Investigation on the effects of Temperature‚ pH levels‚ and Enzyme Concentration on the reaction rate of the Decomposition of Hydrogen Peroxide by Catalase The purpose of this investigation is to figure out how temperature‚ pH‚ and enzyme concentration affect the reaction rate of an enzyme. It’s important to understand how certain factors affect enzymes because of their crucial role in the metabolic processes of life. Enzymes lower the activation energy necessary for a chemical reaction to
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blood agar) was used for a mouth culture. The mouth culture was gathered by the student swabbing their cheek‚ tongue‚ and/or teeth with a sterile cotton swab. The TSA plates were to be incubated at 30 degrees Celsius for 24 hours and the SBA plate was to be incubated at 37 degrees Celsius for 20 minutes in the spot‚ but 24 hours in the
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Composition Neptune is a frozen gas. It is mainly made of hydrogen. Neptune’s core is made of iron and other metals. Its mantle is made of water‚ ammonia‚ and methane. The temperature inside of the mantle can range from 1‚727 degrees Celsius to 4‚727 degrees Celsius. Neptune’s atmosphere is 83% hydrogen‚ 13% helium‚ and 4% methane. Neptune has 6 rings‚ and they’re made of dust particles. Colour Neptune’s colour is a radiant azure blue.
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increases closer to the center. At the top of Jupiter’s clouds the temperature is around -230 degrees Fahrenheit or -145 degrees Celsius. Jupiter’s temperature increases as you descend closer to the center of the planet. The temperature can increase so much to the point where atmospheric pressure is ten times greater than that on Earth and the temperature is 21 degrees Celsius which scientists call “room temperature.” This part of Jupiter is believed to possibly be able to support life‚ which would have
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degree Celsius‚ which makes global warming affect us more and worse as the years go on‚ and another reason this is bad because we can’t let the polar ice caps melt which is happening and if it does melt‚ well it will be an additional amount of cold in the whole
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om the US Food and Drug administration(FDA)‚ BPA can possibly cause hazards to foetuses‚ infants‚ and young children. The adverse effects of BPA will be explained in details in plastics No. 7. 1: Polyethylene Terephthalate (PET) – Safe Problem: antimony‚ EA PET are often used to hold soft drinks‚ water‚ juice‚ sports drinks and other drinkable or edible liquids. It is also used in microwavable food trays and oven-friendly thin plastic. This plastic is considered to be safe but there is still risk
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food into absorbable units secrete hormones to regulate body processes such as growth and reproduction Question 9- Which of the following is considered a normal body temperature: 42 degrees Celsius 45 degrees Celsius 37 degrees Celsius 35 degrees Celsius 29 degree Celsius Question 10- Which of the following orientation terms have opposite meanings (in humans): posterior and intermediate superficial and proximal medial and distal medial and anterior distal and proximal
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Enzymes are a major role in the process of accelerating chemical reactions. Environmental factors affect the enzymes‚ These environmental factors include ph levels and body temperature. While both of these environmental factors affect the enzyme‚ body temperature affects the enzymes the most and can result in death. Enzymes are affected by high body temperature. Enzymes are highly specific and they work at certain temperature levels depending if it’s hot or cold. However‚ when the
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could stand at the surface of Mars’ equator‚ you would feel like it is summertime at the bottom part of your body and wintertime at the top part! This is so because the temperature at the upper part of your body can be 0°Celsius‚ while that in at your feet can be 21 degrees Celsius. When it is snowing‚ the snow can vaporize before it reaches the ground. The place is a desert but a cold‚ cold one. Mars has so many impact craters on its surface‚ the largest of which is the Borealis basin. This crater
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catalyst. This step of the reaction involves the addition of ethanol and sodium hydroxide into an aqueous solution of thiamine hydrochloride and creating a reaction with pure benzaldehyde. When you heat this mixture to a temperature of 60 degrees Celsius for about 90 minutes and then cool it in an ice bath‚ the benzoin crystallizes out. Recrystallization of these crystals from hot ethanol yields pure benzoin as a colorless powder.
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