Biology: How Life Works Quiz

What is the basic unit of life?

• atom

• cell

• organism

• molecule

Which subtopic of biology focuses on the structure of cells?

• cell biology

• molecular biology

• genetics

• ecology

What are the building blocks of proteins?

• carbohydrates

• lipids

• nucleic acids

• amino acids

What is the role of nucleic acids in information flow?

• Nucleic acids carry and transmit genetic information.

• Nucleic acids regulate cell division.

• Nucleic acids are involved in protein synthesis.

• Nucleic acids are responsible for energy production.

What is the process by which proteins are synthesized in cells?

• protein formation

• protein breakdown

• protein digestion

• protein synthesis

What is homeostasis?

• The ability of an organism or system to maintain a stable external environment despite external changes.

• The ability of an organism or system to maintain a stable internal environment despite external changes.

• The ability of an organism or system to maintain a stable external environment despite internal changes.

• The ability of an organism or system to adapt to external changes.

Which subtopic of biology studies the molecules of life?

• Biochemistry

• Anatomy

• Ecology

• Genetics

What is the function of proteins in living organisms?

• Proteins are only found in plants, not in animals.

• Proteins are responsible for storing genetic information.

• Proteins play a role in maintaining the structure of cells.

• Proteins have various functions in living organisms.

What are the two types of nucleic acids?

• Proteins and lipids

• DNA and RNA

• Carbohydrates and vitamins

• Enzymes and hormones

How do cells maintain a stable internal environment?

• Diffusion

• Osmosis

• Active transport

• Homeostasis