Term
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Definition
| A somatic motor neuron or nerve fiber and all of the muscle fibers it innervates |
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Term
| The amount of force generated by a muscle during a twitch depends on... |
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Definition
the amount of load placed on the muscle
the number of motor units available in the muscle
the number of motor units activated or recruited during the stimulation
the amount of stimulation applied to the motor units in the muscle
all of the above
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Definition
| The amount of time required for an electrical impulse to effectively cause a muscle to contract and produce force |
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Term
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Definition
| The observed increase in the amount of force that a muscle is able to exert by stimulating the muscle rapidly without giving the muscle an opportunity to relax |
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Term
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Definition
| The amount of electrical energy required to a motor unit before the muscle will contract and produce force |
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Term
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Definition
| if a muscle is stimulated with increased frequency and increasing lengths of time, the peaks and valleys of the muscle twitches will begin to become indistinguishable from one another. This state is known as... |
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Term
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Definition
| the muscle remains at a fixed length |
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Term
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Definition
| the muscle changes in length |
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Term
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Definition
| Our body's white blood cells and the mechanisms that it develops to protect itself from harmful pathogens |
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Term
| Foreign invaders or antigens may include the following: |
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Definition
| bacteria, viruses, mutated or cancerous cells, our own normal cells |
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Term
| Our defense system operates within our lymphoid system which includes: |
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Definition
| the spleen, lymph nodes, tonsils, peyer's patches and the appendix |
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Term
| Helper b and helper t cells |
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Definition
| the important lymphocytes for fighting off disease |
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Term
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Definition
| non specific defense mechanisms |
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Term
| specificity, diversity, memory, self tolerance |
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Definition
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Term
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Definition
| the site on an antigen which causes the production of a specific antibody |
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Term
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Definition
| when the body detects and antigen, it will form an antibody which will remain in the body to attack that antigen if exposed again. |
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Term
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Definition
| Enzyme linked immunoabsorbent Assay |
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Term
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Definition
| can detect the presence of the antibody and the amount of color change is directly proportional to the amount of antibody present in the sample |
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Term
| Sandwich or Double antibody ELISA |
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Definition
| can detect the presence of antigen in the sample, and the color change is directly proportional to the amount of antigen in the sample |
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Term
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Definition
| can detect the presence of both the antigen and the antibody, and the color change is indirectly proportional to the amount of antigen or antibody present. |
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Term
| In the ELISA, the purpose of the enzyme that is linked to the 2nd antibody is to |
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Definition
| catalyze the enzyme-substrate complex reaction to produce a color change |
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Term
| Even if a person is not in the active state of disease, you could attempt to see if that person has ever been exposed to a particular antigen by testing the person for the presence of the... |
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Definition
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Term
| It is possible to test negative for an antibody but still have been exposed to the antige |
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Definition
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Definition
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Term
| The end product of the biochemical breakdown of protein is |
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Definition
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Term
| The end product of the biochemical breakdown of carbohydrate is... |
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Definition
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Term
| The end product of the biochemical breakdown of fats / lipids is... |
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Definition
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Term
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Definition
| an ion or molecule that may be required to make an enzyme functional |
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Term
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Definition
| to test for a fatty acid in a solution |
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Term
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Definition
| to test for amino acids in a solution |
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Term
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Definition
| to test for complex carbohydrates |
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Term
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Definition
| to test for maltose or other simple sugar |
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Term
| an enzyme is a catalyst and is not consumed by the digestive process. True or false |
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Definition
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Term
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Definition
| to test for proteins in a solution |
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Term
| Iodine will remain a yellow color in the presence of a complex carbohydrate. True or false |
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Definition
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Term
| Benedicts solution will turn reddish orange and form a precipitate in the presence of maltose |
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Definition
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Term
Factors that may influence the activity of an enzyme include which of the following:
pH
temp
Enzyme and/or substrate concentration
presence or absence of a co-factor
all of the above |
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Definition
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Term
| Simply phrased, the process of digestion is dehydration synthesis. true or false |
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Definition
| false - enzyme catalyzed hydrolysis |
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Term
| Which organ produces pepsin or peptidase? |
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Definition
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Term
The rate of diffusion of ions or molecules through a density gradient may be affected by which of the following?
the size of the ion or molecule
the density of the gradient through which the ions or molecules must travel
the temperature of the density gradient
the presence of a barrier such as a cell wall |
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Definition
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Term
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Definition
| the random movement of an ion or a molecule down its density gradient from a concentration of higher to lower |
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Term
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Definition
| the movement of an ion or a molecule across a barrier down its concentration gradient from a concentration of higher to lower |
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Term
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Definition
| the movement of an ion or molecule across a cell wall down its concentration gradient from a concentration of higher to lower with the assistance of another molecule |
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Term
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Definition
| is the movement of water across a barrier down its concentration gradient from a concentration of higher to lower |
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Term
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Definition
| is the movement of an ion or molecule across a barrier against its concetration gradient from a concentration of lower to higher |
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Term
which of the following are examples of passive transport?
diffucion
dialysis
facilitated transport
osmosis |
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Definition
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Term
| the most common energy source used in the human body to promote active transport is |
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Definition
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Term
| if the gram molecular weight of glucose is 180 grams per mole, how would you make a 20% glucose solution |
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Definition
| 20 grams of glucose in 100 mL of water |
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Term
| if the gram molecular weight of glucose is 180 grams per mole, how would you make a 2 molar aqueous solution of glucose |
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Definition
| 360 grams of glucose in 1 liter of water |
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Term
| Assuming that the molecules within a given cell are impermeable to the cell membrane and that cell is placed into a solution that is hypertonic to the cell, the cell would |
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Definition
| shrink and become smaller |
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Term
| If that same cell is placed into a solution that is hypotonic to the cell, the cell would... |
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Definition
| swell and perhaps lyse or break open |
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Term
| If that same cell is placed into a solution that is isotonic to the cell, the cell would... |
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Definition
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