The Human Body in Health and Illness; Chapter 3 Accurate Questions with Answers 100% A+ Excel

The Human Body in Health and Illness; Chapter 3 Accurate Questions with Answers 100% A+ Excel What is the study of cellular structure and function? - CORRECT ANSWER-Cytology. The ____ is the structural and functional unit of all living matter. - CORRECT ANSWER-Cell. The cell is encased by a _______. - CORRECT ANSWER-Cell membrane. Cell membrane is also called a what? - CORRECT ANSWER-Plasma membrane. What does the cell membrane do? - CORRECT ANSWER-Seperates intracellular material form extracellular material. What are the functions of the cell membrane? - CORRECT ANSWER-To hold the cell together, and determine what substances are allowed to enter or leave the cell. The cell membrane is semipermeable -- true or false? - CORRECT ANSWER-True. What makes up the cell membrane? - CORRECT ANSWER-Phospholipids and protein and a small amount of carbohydrates. What do the protein molecules in the cell membrane do? - CORRECT ANSWER-Provide structural support for the membrane, act as binding sites for hormones, and create pores through the lipid membrane. How can substances move across the semipermeable membrane? - CORRECT ANSWER-Dissolve in the lipid portion, or cross the membrane by flowing through the pores. Inside the cell is divided into two compartments: 1,2. - CORRECT ANSWER-The nucleus and the cytoplasm. What is the nucleus? - CORRECT ANSWER-The control center of the cell.