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YL Physio Wks 1-6
| Question | Answer |
|---|---|
| The impact of effector activity on sensors may be pos or neg. Therefore, homeostatic mechanisms are categorized as | organs that're directly influenced by physiological variables or mechanisms |
| If the secretion of oxytocin during childbirth operated as a neg-feedback control loop, what effect would it have on uterine conractions? | Oxytocin would INHIBIT uterine contractions |
| All of the following occur as a result of meiosis except: | chromosome number remains at 46 |
| If oxygen is available, the pyruvate molecules formed by glycolysis are prepared to enter the next phase of aerobic cellular respiration, called the | citric acid cycle |
| Osmosis can be defined as | the net movement of water molecules from a region of higher concentration to a region of lower concentration |
| If red blood cells containing 10% solute are placed in a solution containing 10% solute, what will happen? | Water will move into and out of the cells at equal rates |
| The hair papilla consists of __________ tissue | dermal |
| The Axial Skeletal structure | Supports and protects organs AND Provides framework for muscles that anchor and stabilize the appendicular bones |
| The joint present during the growth years between the epiphysis of a long bone and its diaphysis is the | synchrondrosis |
| The alpha helix is an example of which level of protein structure? | Secondary |
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