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Crucigrama Sopa de Letras Hoja de Trabajo
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2.1 Molecules of Life

Horizontales
Fats and oils- do not dissolve well in water or blood
Very different structure, four-ring backbone,
A small fraction of water molecules dissociate to make hydrogen atoms and hydroxide ions. If a substance has more H+ it is an acid, more OH- make it a base.
Makes up about 2/3 of the mass of the human body
Composed of a glycerol molecule with 1,2, or 3 fatty acids attached, to make mono, di, and triglycerides. They are important energy storage molecules
All consist of an amino group, an acid group, and a central carbon in between, with a hydrogen and a residual group attached to the carbon
Is a common energy source. A large amount is stored in the bonds between phosphates.
Verticales
Tend to form bilayers, liposomes, or micelles with heads facing water and tails adjacent to each other
Base pairs: A&U, C&G; several forms- messenger __, transfer __, ribosomal __, and regulatory __
Base pairs: A&T, C&G, ___ sequence is called the human genome and ___ provides blueprints for making proteins