→ Biology - The Digestive System → Start Learning / Flashcards Téléchargement MP3

question		réponse
What is digestion? commencer à apprendre		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? commencer à apprendre		an enzyme that speeds up chemical reactions in living organisms without being used up.
What are enzymes made of? commencer à apprendre		Proteins with a specific shape.
What is the active site? commencer à apprendre		The part of an enzyme where the substrate fits and the reaction happens.
What is the lock and key theory? commencer à apprendre		substrate fits into an enzyme’s active site because they have complementary shapes.
What is the mechanical digestion? commencer à apprendre		The physical breakdown of food into smaller pieces.
What is chemical digestion? commencer à apprendre		The breakdown of food using enzymes.
Why is increasing surface area important? commencer à apprendre		A larger surface area allows enzymes to work faster because more particles are exposed.

Biology - The Digestive System