嗯，okay. I heard before. I can see it. What is it about? I haven't heard of it before. It's like a is it like a mountain or something? Huh? Mountain or or a hill or a temple? Yeah, Yeah, Yeah. That's pretty cool. I'll ask my parents about it if they know that's pretty cool. Okay, right. Let's get into it. So we're on page 26 of the biology book. Do you have it with you? 26Yeah finish. You finish page 26. Yeah, finish 26. Oh, where did you read up to? So honesti remember? Okay, reading, it's in the last last, this lesson. Maybe not, but we did not we didn't read it in a lesson, but maybe you've done it recently in school. Maybe let me see our history. We have learned about specialized cells, but that's a little different to the let's read it anyway. Yeah, I think this still should be useful, okay, when not be ready. Yeah okay Yeah so we read the 26 yes so. I've let's I don't know this word. Large multicellular organisms ticellular Yeah I think you've seen it before. Multi有。Mullular mullular lular organs are made up of. So are the best bobloto make up the living organs as you. Spthemselves celcarry out. Bacary. Specialize. Speciokay, this is specielse from tenwhich from organiswitfrom organisystem large menorgans have a different system inside them of change, exchanging, changing, exchanging and tranting. My everything starwith some similar or opening two choices, but pieces is a group of smelsimilar cells that work together to Carry out the functioning is an include. That's one type of that's particular. A particular. Function, it can include more than one type of cell. How? Mamals. Mamals, Yeah, it's a type of, it's the type of animal that like gives birth to they're babies rather than having eggs. Like humans are mammals. I think whales are mammals too. Okay. Teachers which to move, whatever is attention to. 高。The Yeah a Yeah. Like have you made glands? Like library glands? Oh, Angela. How those are this? Again, to the which Marks and this. Which makes and secrets makes and our secrekind of call like ameans and homels. Epithelial. Tissue. Obviously, color. Epithelial tissue, thelial tissue, which covers some part of the baby, the inside of the grid. His. Organs, an organ is a group of different, of the work together to perform a kind. The some is, are orgmade of a, which moving the storwere to cut up of the food. 丢勒。Enjoy. Guse es witchbreakers? This. This is the same word as before. Almost. I read it here. Apple apple apple yes. Apost利。Epithelial just means like lining so like the surface of your organs or or whatever you're dealing with Oh. Cool. Appwhich comes outside and inside of the stomach. Yeah, Mr. Start it. Yeah. You know what the stomach is referring to? It's the part of your digestive system with all the acid and mean. Get a diagram. No, hang on, hang on. This bit. So your food comes down and then it comes here where there's a lot of acid, which like helps to break it down more, and then it goes down to the rest. This is the stomach. Read the Green bitnow organs are organized. Okay, Green books Yeah the bit on the left. Organs are organized into organ systems. Organd organ into organ systems an organ system is a group of the organ working together or perform a. Function cut function no. Function function. Stesystem, the system broken down and updates through is made up of these organs guaruh which pardon. Gland. So remember before we were talking about glandula that's relating to glands. The system and smell. Yeah, perfect small intestine. So here on this diagram of the stomach, after the stomach it goes into the if you're watching, it goes into the large intestine. And after the large intestine, it goes into the small intestine, which is this longer one. Yeah. One stathrough the living with the putting tting bell, the small small which about oppose possible possible abwhich appliall water from. And and grasping food living in x six. Boxes theeces es Yeah that just means like two. Also, I think I lied you the food fast goes to the small Yeah the food first goes to the small intestine and then the large one and then it comes out as specieces. Oh, this is okay. Organ system work together to make entire orgorganics x. Organisms, remember this, organs, organ systems. So from the page, you know you know no, you now know, you now know what the organization organization is all about. But career of organization into teachthe teachinto orgthe organs, the orginto gin system, and the gin system into the whole, Yeah. Oh, okay. Now don't look at your book. Now, can you remember what, what, what the smallest objects and what that makes up? And then what that makes up, do you remember the terms. Es? Wait, okay, let me give you, let me give you the which one, which one yourself? Yeah, Yeah, I'm just looking for a cell in general, but you can do epithelial if you want epor o chases. Okay, Yeah. Under a storage and evidence densystem easy, yes. But what are the examples of? So epithelial cells are example of cells. Epithelial tissue is an example of a tissue. What the stomach can example it. Yeah what is the stomach an example of? I don't know. I've got what is like. The stomach, the heart, the liver, what are these things categorize us? Do you have any idea? It begins with it begins of. I'm she's. Do you want the next letter? This is the second letter. Okay, Yeah, exactly. So the stomach is an example of an organ. Oh Yeah. And what's the next step up? Stso. The stomach is here. The stomach is an organ. So what do the just. I don't know. It's still it's all been something. Yes, nice organ system, which in the case of a stomach would be the digestive system. And then what do the organ systems make up? To be honest, normally you won't have this step, so it's not that important, but the book does say