Bio - Exam 1 - Review

• Which of the following is NOT a property of life?

• • a) Organization

• • b) Energy processing

• • c) Growth and development

• • d) Inorganic structure

• Are viruses considered living organisms?

• • a) Yes

• • b) No

• What is the basic structure of a typical virus?

• • a) DNA or RNA surrounded by a lipid membrane

• • b) Genetic material (DNA or RNA) surrounded by a protein coat

• • c) A single-stranded DNA molecule

• • d) A lipid bilayer with embedded proteins

• Which step of the scientific method involves making an educated guess based on available information?

• • a) Observation

• • b) Hypothesis

• • c) Experiment

• • d) Conclusion

What are the steps of the Scientific Method?

• a) Observation, prediction, replication, conclusion

• b) Hypothesis, experiment, analysis, interpretation

• c) Observation, question, hypothesis, prediction, experiment, analysis, conclusion

• d) Observation, hypothesis, conclusion, theory

• What is the charge of an electron?

• • a) Positive

• • b) Negative

• • c) Neutral

• • d) Variable

• Which element is NOT one of the four most important atoms in living organisms?

• • a) Carbon

• b) Hydrogen

• c) Nitrogen

• • d) Sodium

Which macromolecule is primarily responsible for energy storage in living organisms?

• a) Carbohydrates

• b) Lipids

• c) Proteins

• d) Nucleic acids

• What is the monomer of carbohydrates?

• • a) Fatty acid

• • b) Amino acid

• • c) Monosaccharide (glucose)

• • d) Nucleotide

• What are enzymes known for?

• • a) Increasing the activation energy of chemical reactions.

• • b) Slowing down chemical reactions.

• • c) Lowering the activation energy and speeding up reactions.

• • d) Being consumed during chemical reactions.