What is the energy used in organisms called

Carbon dioxideThey are able to convert carbon dioxide into oxygen and glucose, a common sugar consumed by most organisms. They do this through a process called photosynthesis which allows the plants to use sunlight as a source of energy.

Energy used in organisms is called cells

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

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