Answer:
Reactants= Products
Explanation:
Reactants are what are required to start the reaction. Products are the ending result.
The four characteristics of a mineral are:
1. Cleavage- the way it breaks, whether flat or roughly.
2. Luster- the way light reflects off of it, i.e. pearly, shiny, etc.
3. Streak- the color that its powder is
4. Hardness, for example, diamond is the hardest mineral, this is usually measured on the Mohs scale.
Functions of cell surface Receptors .
most ligands responsible for cell-cell signaling ( including neurotransmitters, peptide, hormones, and growth factors) bind to receptors on the surface of their target cells.
Plant cells have a cell wall that adds an additional layer of protection from the external environment.
both eyes accounting for about 0.02% of body mass
