Determination of the concentration of vitamin C in fruits/vegetables by using the DCPIP test (2008) Principle : Vitamin C is a strong reducing agent. It can decolorize the blue dye DCPIP. The amount of vitamin C in a food sample can be estimated by the amount of it that is used to decolorize a fixed amount of DCPIP. Apparatus : Test tube‚ clean and dry Test tube rack 5 ml syringe or a good quality squeezing pipette 1 ml pipette
Premium Orange Citrus Vitamin C
Cryptococcus neoformans is an encapsulated yeast and an obligate aerobe that lives in the environment throughout the world both in plants and animals. It is often found in bird excrement. People can get infected with C. neoformans through breathing in the microscopic fungus‚ although most people who get exposed to the fungus never get sick from it. Most cases of this infection occur in people who have weakened immune system‚ mainly those who have HIV/AIDS. In 1894‚ Busse‚ a pathologist‚ first described
Premium Bacteria Immune system Infection
imperious way. “Something was making him nibble at the edge of stale ideas as if his study physical egotism no longer nourished his peremptory heart.” The boss’ peremptory tone towards his employees made him the easily hated person in the premises. C. Inquiry 1. Why does Daisy seem like a flirty woman with a frail personality? 2. What exactly made Nick Carraway become wholly fascinated with Gatsby? Chapter 2 A. Style 1. Personification – “Occasionally a line of gray cars crawls
Free The Great Gatsby F. Scott Fitzgerald
Some cases Vitamin C has been proven harmful. The only reason we believe that Vitamin C is good for us in large doses is because of a man named Linus Pauling. Linus Pauling was an American chemist‚ biochemist‚ peace activist‚ author‚ and educator. He was the only person to receive two noble prizes by himself
Premium Nutrition Obesity Caffeine
a. resources are scarce b. goods and services are not scarce c. incomes fluctuate with business cycles d. people‚ by nature‚ tend to disagree 2. Which of the following examples does not illustrate the principle represented by the adage‚ "There is no such thing as a free lunch"? a. Joe needs to pay his rent and his electric bill b. Pete must choose between buying a new flat screen television and buying his textbooks for this semester c. Kevin must decide between studying for his economics exam and
Premium Economics
Effect of Heat on Vitamin C Objective: - To determine whether the concentration of Vitamin C in a fruit juice changes upon heating at a constant temperature for different periods of time. - To investigate how the trend goes (whether the concentration of Vitamin C increases or decreases) if the amount of Vitamin C does change. Theory: - Hypothesis: The concentration of Vitamin C in the fruit juice changes and decreases upon heatingat a constant temperature for increasing periods of time
Premium Ascorbic acid Vitamin C Vitamin
Jim’s C Programming Problems The First 100 (currently up to 74) gcc –ansi -Wall A Varied Collection of Problems for Beginning Students Version 1.0 Last Updated – January 3‚ 2008 Problem 1: Hello World Write a C program that prints out the message Hello World. Problem 2: The Value 6 Write a C program that prints out the value 6. I want you to use the %d format code. Problem 3: The Character P Write a C program that prints out the single character P. I want
Premium Integer Prime number
studied the defense evoked venom of three C. geographus. The significance of their venom is the paralytic toxins‚ which makes the most of this venom. The toxicity of the venom is needed to attack the prey in a high-speed. They also showed a correlation between the size of the animals and the injected venom. Despite their little size and slow-movement‚ they express a defensive mechanism‚ they extend their proboscis and inject the paralytic toxin which is lethal. C. geographus‚ usually hunt during night
Premium Gene Evolution Symbiosis
“1491” by Charles C. Mann In this article‚ “1491”‚ Charles Mann introduces a very controversial topic about the pre-Columbus Americas. Before the year 1492‚ many different civilizations of Native American Indians inhabited the Americas. How many people actually lived in the Americas before the European invaders came in contact with the new world? For generations‚ historians and professors have been fascinated by this question and have always answered with conflicting conclusions. Also‚ how was
Premium Indigenous peoples of the Americas New World Native Americans in the United States
Group 1 Write a C++ program or each of the following problems: 1. Write a C++ program to enter a distance in meters and print out its value in kilometers‚ yards‚ and miles. (Note: 1 m = 0.001 km = 1.094 yd = 0.0006215 mi). 2. Write a C++ program to enter length and width of a rectangle‚ compute and print the area and perimeter of the rectangle. Print both rounded to the nearest tenth of a foot. 3. Write a program to compute the cost for carpeting a room. Input should consist of the room length
Premium Pythagorean theorem Real number Integer