This worksheet explores where digestive enzymes are made, what they breakdown, and what they produce. Enzymes are denatured at extremes of temperature and ph. Digestion and enzymes worksheet this worksheet accompanies the digestive system. The region in an enzyme molecule where a substrate fits. Introductory lesson on enzymes with a worksheet to be completed using some of the slides from the power point printed out and put around the room for students to find. Will this digestive system worksheet be suitable for my ks3 class. Physical digestion takes place at two places in the system. This means that they speed up chemical reactions in living organisms, and in this gcse biology quiz we are going to take a closer look at some of the different enzymes, what they do and how they work. I think it helps students understand digestion if they see the digestive system as one long 0. Powerpoint presentations that are great for ks1 ks2 ks3 ks4 and post 16 a level lessonplans, k12 and more. In some reactions the reactants are gases or liquids and the catalyst is a solid.
Whilst teaching the digestive system at ks3, use this fantastic worksheet to support your lesson. The action of these chemicals on the viral dna is shown in the diagram below. Restriction enzyme worksheet use the restriction enzymes to cut the strands of dna below then draw the bands on the gel at right. Enzymes powerpoint and worksheet for ks3 science teachwire teaching resource. Boardworks ks4 digestion part one free download as powerpoint presentation. Restriction enzyme a reads agtc and cuts between g and t. Vocabulary covered includes active site, induced fit, coenzyme, and cofactor.
Enzymes are proteins made up of long chains of amino acids. The ck12 foundation is a leading nonprofit organization dedicated to increasing access to highquality k12 stem open educational resources oer. Dna strands restriction enzymes 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 rsa i sty i both. An enzyme works on the substrate, forming products. The first powerpoint looks at enzymes and catalysts, what they are made of, what they are for, if theyre limited in how they work and how we can test that. First, the enzymes react with a substrate to form an enzymesubstrate complex like a lock and key. Gcse biology 91 digestive enzymes worksheet teaching. Restriction enzymes are specific to a section of dna, depending on the base pairs at that section, you will analzye sections of dna and determine which restriction enzyme should be used. A great lesson pack, used for eal gcse and they found it really easy to follow. Pdf digestion and enzymes worksheet digestion and enzymes worksheet this worksheet accompanies the digestive system.
Boardworks ks4 digestion part one digestion carbohydrates. Once this complex is formed, the substrate becomes a. It also includes a word doc worksheet to record what happens in an enzyme experiment. Making sure you plan ahead, so that you leave enough time to revise all of the key topic areas but also complete all the available past papers. Summary notes, revision videos and past exam questions by topic for cie igcse biology topic 5 enzymes. There are four activities centred around enzymes with a focus on digestive enzymes. This happens more often between an enzyme and its substrate when the.
Modeling bacteria transformation worksheet data and observations staple recombinant model here. To defend when attacked by a virus, bacteria use chemical weapons that break up the dna of the virus. Use the worksheet as a method of consolidating the learning, or as a homework activity. A dna molecule consists of two strands of mononucleotides. First show students this incredible video of the digestive system from the national geographic. Enzymes are proteins and their molecules act as biological catalysts. You will find a general guide which has been produced to help you revise for all your subjects and then there are some specific materials which have been produced to help you with your science gcse revision.
Enzymes are chemicals, which act to speed up chemical reactions. The equation below summarizes the process that produces the flashing light of a firefly. Compound x increases the rate of the reaction below. Enzymes revision ks3 and ks4 science teaching resources. Gcse links 4 science free gcse revision, learning and teaching resources for science, biology, chemistry and physics at ks4. Welcome to beyond secondarys conical flask full of ks3 science resources. Enzymes are proteins that act as biological catalysts this means they speed up reactions without being used up.
Using the word choices provided in the boxes, fill in the numbered boxes with the steps of bacteria. After this point the reaction will slow down and eventually stop. Use and alter these presentations freely or any power point template used in this presentations site for other teachers. Aqa biology unit 2 enzymes in digestion cover lesson pack twinkl. Explain where the different components are digested, using knowledge of enzymes. Food and digestion aims by the end of this lesson you should be able to. A revision powerpoint aqa gcse additional biology with class worksheet for use alongside the presentation. Give each small group of students copies of the graphs and. They speed up as the temperature rises until an optimum temperature is reached. Each of these strands is twisted around the other, forming a.
