An experiment to investigate the enzyme concentration and rate of reaction Background To carry out our experiment we used 3 different types of orange juices‚ and we also used 0.1% of vitamin C solution. The aim of our experiment was to see how much DCPIP was needed to be added to make the orange juices turn back to the orange colour and the DCPIP to decolourise once the 0.1% of vitamin C was added. DCPIP is a blue dye in its non-reduced form; it becomes colourless when it gains electrons. Vitamin
Premium Juice Orange Juice Vitamin C
Oxygen Revolution {text:bookmark-start} {text:bookmark-end} Oxygen Revolution {text:bookmark-start} {text:bookmark-end} Oxygen Revolution The oxygen revolution‚ which is sometimes known as the oxygen catastrophe is believed to have occurred about 2.4 billion years ago with the evolution of cyanobacteria‚ a type of blue- green algae. Before this time‚ the atmosphere had a very different chemical make-up‚ high in carbon molecules; unsustainable for life as known today. These prokaryotes
Premium
Antioxidant Effects on Reactive Oxygen Species Abstract Antioxidants are among key molecules for a healthy living. Antioxidants are molecules that prevent damage of cells through inhibition of oxidizing agents such as free radicals. This experiment was aimed at investigating the role of antioxidant on the inhibition of reactive oxygen species. To demonstrate this‚ quercetin was used as antioxidant and its effect on reactive oxygen species examined. RAW 264.7 cells
Premium Oxygen Antioxidant Hydrogen peroxide
Violation of Basic Human Rights using the Stanford Prison Experiment Ethical issues in Psychology For this paper‚ I will explore the ethical issues in Psychology‚ more specifically the violation of basic human rights in the example of the Stanford Prison Experiment. The following questions will be addressed: Was the Stanford Prison Experiment worth the consequences it had on the participants? Was it morally right to put the participants in these conditions
Premium Stanford prison experiment Psychology Ethics
Smithsonian Laboratory Early Atmosphere 1. How abundant was oxygen in the early atmosphere? The earth’s early atmosphere contained only small amounts of free oxygen‚ produced by the reaction of water vapor with sunlight. The oxygen rich atmosphere that developed later and on which oxygen breathing life now depends was result of the origin and spread of organisms capable of photosynthesis. 2. What evidence do scientists have that the oxygen content of our atmosphere has increased since the earth’s
Premium
ADVERTISING TO GENERATION Y: Members of Generation Y : the demographic loosely defined as those born between 1980 on the early end and 2000 on the high end are truly the product of the turbulent times in which they were reared‚ and present a challenge for marketers who dare target this shrewd and‚ yes‚ narcissistic generation. You’ve heard that they don’t watch TV‚ and you’ve probably been told that they don’t read that much. Your research tells you that you can’t target them through MTV anymore
Premium Generation Y
Diary of an Oxygen Thief Anonymous‚ I have not read any other books by this author. Fiction Characters: There aren’t any other characters beside the one person who he doesn’t say his name‚ but he is the speaker of the story‚ he is an Irish man and was born in Kilkenny Ireland. This book is first person view‚ making the speaker the main character. In the story the speaker describes his past events and how he wished to fix his mistakes. He describes how he hurt girls when he was in his 20’s‚ by hurting
Premium Fiction Literature The Book Thief
bound in the culture of every nation of the world. Generation gap is a more modern term for the difference between generations‚ or another term for the "clash" between the opinions‚ the attitudes and the behaviors of the younger and the older generations. The inevitable progress of time and technologies makes the introduction of new ideas‚ new believes‚ and new values unavoidable. Difference between the present generation and previous generations are made evident through their different experiences
Premium Sociology Ageism Old age
Gabby Dodgson 2A Oxygen Atom Essay A Day in the Life Being an oxygen atom isn’t as easy as it sounds‚ humans love us so much and those other atoms are always trying to attach themselves to us. Honestly‚ can they be anymore clingy? Really were the Michael Jordan’s of the element world. Todays the day I leave my home in the Tundra Biome‚ finally graduated from the periodic table and am on my way to the Tropics. I can’t wait‚ I’m so sick of this freezing weather and lack of any biotic diversity.
Premium Oxygen Carbon dioxide Carbon
In the article “It Just Happens”‚ agreeing to Melanie Beres’ article‚ by saying that ‘it just happens’‚ it renounces the responsibility and action in portraying in the encounter of having casual sex. Most of the contributors agreed that alcohol play’s a vast role in the choices and actions that they make. Particularly for women‚ forwarding the accountability to alcohol allows women to feel less immoral. Though both genders describe their arrangement as “it just happens”‚ men tend to more often look
Premium Gender Woman Sexual intercourse