5 Written questions
5 Matching questions
- What is the cell membrane made up of and what is its function?
- What is diffusion and how does it work?
- What are the major parts of a cell?
- Name some ways the body uses homeostasis?
- What is a hormone and what does it do?
- a secretion of an endocrine gland that has effects on target organs
(ex: Insulin - enables cells to take in glucose and lowers glucose levels. Growth hormone - increases protein synthesis and cell division)
- b - cell membrane
- cytoplasm and organelles
- c movement of molecules from an area of greater concentration to an area of lesser concentration along the concentration gradient. Very slow process. FOR MOLECULES
(Example: exchange of gases in lungs or body tissues)
- d outer boundary of a cell made up of phospholipids, cholesterol and proteins.
its main job is to protect the cell and acts as a barrier for communication and assists in transport
- e Positive and negative feedback mechanisms
5 Multiple choice questions
- bodys response to stimuli reverses the stimulus in effect turning it off for a while and keeps the body within normal range
- the response to stimuli does not stop but rather keeps the sequence of events going. (requires an external brake)
EX: cervical stretching during childbirth
- Nucleus is within the cytoplasm and has a nuclear membrane with nucleoli and chromosomes of the cell. Nucleolus is where DNA and all genetic info for human traits lies.
- process of cell division that results in the formation of gametes which are egg and sperm cells.
(used for creating human life)
- 1. The dorsal cavity which contains the spinal and cranial cavity
2. The ventral cavity which contains the thoracic, abdominal and pelvic cavities
5 True/False questions
Describe an ionic bond? → Involves loss of electron of one atom and the gaining of an electron on another atom (ex: NaCl or salt)
What is isotonic? → A solution with the same salt concentration as in cells
What is active transport and how does it work? → Requires energy of mechanical pressure. Water and dissolved materials are FORCED through a membrane from an area of higher PRESSURE to an area of lower PRESSURE
(Example: formation of tissue fluid and the first step in the formation of urine)
Point out cell organelles and name →
What is the formula for glucose? → C6H12O6