Digestive System and Enzymes

produce amylase

produce pepsin

absorb water

absorb nutrients

mouth

stomach

small intestine

large intestine

It takes food and breaks it down chemically and physically

It only breaks down chemically

It lets you breathe while you eat.

It only breaks down physically

Kidney

Pancreas

Liver

Small intestine

mechanical digestion

chemical digestion

bloodstream

stomach

esophagus

kidneys

stomach

large intestine

small intestine

esophagus

nucleic acids

proteins

lipids

carbohydrates

15 C

40 C

30 C

substrate

product

codon

none of the above

enzymes raise the activation energy needed to get a reaction started

they slow down chemical reactions

they speed up chemical reactions

enzymes combine products to form reactants 

The enzymes die.

The shapes of the enzyme are altered or denatured

The enzymes' amino acid sequence changes.

The enzymes remain the same

Cells function best at low pH values

Cells function fine at all pH values

Cells function best at high pH values

Cells do not function well if the pH is too high or too low

lowering the activation energy.

raising the activation energy.

releasing energy.

absorbing energy.