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Marqwee Sawyer
023-3-SCI220-09 (Human Physiology) - Week 7
| Question | Answer |
|---|---|
| Muscle tone is maintained by | negative feedback mechanisms |
| The four kinds of protein that make up myofilaments are myosin, actinn, | tropomyosin, annd troponin |
| The primary ossification center of a long bone is located: | in the diaphysis |
| Bones grow in diameter by the combined action of which two of the three bone cell types? | osteoblasts and osteoclasts |
| Which is not part of a hair? | Lanugo |
| Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin> | keratinocytes |
| Aprocine sweat can be found in all of the following areas except the: | soles of the feet |
| The hair follicle is found in the: | dermis |
| Diffusion requires | a concentration gradient |
| Extensive weight training causes the muscle cells to: | hypertrophy |
| A sequence of three bases form a(n) | codon |
| Which is not true about the sodium and potassium pump | sodium moves into the cell and potassium moves out the cell |
| Which of the following is not true of RNA | it contains deoxyribose sugar |
| Which of the following is not true of diffusion | uses cellular energy |
| Unsaturated fats | will kink or bend because of the double bonds between the carbon atoms |
| Prostoglandins and steroids share which of the followinng characteristics | both have a ring structure in their molecule |
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marqwee12
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