it. So artists, I'll give you anyway. It's hard question. I don't know. Okay, this one's organism orgism. So this, I personally don't think this bit is that important, but this section is definitely important that cells make up tissues, make up organs, make up the organ systems. So definitely try and remember these. Yeah, Yeah. Okay, awesome. Let's move on to the next page. As. Enzymes, enzymes. What's mean? The enzymes, you're going to learn about it. It's basic. Have you heard of catalyst? No, okay. A catalyst is something that speeds up a reaction. And enzymes are biological catalysts, so they speed up reactions, and they are organic. Are you with me? Yeah, I go. Okay, let's read the page and see if it helps. And sentences. How to see. Enzymes, okay. Hmm. St catalysts also in a cut. Loss. It's something that speeds up a reaction without getting used at. So for example, like let's say this person is trying to this person is trying to climb the wall, right? Yeah, he's probably going to be very slow at doing that, but if you give him a ladder, it speeds up the reaction. And he can get it faster. But in that process, the ladder is not used up. It still stays. So in this example, you would say the ladder is a catalyst, making the reaction faster, but not getting used up. So. How to say this word cut as list. Yeah, that's a list. A list. Hardened by living tians. And leaving. Of the different chemical religichange. All the time choare to be for. Controlled carefully lled controlled to get the right of mitof. You can use to make make a attention happened more quickly by. Temperature. This would speed up the useful. But also it's a wonderful. One to not good. This is also a limit to how far you can really the time to inside a living carton before it so stays greding then go. So leaving things, who is anything that occurred as. Horlogical political are reading ings are the need for high temperature when you only have energy to speed up the useful chemical vitation in the body. What? A catalyst a catalyst Yeah a catlist is a subth switch in in the speed of the of the of a tation without being. Without being changed or used up been changed or used up in the Yeah do you get what you just read? Yeah okay, nice. And they are all large poand, all popoare made up of pardon proteins. Whole teams are made up of Chinese, of amum. I mean, that's it. A minaccess is Chinese. Chinese, Chinese are follow into a qushop in switch, and they need to do their job. The look and key. Of action, why this ute ute, why these unique shapes are important, important. Okay, why got I'll be back in a few minutes. Is that okay? You can continue reading. Okay. Why acute shadows are important, and they usually only once threatens because the substrate has to fade into the and October. Side. It's a substance and active side, don't much the want to hot. Activity set with the acute shape that fonto the substance in a and same acting on two is usually put of together the aand underground from the organization produce. Where did you get up to for the next Green box? Okay, nice. So you understand the lock and key model? Yeah, of course. Awesome. Okay, that's good. Amateur of ph after the of energy come. Less less collection. It is enzyme catalyzed reactions. Is it look like a correcokay? A higher temperature includes includes of recognition at first, but if it gets to halsome of the bonholding, the engine together break. This changes the shape of the energy activity side so the substance won't fit anymore. They athis side to be dent. The word is substrate. So it's a specific substrate isn't a specific word for enzymes of the thing that reacts onto an enzyme like attaches to the active site substrate. Yeah. Substreet, yes, perfect. What about next word? The substrate won't fit anymore. Won't fit anymore more than me. Like so you have the. You have the ensign, right, with the specific active site, this is back to site. And you have your substrate, which matches exactly to that shape. But what is it saying? If the temperature is too hot, then the shape of this active site will actually change, maybe itbe like this. And if it changes, then the substrate, which is very specific to the original shape, that also won't fit anymore because the shape has changed. Oh, Yeah. So it's very enzymes react with very specific shapes. So once the change, once the shape has changed, it can't attach the things it wants to attach anymore. Okay, Yeah the is set to be tured dentured stay natured. Yeah, that's a really important word. That means that that is the word to describe the shape changing and it not being able to work how it's meant to work anymore. Denatured, very important. Yeah. Okay. All exams are have have an. Optimum optimum Yeah optimum optimum temperature that they move work by that. If ph is too high or too low. Damage of the whole. This changes the shape of the active side and drathe exam of exams. Teenature, and Yeah to the inside, all in them have a opinion ph that they work best. Art is often new tual phc ph seven. But no, always how. Oh, in the stwhen, the when they are condition and work by the ph two enymes speed up chemical rotation, you got to have the reactions reaction. Action, just like you got to have the count key of the looyou, got to have the right substance of the exas. You can see in the but at the top, if you substance didn't fit the in less through the. Does that make sense? Do you understand those graphs? The rate of reaction, the rate of reaction in temperature and rate of reaction in ph graphs? Yeah. Awesome. Okay. Nice. Okay. How are you feeling? Do you want to read on? No, I don't need easy. Okay, let's do the next page. Then next page, let me see. Or do you not want to like do you want to continue reading? Or do you want to do something else? Fine. 2828 yes. Hold say, first of all, investigating. Investigating enzymatic reactions in. 