Term
| How many different cell types are there in the human body? |
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Definition
| 200-250 different cell types |
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Term
| Most abundant elements in the human body? |
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Definition
| oxygen, carbon, hydrogen, and nitrogen. |
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Term
| What are the four basic types of tissues in the human body? |
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Definition
epithelial (surface covering),
connective (supporting),
muscular (contracting),
nervous (conduction) |
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Term
| what is the normal range for an arterial pH? |
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Definition
|
|
Term
| What is a normal range for glucose levels? |
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Definition
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Term
| What is negative feedback? |
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Definition
| changes occurring away from a desired value are reversed so that activity is toward restoring homeostasis. |
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|
Term
| What is positive feedback? |
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Definition
| changes occurring away from a specific value are continually accelerated. |
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Term
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Definition
| a gradual decrease in the size of a tissue or organ as a result of a diminished size of its cells. |
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Term
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Definition
| the growth of an organ or tissue due to an increase in the size of its cells |
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Term
|
Definition
| stimulated mitotic divisions in cells by increased functional demands, resulting in an increase in tissue or organ size. |
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Term
|
Definition
| abnormal maturation of cells within a tissue resulting in variations in size, shape, and appearance of cells. |
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Term
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Definition
| The transformation of one cell type to another. |
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Term
| What percent of proteins make up the phospholipid bilayer? |
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Definition
|
|
Term
| What percent of lipids make of the phospholipid bilayer? |
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Definition
|
|
Term
| what type of proteins are generally located on the inner surface of the phospholipid bilayer and serve as ENZYMES which are involved in active transport? |
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Definition
|
|
Term
| Integrated proteins provide? |
|
Definition
|
|
Term
| Proteins in the cell membrane serve 5 functions: |
|
Definition
1.structural support
2. transport of molecules across the membrane.
3. enzymatic control of chemical reactions
4. receptors for hormones and other regulatory molecules that arrive at the outer surface.
5. Cellular markers (antigens), which identify the blood and tissue type. |
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Term
| what is the normal osmolarity of the body fluids? |
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Definition
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Term
| humans have how many pairs of homologous chromosomes? |
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Definition
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|
Term
| two glucose molecules make? |
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Definition
|
|
Term
| glucose + fructose makes? |
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Definition
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|
Term
| glucose + galactose makes? |
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Definition
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