Creado por originalchild
hace alrededor de 11 años
|
||
Pregunta | Respuesta |
the digestive system breaks down large insoluble molecules into ? | smaller molecules |
what does the chemical breakdown of food depend on | digestive enzymes |
name the 3 types of food molecules | carbs, proteins and fats |
name some carbs ? | bread potatoes rice |
what are carbs made of | h2o , c ,o2 |
what is the simplest carb | sugar |
how does sugar develop into starch | it is built up |
name a complex carb | starch |
what are digestive enzymes that break down carbs are called | carbohydrase |
name another group of carbohydrases | amylase |
what is amylases job | break down starch into sugar |
when starch is broken down into sugar wheere can it be absorbed | small intestine |
starch into sugar can be broken down in g_______ | glucose by other carbohydrates |
where is amylase present and made and released | saliva and made in the pancreas and released into the small intestine |
what enzyme breaks down proteins | protease |
describe the process protease to amino acids | protease(enzymes) -->shorter chains -->amino acids |
name a protease in the stomach | pepsin |
what type of conditions does pepsin work best at | acidic |
what is the ph of the acid produced in the stomach | ph 2-3 |
what does the optimum of a ph mean | reached its limit everything will stay at a constant |
why is ph 2-3 a good condition for pepsin | it can break down protein as fast a possible |
is the small intestine an alkaline or antacid | alkaline |
what is the small intestines best working condition | ph 8 |
what enzymes digest fats | lipases |
what is produced by lipase's | fatty acids and glycerol |
what is formed by fats and oils trying to mix | globules |
globules form? | watery digestive juices |
what do large globules have ? | small surface areas to volume ratio |
largue globules have small surface area to volume ratio meaning? | lipases can ony break fat molecules slowly |
where is bile from | gall bladder |
what forms an emulsion | bile breaks down the large globules into tiny droplets |
bile e______ fat | emulsifies |
what is good about having a large surface area | the smaller droplets allow the lipase break down the fat molecules rapidly |
when is bile released | after a fatty meal |
what makes faeces brown | BILE |
what makes faeces brown | BILE |
what word ending are usually enzyme | ase |
name two jobs for bile | neutralises the acid from the stomach. produces a slightly alkaline environment |
¿Quieres crear tus propias Fichas gratiscon GoConqr? Más información.