What is the basic buuildings block for all organisms

Cells as Building Blocks

A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.

Cells are the basic building blocks of all organisms.

Explanation:

A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.