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Adriana Carrasco
Physiology
| Question | Answer |
|---|---|
| What is homeostasis? | Internal stability |
| What is a feedback loop? | Negative-produce opposite change to what activated it Positive-continue the change(amplify) |
| What are the three groups of carbohydrates? | Mono(1)saccharide-one sugar, glucose Di(2)saccharide-two sugars, made up of monosaccharides Poly(multiple)saccharide-many monosaccharides , polymers |
| What are the two main nucleic acids, their bases, and pairs? | Deoxyribonucleic(DNA)-adenine/thymine and guanine/cytosine Ribonucleic(RNA)-adenine/uracil and guanine/cytosine |
| What is the function of an enzyme? | Act as a catalyst to speed up reactions, has a specific binding site (lock&key), continues to synthesize |
| What are the layers of the skin and the functions? | Epidermis-(superficial) 5 layers, Dermis-(middle) 2 layers, Hypodermis-(deep). Protection, sensation, flexibility, excretion, hormone production, immunity, homeostasis. |
| What are the functions of the bones? | Support, movement, protection, mineral storage, hematopoiesis(blood cells; red/white/platelets) |
| What are the types of blood cells produced and there functions? | Red-oxygen for body, White-immunity, Platelets-clot the blood in case of injury. |
| What energy is needed for muscle contraction? | ATP->ADP+phosphate group |
| What is the sliding filament theory in muscle contraction? | Myosin attaching to actin, detaching, then sliding to bind to another actin. |