STAT 2230 Chapter Notes - Chapter 2: Adenine, Cytosine, Phospholipid
24 Jan 2015
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Document Summary
Atoms: are the smallest units that have properties of any given element composed of particles protons, neutrons and electrons protons have a positive electric and the neutrons are uncharged they make up the nucleus of an atom atomic number = protons negatively charged electrons are found outside the nucleus in an electron cloud electrons are attracted to the positively charged nucleus a neural atom has an equal number of electrons to protons electrically charged ions do not have an equal number of protons to electrons. Macromolecules: carbohydrates: provide major source of energy simple carbs are composed of hydrogen, oxygen and carbon glucose is a simple sugar monosaccarhide, consists of a single ring shape disaccharides are 2 rings composed of glucose and fructose which is sugar in fruits joining subunits such as monomers makes polymers polymers os sugar are called polysaccarhides cellulose in plant cell walls is a polysaccarhide.
