Microorganisms in the soil release enzymes to digest dead leaves. (a) Explain how enzymes catalyse chemical reactions.
(b) Protease and cellulase are two enzymes secreted by soil microorganisms. Protease digests
protein.
Suggest what part of the dead leaf cells are digested by the enzyme cellulase.

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Granite rock is light in color. which feature directly contributes to this color? the process that forms granite the amount of silica minerals in granite the shape of the grains found in granite the unique pattern formed by grains in granite

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport