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SCI221_Wk7_Assign
Weeks 1 - 6 Study Stack
| Question | Answer |
|---|---|
| What term is often used to describe certain arrangements of atoms attached to the carbon core of many organic molecules? | Functional group |
| Which term means “water loving” and applies to the phospholipid head? | Hydrophilic |
| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
| When two amino acids are joined, a peptide bond is formed and an H+ ion is released. | False |
| Which of the following is a protein substance with no DNA or RNA and is thought to be the cause of mad cow disease? | Prion |
| Events that lead to an immune response to an infection or the formation of a blood clot are examples of _____________ | positive feedback |
| The normal reading or range of normal is called the _______ | set point |
| The body’s thermostat is located in the _____________ | the hypothalamus |
| A chemical that reduces the amount of activation energy needed to start a chemical reaction is a(n) | catalyst |
| Meiotic division occurs in | primitive sex cells |
| RNA makes proteins by | translation |
| Diffusion can be defined as | the net movement of molecules from a region of higher concentration to a region of lower concentration. |
| The nail body forms at the nail root, which has a matrix of proliferating cells from the _____________ that enables the nail to grow continuously. | stratum basale |
| Apocrine sweat glands can be found in all of the following areas except the _______ | soles of the feet |
| Smooth muscles that produce goose pimples when they contract are the _____ muscles. | arrector pili |
| The hair papilla consists of _____ tissue. | dermal |
| What is are the two types/functions of bone marrow? | Red & yellow – produces red blood cells and stores energy as fat. |
| Which function of the skeletal system would be especially important if you were in a car accident? | protection of internal organs |
| When an astronaut is in space for 2 months what may happen to their bone density as compared to a person living on earth? | The astronaut will experience bone loss at an increased rate as a person on earth |
| Bones grow due to activity in the ___________. | Epiphyseal plates |
| If a structural classification is used, joints are named according to the type of _____ tissue that joins the bones together. | connective |
| The minimal level of stimulation required to cause a fiber to contract is called the __________. | threshold stimulus |
| The largest and most commonly injured joint in the body is the _____ joint. | knee |
| The more muscle fibers contracting at the same time, the stronger the contraction of the entire muscle. The number of muscle fibers contracting depends on how many motor units are | recruited. |
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dwnsfaith
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