Biomolecules and Characteristics of Life

What are the four main types of biomolecules?

• carbohydrates, lipids, proteins, and nucleic acids

• starch, cholesterol, collagen, and DNA

• enzymes, hormones, antibodies, and neurotransmitters

• sugars, fats, amino acids, and vitamins

Which biomolecule is the main source of energy for living organisms?

• nucleic acids

• lipids

• proteins

• carbohydrates

What is the function of carbohydrates in living organisms?

• Primary source of energy

• Transport of oxygen in the blood

• Regulation of gene expression

• Structural component of cell walls

What are the building blocks of proteins?

• carbohydrates

• lipids

• amino acids

• nucleic acids

What is the function of lipids in living organisms?

• Lipids help in the transportation of oxygen in living organisms.

• Lipids play a role in the synthesis of proteins in living organisms.

• Lipids are responsible for maintaining the pH balance in living organisms.

• Lipids serve as a source of energy, insulation, and protection for organs in living organisms.

What are the characteristics of life?

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and mutation.

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and development.

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and evolution.

• Organization, metabolism, growth, adaptation, response to stimuli, reproduction, and homeostasis.

What is the role of nucleic acids in living organisms?

• Nucleic acids store and transmit genetic information.

• Nucleic acids provide energy for cellular processes.

• Nucleic acids regulate the body's metabolism.

• Nucleic acids are responsible for maintaining cell structure.

What is the difference between DNA and RNA?

• DNA is single-stranded while RNA is double-stranded.

• DNA is double-stranded while RNA is single-stranded.

• DNA and RNA have the same structure.

• DNA and RNA are both double-stranded.

What is the function of enzymes in living organisms?

• Enzymes act as catalysts in living organisms.

• Enzymes are involved in the reproduction of living organisms.

• Enzymes help in the transport of nutrients in living organisms.

• Enzymes are responsible for energy production in living organisms.

How do biomolecules contribute to the structure and function of cells?

• Biomolecules only provide energy to cells.

• Biomolecules are only involved in communication between cells.

• Biomolecules serve as building blocks, provide energy, and facilitate communication within cells.

• Biomolecules have no role in the structure and function of cells.