Digestion key words

Digestion is....

• the breakdown of large soluble molecules into small insoluble ones

• the breakdown of large insoluble molecules into small soluble ones

• the breakdown of small soluble molecules into large insoluble ones

• the breakdown of small insoluble molecules into large soluble ones

The digestive system is the organ system where food is digested and absorbed

• True

• False

Carbohydrates are broken down into...

• amino acids

• fatty acids

• fatty acids and glycerol

• glucose

Proteins are broken down into...

• amino acids

• fatty acids

• fatty acids and glycerol

• glucose

Lipids are broken down into...

• amino acids

• fatty acids

• fatty acids and glycerol

• glucose

Stomach acid is.....

• hydrochloric acid

• nitric acid

• sulfuric acid

Enzymes are....

• biological catalysts that slow down reactions and remain unchanged by the reaction

• biological catalysts that speed up reactions and remain unchanged by the reaction

• biological catalysts that slow down reactions and are changed by the reaction

• biological catalysts that speed up reactions and are changed by the reaction

The area on an enzyme where the substrate attaches is called the

• action site

• action space

• active space

• active site

Amino acids are

• the monomers used to build carbohydrates

• the monomers used to build lipids

• the monomers used to build proteins

The temperature or pH at which an enzyme works best is called it's ......

• optimal

• optimum

• ideal

• perfect