The Human Body in Health and Illness:
Chapter 3 Exam
What is the study of cellular structure and function? - Answer- Cytology.
The ____ is the structural and functional unit of all living matter. - Answer- Cell.
The cell is encased by a _______. - Answer- Cell membrane.
Cell membrane is also called a what? - Answer- Plasma membrane.
What does the cell membrane do? - Answer- Seperates intracellular material form
extracellular material.
What are the functions of the cell membrane? - 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? - Answer- True.
What makes up the cell membrane? - Answer- Phospholipids and protein and a small
amount of carbohydrates.
What do the protein molecules in the cell membrane do? - 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? - 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. - Answer- The nucleus and the
cytoplasm.
What is the nucleus? - Answer- The control center of the cell.
The nucleus is filled with a fliud substance called ______. - Answer- Nucleoplasm.
DNA containing structures are called what? - Answer- Chromosomes.
What is cytoplasm? - Answer- The gel-like substance found inside the cell, but outside
the nucleus.
What does the cytoplasm contain? - Answer- Cytosol and organelles.
What is the mitochondria? - Answer- Tiny, slipper-shaped organelles.
Chapter 3 Exam
What is the study of cellular structure and function? - Answer- Cytology.
The ____ is the structural and functional unit of all living matter. - Answer- Cell.
The cell is encased by a _______. - Answer- Cell membrane.
Cell membrane is also called a what? - Answer- Plasma membrane.
What does the cell membrane do? - Answer- Seperates intracellular material form
extracellular material.
What are the functions of the cell membrane? - 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? - Answer- True.
What makes up the cell membrane? - Answer- Phospholipids and protein and a small
amount of carbohydrates.
What do the protein molecules in the cell membrane do? - 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? - 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. - Answer- The nucleus and the
cytoplasm.
What is the nucleus? - Answer- The control center of the cell.
The nucleus is filled with a fliud substance called ______. - Answer- Nucleoplasm.
DNA containing structures are called what? - Answer- Chromosomes.
What is cytoplasm? - Answer- The gel-like substance found inside the cell, but outside
the nucleus.
What does the cytoplasm contain? - Answer- Cytosol and organelles.
What is the mitochondria? - Answer- Tiny, slipper-shaped organelles.
