enzymesOther contributors have said "What kinds of proteins are needed for most cellular activities?" is the same question as "Which kinds of proteins are needed for most cellular activities?"good job answers.com
On the cellular level, it is the endoplasmic reticulum which processes and transports proteins.
Ribosomes.
Enzymes
mithochondrion
Viruses do produce cellular proteins that are necessary for viral synthesis.
enzymesOther contributors have said "What kinds of proteins are needed for most cellular activities?" is the same question as "Which kinds of proteins are needed for most cellular activities?"good job answers.com
proteins
enzymesOther contributors have said "What kinds of proteins are needed for most cellular activities?" is the same question as "Which kinds of proteins are needed for most cellular activities?"good job answers.com
On the cellular level, it is the endoplasmic reticulum which processes and transports proteins.
Almost every single cellular function we do is performed by proteins.
Almost every single cellular function we do is performed by proteins.
Proteins.
Energy in to food proteins
Ribosomes.
proteins
Receptor proteins are intracellular proteins. Two ways in which they affect cellular activity are through inducement of transitions to cells and to speed up chemical reactions in cells.