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Functional categories of proteins

Across
Help speed up reactions and are not used up in the reaction
This category of protein is used to bind metal ions
Type of secondary structure in protein
Decrease activation energy for a chemical reaction
Breaks down hydrogen peroxide into water and oxygen
This type of protein makes up cell walls
Down
Generally have a more compact and round shape and have functional roles
Generally composed of long and narrow strands that have a structural role
Basic monomer that makes up a protein
This functional category of protein is involved in the movement of molecules and ions across membranes
Can be arranged in antiparallel or parallel arrangement
Cell locomotion, contraction of muscle and cell division involve this category of protein
Antibodies are an example of proteins in this functional category
Catalyze chemical reactions in a cell