Ib Biology Enzymes Ia - 1414 Words

Biology Enzymes IA Design Introduction: Enzymes are globular proteins, they are responsible for most of the chemical activities of a living organism. They act as catalysts, substances that affects the reaction of other substances without being destroyed or altered during the process. They are extremely efficient in the body system of living organisms, one enzyme may catalyse over a thousand chemical reactions every second. But there are certain conditions that need to be fulfilled in order for the enzymes to work. Temperature of the environment must be correct for each enzyme because different enzymes will have different temperature ranges in which they can live. pH levels in the environment must also be correct because if the†¦show more content†¦Repeat this for all of the test tubes. Use the stopwatch to count 10 minutes and observe the amount of bubbles being released from the bubbles. After 10 minutes have passed, record amount of bubbles released in each test tube. Pour the hydrogen peroxide and dump the was te material unto the sink and throw away leaf discs, rinse all the test tubes. Record all observed data. This is the experiment Repeat the experiment but instead of using red apples again, use the different vegetables that has been previously prepared. Test tube rack Test tube rack 5Ãâ€"1Ãâ€"1cm potato with 3% hydrogen peroxide 5Ãâ€"1Ãâ€"1cm potato with 3% hydrogen peroxide Test tube Test tube Labeled Diagram: Data Collection and Processing Raw Data Table: Table 1: Amount of bubbles released from each test tube Processed Data Table: Table 2: Mean and standard deviation of amount of bubbles released from each test tube Graph: *Error bars represent the uncertainty of the bubble count of the experiment. Processed Data: Sample calculation of mean amount of bubbles produced: Where: Ex = Sum of all values n = Number of Values Where: Ex = Sum of all values n = Number of Values Formula: Mean= ∈ xn Calculation (Potato): 24+19+28+17+315 = 1195 = 23.80 Mean of potato = 23.80 Sample calculation of the standard deviation of amount of bubbles produced: Where: E = Sum of X =Show MoreRelatedHow Does The Consumption Of A Particular Energy Drink ( Red Bull ) Affect A Human s Heart Rate2211 Words   |  9 PagesIB Biology Cheyenne Cosman Dr. Sigworth March 28, 2015 Heart Rate IA Research Question How does the consumption of a particular energy drink (Red Bull) affect a human’s heart rate during exercise? Bakground Information The human heart has four chambers: two thin-walled atria, which receive blood, and two thick-walled ventricles, which pump blood. While veins carry blood into the atria, arteries carry blood away from ventricles. The atria and ventricles work collaboratively, alternatingRead MoreBIOLOGY GRADE 11 NOTES Essay examples6702 Words   |  27 Pagesï » ¿Biology Grade 11 Exam Study Guide Diversity Taxonomic Categories Domain Kingdom Phylum Class Order Family Genus Species Hierarchy From most general to most specific Binomial Nomenclature System used to identify all organisms on Earth Identifies an organism by its genus and species (ex. Humans-homo sapiens) Developed by Linnaeus in the 18th century Identifying Species 3 methods: Morphology ïÆ'   Form and shape ïÆ'   It is simple but there are natural variations in population Read More Malignant Melanoma Essay4346 Words   |  18 Pageswidespread disease is also appropriate. The more common patient has an early melanoma, and extensive testing is not usually warranted. Routine testing in this situation involves a complete blood count, a chest x ray, and determinations of blood enzymes including lactic dehydrogenase and alkaline phosphatase. If the patient has signs or symptoms of more advanced disease, or if the lesions depth of penetration is sizeable, further imaging studies may be appropriate. These would involve CAT scansRead MoreDevelopment Of The Mammary Gland9524 Words   |  39 PagesUnion Against Cancer (UICC) system. Staging based on the TNM classification system evaluates tumor size (â€Å"T†), presence of cancer cells within local lymph nodes (â€Å"N†) and tumor metastasis (â€Å"M†) (see table IA ). The UICC further groups the TNM data into the stages listed in the table below (Table IB). Neither of stage systems is inaccurate. Thus, to improve the TNM system, a separate pathological/histological classification has been added to allowing better predict both breast cancer free and overall