庭。Best. Ating. Ating like. Investigating, finding out more about. About war, about this. The next part is enzymatic reactions. So investigating enzymatic reactions means finding out more about enzymatic reactions or experimenting to find out more about enzymatic reactions. Take. He is one of the investigating the of ph of the activity. The breaks don't the don't to monityou can tell if there retion is a company using item. Soif the storage is still cotains, the idle stoling chain will change from boring origin to blue black. My Matto the drum of the solution. Into every of the springs, tail set up of the water bridge, and Tito certify, try to keep the temperature of the water charout the experiment, using a thing to add ding, one subscriof the of a solution and one squof the pitback button solution one, because these are volumes. Remember volume two? Oh Yeah, remember Yeah, volume two. Using titable holding, put the table into the water boalls and wide of five minutes. Next, use the function of the at square of the solution to the evimakes, the of the body to others, stop looking, use to how long it takes of the. Of the lies to break break down out of the stortch. To do this, use a dropay painting to take the flash sampling from the volume tube every 13s and put the drum into a while when the image a rolarge. It no longer it the with a day before of different ph values to see how ph after an arid. The time taking of the start to be broken down. Remember to control any rubers each time and volume of the items to make its full test. Wow, it's an interesting test. Yeah, a lot of steps. Easy, easy. I doing the school you have okay, an is how to calculate the rule and attention world is a masense of how much something changing over time. For the middle above you can calculate the roof, the rection, using the freedom at speed six, the time taking of the, to bring down the storis. An tial solution was a 19s. So the red of the reone thousand divide by 19, equal eleven. If if an how much something change over time, you can calit right by damaging the upturned. It has a change by the time taken. Example, an Draan. Getting or John ing getting into the activity of the 24 century of the was in 50s the road of the in square. Okay, you then need to read the next part. Just try and do it yourself. Journey investigation. Yeah, it shouldn't be that hard. This is 1424 is a scoand. The is is a 50s. So it's a 4024 divide by 15 is. Zero point 48. Yeah, okay. And what are the units? What are the units? The unit c and squared by s, is that correct? No. Ise, the square, it's no truth. A, sweet, Yeah, exactly. It's cubed. Q, Oh, all right. We also see the spread. Okay. Let's do the last box is also a question. So you can do that as well. I think itbe similar all to you could you can a whole the rating of the amaactivity you could okay, let me see this question. I don't want to keep you reading. Yeah. After if. 36 and square of 14. There's an easy question. No heart. Yeah, I say this question is easy, so let me. A time so it is 13 six divided by 120Yeah 120s equal zero finish. 0.3 and that's finished. I'll see cusee m cute. Bye. Okay, nice easy. Yeah, nice job. Okay, you can give me some questions. Actually, we have six minutes. Are any more questions? Why not? All right, let's find some enzyme related questions then. Biology, biology revision aqa, the enzyme would be in cell biology, I think. Now why would enzymes be infection and response? Why can. I find inside question. Hang on a second. Take you. So organienzymes and circulation. Organizi can't find any enzyme related questions, but we can do tissues, organs and sisince that's related to what we did. Shall we do that? Let's do questions on tissues organization and systems because we did that today as well. Okay. There you go. This this is a big question. This is a six marker. Oh no, so good luck. Try your best. Good look. Alright, let me see. And break. Wow, have you done food tests yet? No, I anything and not do this test before you haven't done it before. Yeah. Okay, let me find a different question then. Okay. You're doing the higher paper, right? Yeah. Have you done different types of plant tissues? Yes, you have. Let's do a foundation one then since maybe. These are all three. Okay. Let's do this. Get rid of this question. You see it? Yeah, I see. It's an easy question. But then there's more parts. So just quickly answer that one and then I'll show you the rest. So the is the audiyeah exactly easy easy. Okay, next part. This and this. These are all multiple choice. Okay. You can draw on it, you can use your pen and this. Is a. Yes yes yes, okay, finish. Nice. Next part. Oh, wait, you already did it. Yeah, that's right as well. Oh, okay, I get it. Yeah, it is let's this is your last one because we only have one minute. Oh, you. You can see the diagram. Yeah, you need to be right. Okay. The. 92. Okay, y. Okay, let's see. This is the lox scheme. Are you finished with your answer? Yes. So it's a two mark question. The first bit is to allow light to PaaS through, to allow light to get through. I think actually that does not count. Yeah because it's said to ignore it. So you needed to say to specifically reach the chloroplaor, to reach the other cells or to reach lower layers. You can't just say it gets it says ignore. Yeah and then you had to say for photosynthesis as well. Okay, okay, noted for next time. Okay, awesome. Nice. I will same thing as what I said with physics. Like I'll set you what I think you should do for this week and after that you can determine yourself how many pages to read and such. Yeah, no problem. See you. See you. Bye bye.