Diffusion is a natural act that takes place in the human body in order to utilize and absorb important concentrations into the body. In order to understand how diffusion works‚ it is important to understand how temperature plays a role. In connection with diffusion‚ a certain temperature must be obtained to begin the process. Introduction Diffusion is very important in the body for the movement of substances. An example would be the movement of oxygen from the air into the blood and carbon dioxide
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that are selectively permeable. In other words‚ they allow certain things in and certain substances are not allowed to enter the inside of the cell. Osmosis is the process of water movement across the membranes from an area of high water concentration to an area of low water concentration to reach a sense of equilibrium. Diffusion is what enables osmosis to occur.
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Sample Exam 4-Bio 107 1) The layer of the GI tract wall that is responsible for motility is the A) muscularis. B) mucosa. C) serosa. D) submucosa. E) None of the above are correct. Answer: A 2) The process by which undigested material is removed from the gastrointestinal tract is A) secretion. B) urination. C) mechanical processing. D) elimination. E) absorption. Answer: D 3) Once a bolus of food has been formed in the mouth‚ it is passed by the tongue and jaws to the A) esophagus
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Name________________ Block 4 ______ Pushing the Limits – Strength! For each section: List ONE question that could be answered by the film about each of the different sections and state the answer. Bones Q - How Many bones is your skeleton made up of ? _______________________________________________________________________ A - The Skeleton is made up of 206 bones _______________________________________________________________________ Muscles – Superhuman strength Q- How does
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Sang Kim Enzyme Catalyst Purpose/Problem: There are four parts to the Enzyme Catalyst lab - Activity A‚ B‚ C‚ and D. In activity A‚ the characteristics of enzyme actions will be observed. The main purposes are to determine the rate of an enzyme catalyzed reaction‚ to study the characteristics of an enzyme mediated reaction‚ and to observe the effect of heat on enzyme activity. The purpose of activity B is to use the Titration Protocol to determine the initial amount of H 2O2 present
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heat for the early Earth? a. meteor bombardment b. gravitational contraction c. radioactivity d. hydrothermal energy 3. What are small asteroids called? a. comets b. meteoroids c. cratons d. microcontinents 4. What is the process by which a planet becomes internally zoned when heavy materials sink toward its center and lighter materials accumulate near its surface? a. photosynthesis b. dewatering c. accretion d. differentiation 5.
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Chapter 4- Sensation and Perception * Sensation vs. Perception * Sensation- Basic processes by which sensory receptors and the nervous system: Receive and represent stimulus energies from environment‚ and entails basic psychological experiences. * Bottom-Up Processing- Sensory detection and encoding; construction of whole from parts. * This includes Lines‚ shapes‚ angels‚ colors‚ items/events that grab our attention * Perception- Interpretation and integration
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OSMOSIS LAB BACKGROUND INFORMATION. Dialysis tubing is being used to model a plasma membrane. Isotonic solutions are solutions that have the same concentration of solutes on both sides of the membrane. Hypertonic solutions are solutions that have more solute to the one with less solute. Hypotonic solution are solutions that have less solute to the one with more solute. RESEARCH QUESTION:which dialysis tubing will gain the distilled water and which one will loss its content
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3.52 Tell whether the following pairs of compounds are identical‚ constitutional isomers or stereoisomers: (a) Cis-1‚ 3-dibromocyclohexane and trans-1‚ 4-dibromocyclohexane (b) 2‚3-dimethylhexane and 2‚5‚5-trimethylpentane (c) Cl Cl Cl Cl and Solution: (a) (b) (c) Constitutional isomers Constitutional isomers Identical a) Solution: Draw two constitutional isomers of cis-1‚2-dibromocyclopentane
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out‚ comes in and leaves as heat 3. What are the 4 most important elements in the human body? C‚ O‚ N‚ H 4. Draw the periodic square for Helium. How many valence electrons does it have? How do you figure this out using the periodic table? Two valence e-‚ 23He‚ all the way right full shell only holds two electrons 5. What is an isotope? How are they used? Different number of neutrons‚ used in biological research (radioactive) 6. Describe the 4 main types of bonds. Put them in order from strongest
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