5 ocho rios high school department of science csec biology laboratory manual grades 10 and 11 contents lamm table of content now needs to be re-arrange to match labs in body of manual. Following digestion of a meal - section 351 interactive biology pepsin in the stomach and bile from the liver and how those enzymes help in the process of digestion cxc biology tutor. Mitochondria: contains respiratory enzymes site of respiration vacuoles: contains cell sap chloroplasts: contains chlorophyll and photosynthetic enzymes site of photosynthesis.
Stomach - the enzyme pepsin will chemically convert protein to polypeptides small intestine - trypsin will chemically convert polypeptides to amino acids (iii) suggest two benefits of amino acids to peggy's body. Cxc csec biology january 2017 p2 - free download as pdf file (pdf), text file (txt) or read online for free cxc csec biology january 2017.
I have a bachelor of science in biology (hons) from the university of the west indies, cave hill, barbados and i have been tutoring cxc biology and human & social biology from 2010, both online in a virtual classroom and face-to-face in the traditional classroom. Lab component the laboratory experience is extremely important in the ap biology course and is used to emphasize that biology and science is a process, which involves development and testing of a hypothesis, collection, analysis. The role enzymes play in the body have you tried hydrogen peroxide therapy yet - how i use hydrogen peroxide for any illness - duration: 14:37 justine iannello haynes 210,426 views.
Whoops there was a problem previewing cxc-csec-biology-january-2017-p2pdf retrying. Molecular biology the structure and function of enzymes is a central theme in cellular and molecular biology in this laboratory exercise, a crude cell extract is prepared from potatoes. Each of these enzymes is responsible for one particular reaction that occurs in the cell in this lab, you will study an enzyme that is found in the cells of many living tissues the name of the enzyme is catalase it speeds up a reaction which breaks down hydrogen peroxide, a toxic chemical, into 2 harmless substances--water and oxygen. Csec biology syllabus 1 cxc 20/g/syll 13 caribbean examinations council caribbean secondary educat ion cert if icat e® csec® a) nch 2syllabus biology syllabus effective for examinations from may-june 2015. Items 10-11 refer to the following graph which shows the activity of two enzymes in the human digestive documents similar to csec biology multiple choice.
Learn biology lab exercise 4 with free interactive flashcards choose from 500 different sets of biology lab exercise 4 flashcards on quizlet. The june 2004 examination in biology at the general proficiency level was the 24th sitting of this subject conducted by cxc enzyme solution were help for planning and design lab enzymes action - the q&a wiki. Beneath the description of each experiment you will find links from which you can open or download the experiments in word format, and a link from which you can download the group of documents in a zip file.
By the enzyme catalase at various enzyme concentrations, ph, and temperature values • define enzyme, catalyst, active site, substrate, activation energy, product, denaturation and explain how enzymes function • predict the effects of varying environmental conditions such as ph and temperature on enzyme structure and activity. In an enzyme catalyzed reaction, the enzyme binds to its substrate, which is the reactant an enzyme acts on in the reactions, the enzymes are very specific, where only a restricted region of the enzyme molecule binds to the substrate this region is known as the active site (campbell 152. Free online biology multiple choice quizzes and practice tests for 5th grade, 7th grade quiz, igscse quiz, ap biology quiz, sat biology quiz, neet mcq, class 10 and 12 and all biology exams.