→ Biology - The Digestive System → Оқуды бастаңыз / MP3 флэш-карталарын жүктеу

сұрақ		жауап
What is digestion? оқуды бастаңыз		The process of breaking down large, insoluble food molecules into small, soluble molecules that can be absorbed into the bloodstream.
What is a biological catalyst? оқуды бастаңыз		an enzyme that speeds up chemical reactions in living organisms without being used up.
What are enzymes made of? оқуды бастаңыз		Proteins with a specific shape.
What is the active site? оқуды бастаңыз		The part of an enzyme where the substrate fits and the reaction happens.
What is the lock and key theory? оқуды бастаңыз		substrate fits into an enzyme’s active site because they have complementary shapes.
What is the mechanical digestion? оқуды бастаңыз		The physical breakdown of food into smaller pieces.
What is chemical digestion? оқуды бастаңыз		The breakdown of food using enzymes.
Why is increasing surface area important? оқуды бастаңыз		A larger surface area allows enzymes to work faster because more particles are exposed.

Biology - The Digestive System