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Week 7
week 1-6
Question | Answer |
---|---|
What is homeostasis? | the maintenance of relatively constant internal conditions despite changes in either the internal or the external environment |
List the in order from least complex to most complex the levels of protein structure. | Primary, Secondary, Tertiary, Quaternary |
Define Osmosis. | Osmosis is the movement of water through a semipermeable mem-brane. This allows water to pass through the membrane, but blocks the passage of at least one solute. |
what happens when a cell is placed in a hypertonic solution? | The cell will lose water through osmosis and shrivel up. If the cells shrivels up excessively its at risk for damage and possible cell death. |
This molecule is a polymer, and takes on the shape of a double helix spiraled. What molecule is it? | DNA |
An atypical and unusually thick scar that may develop in the lower layer of the skin is called what? | a Keloid. |
what are the two major types of body membranes that exist? | Epithelieal Membranes, composed of epithelial tissue and Connecctive tissue membranes, composed of various types of connective tissue(not epithelial cells) |
What are the main functions of bone? | Support serving as a framework, protection. Hard bones act as a shield for vital organs. Movement with the assisttance of joints, Mineral storage ( major place for calcium storage),and Hematopoiesis or blood cell formation. |
What sections of the skeleton make up the Axial skeleton? | The skull, Ribcage , and vertebral column all the way to the Coccyx. |
What sections of the skeleton make up the appendicular skeleton | The clavivle, and manubrium of scapula, coxal bone and all four appendages |