Instead of defining life, scientists have decided to
describe the characteristics of life
not differentiate between living and non-living
qualify living things as things that can move
qualify living things as highly complex

Describe the characteristics of life

Explanation:

It's more open to defining what you need to do or have to be alive or be consider a life that gives a close definition of life.

This is a scientific way to group any kind of life on one definition. Not all living things are the same or show the same living things.

i would go with b

cytokinesis occurs after telophase so that eliminates d

and the entire reason for cytokinesis is for cellular reproduction

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products