Objectives: To study the effects of hypotonic‚ hypertonic and isotonic solutions on plant and animal cells. Materials and Apparatus: * Microscope * Electronic balance * Stirring rod * Small knife * Glass slide and cover * 250‚ 500 ml beakers * Distilled water * Cotton * Test tubes * Spatula * Onion * Ethanol (70%) * Filter paper * Table sugar (sucrose) * Table salt (NaCl) * Potato EXPERIMENT 1 PART 1 Procedure: 1. The epidermal
Premium Management United States Strategic management
influence of peers‚ family‚ society‚ the availability of alcohol‚ mental illness‚ stress‚ and not knowing how to cope with certain situations. It’s a common thing for an alcoholic to think drinking is the answer to all their problems‚ but in retrospect drinking is only adding to the multiple complications caused by being a compulsive drinker. Research has been done to explore the reason behind why people drink. However‚ “Exactly how alcohol affects the brain and the likelihood of reversing the
Premium Alcoholism Alcohol Alcohol abuse
efficiency of different burning alcohols. An alcohol‚ any of a class of organic compounds characterized by one or more hydroxyl (−OH) groups attached to a carbon atom of an alkyl group (hydrocarbon chain). Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes‚ are valuable intermediates in the synthesis of other compounds‚ and are among the most abundantly produced organic chemicals in industry. Perhaps the two best-known alcohols are
Premium Alcohol Ethanol Oxygen
the use of alcohol has been an topic in need of explanation for many years. The concept will be explaned with emphise on the negative effects of hooch. Alcohol in cardio-sport athletes is especially harmful. But at any rate the negative concepts apply to all student. Besides the fact that a large number of students are underage when they drink‚ alcohol can put students in dangerous situations and give them a headache long after the hangover is gone. The short and long term effects alcohol has can impair
Premium Drinking culture Alcoholism Alcoholic beverage
Effects of Marijuana‚ Heroin and Alcohol. Contents Effects of Marijuana Effects of Heroin Effects of Alcohol Effects of Marijuana Marijuana is a combination of shredded leaves‚ stems and flower buds of the Cannabis sativa plant. Marijuana is the most commonly used illegal drug. Occasional marijuana use is rarely seriously harmful‚ but smoking pot has important medical effects. Physiological Effects of Marijuana The active ingredient in marijuana is THC. That ’s short for delta-9-tetrahydrocannabinol
Premium Drug addiction Addiction Cannabis
With regards to alcohol has many long term effects. The bloodstream transports blood all over the body. As soon as alcohol is consumed‚ it goes into the bloodstream and spreads throughout the body. It can affect the bones; it was said in‚ “Effects of Heavy Drinking‚” that alcohol can make arthritis more painful by inflaming the joints that are affected. Another example of liquor affecting the bones is gout which is another form of arthritis that harms the foot. The consumption of alcohol makes this disease
Premium Hypertension Alcoholism Alcoholic beverage
What is alcohol? To most people “alcohol refers to the intoxicating ingredient in most beer‚ wine‚ liquor”. When people think of dangerous drugs‚ they probably think of heroin‚ crack cocaine‚ crystal meth or prescription painkillers. Because it is legal‚ alcohol is not‚ in most cases thought of as a substance with the ability to kill you or lead to chronic‚ irreversible health problems. It can wreak havoc with your health; destroy your family‚ your career‚ your hopes and dreams. Worst of all‚ it
Premium Drug addiction Addiction Alcoholism
Homeostasis is a system that regulates internal environment and tends to maintain a stable and constant condition‚ it is normally found within living organisms. It receives and sends information about the body’s condition to the hypothalamus which can then make changes if necessary. The hypothalamus is a part of a organisms brain that controls its body’s homeostasis system. There is a theory called duel control theory that assumes that the feeling of hunger and satiation are controlled by two
Premium Organism Causality Rat
The cell‚ which is the smallest unit of life‚ is surrounded by a plasma membrane. The plasma membrane functions somewhat like a wall‚ as it keeps the internal contents from the external environment. Just like a wall‚ the membrane is also somewhat permeable‚ except that the membrane takes a much more active role in determining what is allowed in to the cell and what is kept out. The plasma membrane is a very thin structure‚ which has some very important tasks. One of the main tasks that it performs
Premium Cell membrane Adenosine triphosphate Molecular diffusion
Alcohol has many effects on the body‚ especially the teenage body. Alcohol abuse and alcohol dependence are not only adult problems -- they also affect a significant number of adolescents and young adults between the ages of 12 and 20‚ even though drinking under the age of 21 is illegal (Dimeff 204). Alcohol is created when grains‚ fruits‚ or vegetables are fermented. Fermentation is a process that uses yeast or bacteria to change the sugars in the food into alcohol. Fermentation is used to
Premium Alcoholism Alcohol abuse Binge drinking