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- “The processes of life require a wide variety of ions and molecules tobe close to each other and be soluble in a common medium”. discuss the importance and application ofthis statement in linking the unique properties of water (as universalintracellular and extracellular medium) to the dissolution and absorption ofdrugs in the body.Does viscosity fatty acid solid has same viscosity with fatty acid solutionActivity B: Molecules in Motion Brownian movement occurs when particles in a solution move because they are being struck by other particles in a solution. This was first discovered by Dr. Robert Brown in 1827 when he was observing pollen grains in water under a microscope. To observe this ourselves, we will look at carmine particles suspended in water under a microscope. a Brownian Motion Wetch later Share Watch on DYoulube Which statement best describes the movement of the particles? O The particles are dashing through the field of view. The particles are slightly vibrating. The particles are traveling in large circle patterns. O The particles are not moving at all.
- 18 MacromoleculeREVIEW gy Substances Notes Name: Zander Mcnemar Period: 2nd Date: November 18th , 2020* oduction: All compounds can be classified in 2 broad categories: 1.) Common compounds- Contain Н2о Со2 Inorganic and compounds- Can have one or the other, but do not contain both carbon and 2.) atoms hydrogen atoms A. Most of your body's molecules are Pepsin compounds. a. are built from small organic compounds the same way a railroad train is built, by linking a lot of smaller units together into long chains. i. Large carbon compounds are built up from smaller simpler molecules called (mono =. ii. Monomers can bind to one another to form complex molecules known as (poly = iii. A polymer consists of repeated, linked units, which can also bind forming large polymers called (macro = b. Monomers link to form polymers through a chemical reaction called or During the formation of polymers, Water (H2O), is released or is by-product of the reaction. C. The breakdown of some complex…a cell produces acids during its normal activities, which are released into the external environment (such as a broth where the cell is located). However, the pH of the cell's external environment stays the same. This is possible because the environment has: O water O enzymes O bases O buffers saltsAn individual is sailing off the coast of a remote area and is blown out to sea by a freak storm, whichalso destroys the main sails, damages the propeller, and disables the radio antenna. Aboard the boatare some minimal food supplies – some beef jerky, canned tuna, a roll of Life Savers candy – and anadequate amount of water. Assume that carbohydrate component of the sailor’s diet is severelyrestricted for several days until he or she is discovered and rescued but that he or she continues toeat adequate amounts of fats and proteins. Describe some of the adjustments that the person’s bodywould make to the unbalanced diet over this period of time
- Membrane proteins through which water molecules can passa re calledCholesterol is an integral part of plasma membranes. Based on its structure, where is it found in the membrane? O within the tail bilayer O on the extracellular surface O embedded with the phospholipid heads O attached to the intracellular surface9:40 1 Honors Biology 2020-21 1st.2 xD Transport Review - Google Slicx ms/d/e/1FAlpQLSeBKKRydYA_81_3ruUOYVMoBJq4cd6j1fP-Zr18wU5a4Wlyfw/formResponse O lose water in the distilled water and gain water in the salty water Which transport process is represented by the image? * O diffusion O sodium-potassium pump O endocytosis O exocytosis 80 89 F3 F4 F6 F7
- Predict or describe the absorbance or enzyme activity at: pH = 2 pH = 14 Explain your predictions.Glycolipids are nonionic lipids that can orient themselvesinto bilayers as phospholipids do. They accomplish this featalthough they lack an ionic group like that of the phospholipids. Suggest a reason why this is possible.. DRAW IT An artificial “cell” consisting of an aqueous solutionenclosed in a selectively permeable membrane is immersed ina beaker containing a different solution, the “environment,”as shown in the accompanying diagram. The membrane ispermeable to water and to the simple sugars glucose and fructosebut impermeable to the disaccharide sucrose.(a) Draw solid arrows to indicate the net movement of solutesinto and/or out of the cell.(b) Is the solution outside the cell isotonic, hypotonic, orhypertonic?(c) Draw a dashed arrow to show the net osmosis, if any. (d) Will the artificial cell becomemore flaccid,more turgid,or stay the same?(e) Eventually, willthe two solutionshave the same ordifferent soluteconcentrations?