons

what are the four main groups of macromolecules

• starches, cholesterol, fatty acids, amino acids

• sugars, cellulose, triglycerides, monosaccharides

• polysaccharides, sugars, oils, polymers

• carbohydrates, lipids, proteins, nucleic acids

what are building blocks of proteins

• fatty acids

• enzymes

• glucose

• amino acids