Lecture 5A Lespinasse

What is the primary function of cells in living organisms?

• To provide external structure

• To serve as the basic units of living matter

• To store genetic information

• To absorb sunlight

Which of the following statements about cells is TRUE?

• All cells are immobile

• Cells cannot reproduce

• Cells can perform diverse functions

• Cells only exist in one form

What is the main benefit of proper cell function?

• Maintenance of homeostasis

• increase in body size

• Production of toxins

• Accumulation of waste

Which of the following is NOT a requirement for cell function?

• Food

• Oxygen

• Water

• High temperature

Protoplasm is primarily made up of:

• Inorganic materials only

• Organic compounds and inorganic materials

• Water and minerals only

• Proteins exclusively

What percentage of cell content is typically constituted by proteins?

• 5%

• 10%

• 15%

• 25%

Which elements are primarily involved in the formation of proteins?

• Carbon, hydrogen, oxygen, and nitrogen

• Carbon, hydrogen, oxygen, and sulfur

• Carbon, hydrogen, nitrogen, and phosphorus

• Carbon, oxygen, nitrogen, and helium

What is the term for the process of forming proteins from amino acids?

• Protein degradation

• Protein synthesis

• Protein digestion

• Protein absorption

What happens to cells when ionizing radiation damages them beyond repair?

• Cells become more efficient

• Cells continue to function normally

• Cells behave abnormally and die

• Cells regenerate faster

Which of the following compounds is considered organic?

• Water

• Sodium chloride

• Glucose

• Oxygen