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Year 12 Gas Exchange and Digestion Keywords

Across
A membrane-bound disaccharidase that hydrolyses maltose
Muscle that separates the thorax from the abdomen
Exchange system in some fish which maintains a diffusion gradient across the entire width of the gill lamellae
Products of lipase digestion that remain in association with the bile salts
Enzyme that hydrolyses peptide bonds on the terminal amino acids of the peptide molecules
Tiny pores on the body surface of insects
Minute pores found mostly on the underside of the leaf
Enzyme that hydrolyses the between the two amino acids of a dipeptide
Contraction of these muscles between the ribs leads to inspiration
Long muscular tube where food is digested and absorbed
Where water reabsorption occurs
Fibres between the alveoli that allow the alveoli to stretch and recoil
Enzyme that hydrolyses the glycosidic bond between glucose and fructose
Waterproof barrier of a leaf
Enzyme that hydrolyses alternate glycosidic bonds of starch to produce maltose
Down
Lymphatic capillaries
Traps still moist air next to the leaf surface which decreases the water potential gradient between the inside and the outside of leaves
Contraction of these muscles between the ribs leads to expiration
Association of triglycerides with cholestrol and lipoproteins
Process that increases surface area in lipids so that the action of lipases is sped up
Enzyme that hydrolyses peptide bonds between amino acids in the central region of a protein molecule
Finger-like projections of the cell-surface membrane of epithelial cells
Plants that are adapted to living in areas where water is in short supply
One of many small molecules that combine to make a polymer
Small dead-end tubes across which gas exchange in insects occurs
Breathing
Finger-like projections of the wall of the ileum
What happens to the pressure when the volume of the thorax increases
Shape of the diaphragm when it contracts
Enzyme that hydrolyses the glycosidic bond between glucose and galactose
Substance produced by anaerobic respiration which lowers the water potential of muscle cells
Enzyme that hydrolyses the ester bond in triglycerides