Thank you to other tes contributors for some slides. Gcse and key stage 3 worksheet on the digestive system. Parentcarer comment staff comment gcse level target science home learning task year 9 gcse organisation and the digestive system name tutor group teacher given out. Circle two labels to show the places where this occurs. Ks4 enzymes by l absalom teaching resources tes from enzyme worksheet, source enzymes lab turn in worksheet from enzyme worksheet, source enzyme worksheet high school free worksheets library from enzyme worksheet, source enzymes read biology from enzyme worksheet, source enzyme and chemical. Worksheets and lesson ideas to challenge students aged 11 to 16 to think hard about enzymes gcse and key stage 3 teaching resources where to start. Restriction enzymes are designed to cut or cleave dna at specific sites. A counting game to help teach the josephus problem ks4 maths lesson plan. Bio enzymes boardworks free download as powerpoint presentation. Fermentation worksheet plainfield north high school.
The decomposition of hydrogen peroxide is a great place to begin thinking about enzymes. Read a short article about how restriction enzymes are used to cut bits of dna and those bits can be inserted into the genome of other organisms. Enzymes are biological catalysts which speed up reactions. Free gcse revision, learning and teaching resources for science, biology, chemistry and physics at ks4. Enzymes are proteins that help chemical reactions occur at a faster rate by lowering the energy needed for the reactions. Developed by the cool folks at donttellteacher, this is a fun animated show that introduces students to a biology topic called enzymes. The mechanism of enzyme action from enzymes worksheet, source ks4 enzymes by l absalom teaching resources tes from enzymes worksheet, source 1 cb5a ea803a603c57afba1c266f3 from enzymes worksheet, source 15 digestive system worksheets year 8 from enzymes worksheet, source. The amoeba sisters explain enzymes and how they interact with their substrates. Also see accompanying worksheets food groups and tests and the digestive system. Download document download enzymes in digestion in pdf format. They are knows as biological catalysts as they speed up chemical reactions allowing them to occur at a faster rate. Each enzyme will only speed up a specific reaction, for example, catalase will speed up the decomposition of hydrogen peroxide into water and oxygen but it will not speed up the breakdown of starch into glucose.
They are produced from glandular tissue, which is found all over the body. Enzymes powerpoints and worksheet for ks4 science teachwire teaching resource. All pages from this print book available as pdf and editable word files student worksheets in 2 formats. A c t c a g t c c t c t a a g c c a g t c c t c a a a a g t c how many fragments are there. Answers all answers to student book questions and worksheet questions are provided. At the end of the reaction the catalyst remains unchanged and can be used again. In this part of the website you can find a range of materials designed to support you through your gcse science revision. Digestive system teaching resources the science teacher. In this activity students draw, label and state the parts of the. Enzymes revision use this as an information mat or a poster for enzyme revision. Enzymes work best at particular temperatures and ph values.
Enzymes powerpoint and worksheet for ks3 science teachwire. Science home learning task year 9 gcse organisation and. Enzymes worksheet how are enzymes affected by ph, temperature and substrate concentration. Depending on which exam board you do will determine what revision guides are available.
Enzyme powerpoints and powerpoint all free for teachers. Catalysts are added to reactions to speed it up increase the rate. They control chemical reactions that take place in all living things such as digestion, respiration and photosynthesis. A safe bet is cgp for most gcse science revision guides. The diagram below shows the human digestive system. Enzymes enzymes edexcel gcse biology single science. Digestive system worksheet ks3 secondary resources. Enzymes worksheet publisher file editable with answers. Within the fizzing foam, youll find secondary science worksheets that can be used to support existing lessons on ks3 biology, ks3 physics, and ks3 chemistry all of which have been designed by science teachers to accurately reflect the current syllabus. Organisation digestive system ks4gcse biology teaching resources.