Deason Unit 1 Chemistry of Life

Multiple Choice

Why is understanding the chemistry of life important for studying biology?

• Because it helps explain the structure and function of living organisms

• Because it focuses only on chemical reactions in non-living things

• Because it is unrelated to biological processes

• Because it only deals with laboratory experiments

Multiple Select

Which of the following are emergent properties of water that contribute to life on Earth?

• Cohesion and adhesion

• Temperature moderation

• Expansion upon freezing

• All of the above

Multiple Choice

Which property of water allows it to moderate temperature within living organisms?

• High specific heat

• Cohesion

• Expansion upon freezing

• Versatile solvent

Multiple Choice

Which elements are most prevalent in building biological molecules such as carbohydrates, proteins, lipids, and nucleic acids?

• Carbon, hydrogen, and oxygen

• Sulfur, phosphorus, and calcium

• Iron, magnesium, and sodium

• Potassium, chlorine, and zinc

Multiple Select

Which of the following are considered life functions in living organisms?

• Growth

• Respiration

• Photosynthesis

• Transport

Multiple Choice

What property makes carbon especially important in the formation of organic compounds?

• It is highly electronegative

• It is tetravalent

• It forms ionic bonds easily

• It is always found in rings

Multiple Choice

Which functional group is characteristic of alcohols and can form hydrogen bonds with water?

• Hydroxyl

• Carbonyl

• Amino

• Phosphate

Multiple Select

Which of the following are considered biological macromolecules?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

Multiple Choice

Which of the following elements is found in all four major biological macromolecules?

• Carbon

• Phosphorus

• Sulfur

• Calcium

Multiple Choice

Which type of biological macromolecule is NOT considered a polymer?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

Multiple Choice

Which of the following best describes the primary function of carbohydrates in living organisms?

• They store genetic information

• They provide energy and serve as building material

• They catalyze biochemical reactions

• They transport oxygen in the blood

Multiple Select

Which of the following statements about complex carbohydrates and monosaccharides are correct?

• Complex carbohydrates are polymers composed of monosaccharide monomers

• Monosaccharides are held together by covalent bonds

• Complex carbohydrates are always linear in structure

• Monosaccharides can form both linear and ring structures

Multiple Choice

Which structural carbohydrate is found in the exoskeleton of arthropods and is also used to make surgical thread?

• Cellulose

• Chitin

• Starch

• Glycogen

Open Ended

Reflecting on the topics listed in the table of contents, which area of the chemistry of life do you find most intriguing or would like to learn more about?

Multiple Choice

Which of the following topics is NOT covered in Unit I: Chemistry of Life?

• Structure of water and hydrogen bonding

• Cellular respiration

• Lipids

• Proteins