NASON‚ A. Enzymatic reduction of hydroxylamine to ammonia by reduced pyridine nucleotides. Federation Proc. 13: 328. 1954. THE EFFECTS OF LIGHT INTENSITY ON THE GROWTH RATES OF GREEN ALGAE 12‚’3 CONSTANTINE SOROKIN 4 AND ROBERT W. KRAUSS DEPARTMENT OF BOTANY-. UNIVERSITY OF MARYLAND‚ COLLEGE PARK‚ MARYLA‚-ND Aimong the environmental factors affectingf the growth rates of unicellular algae‚ light is frequently at an improper level. In many laboratory cultures used for physiological research the
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The effect of exercise on heart rate Word Count THE EFFECT OF EXERCISE ON HEART RATE Abstract - Aims - This study is to ascertain‚ if there is an effect on heart rate after exercise. This is being done to see‚ if there is a difference between resting heart rate and heart rate after performing exercise. Method and results - The study was compiled of seven female students from the University of Huddersfield. For the exercise a step was used‚ a polar heart rate monitor was used for
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Title: Potato Osmosis Abstract: In this experiment was designed to study the effect of a concentrated solution applied to white and sweet potatoes. The solution’s impact among the potatoes were to be either hypertonic‚ hypotonic‚ or isotonic. The potatoes were first cut into fries with a fry cutter‚ and then weighed after being cut. The white and sweet potatoes’ weights ranged from .005-.015 grams. A total of 18 sugar solutions are to be made over the course of 3 trials. In each trial‚ 6 different
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RUNNINGHEAD: CAUSE AND EFFECT 1 The Cause and Effect in a Divorce Guadalupe Vela South University Online CAUSE AND EFFECT 2 “Divorce”- Is a very powerful word that most children and adults do not want to hear; it seems to cause great agony that can eventually become terminal. My own personal experience and
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Goldfish and Water Temperature Goldfish and Water Temperature The subject of my observation is a goldfish that is kept in a 2 gallon fishbowl positioned on a window side table. I have noticed that the goldfish is more active in the earlier morning and later evening than during the afternoon hours. Because the table is near a window that faces northeast‚ the fishbowl receives direct sunlight during the time between eleven o’clock a.m. and four o’clock p.m. The goldfish activity decreases around
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G. Y. S. Period: 6 09/11/12 Osmosis Lab I. Objective: The purpose of this lab is to put the solutions in chronological order from least to most molarity. If the solutions are hypertonic then‚ the water will go in and the order of the substances will be C‚ D‚ A‚ B‚ E. II. Materials and Methods: See attached page. Results: Table 1.1 III. Table 1.1 | Initial | Final | % Change | A | 11.4 | 11.86 | 4.03% | B | 11.67 | 15.33 | 33.68% | C | 10.84 | 11.86 | 9.4% | D | 12.02 |
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For this experiment‚ there will be an optimal point for each factor. I believe that the optimal temperature for the enzyme sucrase will be 37°C because that is the point where the temperature increases the rate of reaction to its greatest point without denaturing it. For the pH test‚ I think that the optimal pH for sucrase will be the pH of 7 because it is neutral so it won’t affect the charge in a negative or positive way. For the denaturation test‚ I think that the optimal treatment for the enzyme
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principle of simple diffusion and understand how to make % solutions. Exercise 2 demonstrated the principle of osmosis: observing the movement of water by osmosis from an area of lower concentration of a solute to an area of higher concentration of a solute. Materials and Method: Refer to pages 47-51 of Bio 203L Lab Manual. Results/ Discussion: The effect of the chloride ion on its rate of diffusion in agar means it will diffuse faster because it is more concentrated. We graphed the diffusion
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Measure and record initial temperature for both hot and cold for 2-3 minutes a. b. quickly lift lid and add hot water to the cold recover‚ stir and note mixing time 5. Record temperature every 30 seconds for 20 minutes or until temperature reaches its max. 6. Empty and dry all equipment 7. Place 50.0 ml NaOH in Styrofoam cup 8. Place 50.0 ml assigned acid (phosphorc acid) in beaker 9. Repeat steps 4-6 10. 11. Prepare computer apparatus Set the vertical axis for temperature and the horizontal for time
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Diffusion‚ Osmosis and Active Transport Substances will move through the membrane by diffusion. This is the random spreading out of particles until they are even. For example‚ when you put your instant coffee in boiling water‚ the coffee particles spread out and fill the entire mug‚ this is diffusion. A second way that substances can move through the cell membrane is by osmosis. This is a special type of diffusion where water moves from a high to a low concentration through a ’partially permeable
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