'Polar phosphate group' presentation slideshows

Lipids

Lipids. Lipids. Made up of C, H and O Can exist as fats, oils and waxes They are insoluble in water They are a good source of energy (9 k cal / g ) They are poor conductors of heat Most fats & oils are triglycerides. Lipids. Biomolecules that contain fatty acids or a steroid nucleus.

2.04k views • 20 slides

Cell Membrane Structure / Function and Cell Transport Ms. Kim Honors Biology

Cell Membrane Structure / Function and Cell Transport Ms. Kim Honors Biology. Cell membrane. The Cell Membrane. Thin, flexible, surround all cells Controls the traffic of molecules into and out of the cell (school doors/fence/security guards)

885 views • 17 slides

Macronutrients

Carbohydrates Lipids Proteins Nucleic acids. Macronutrients. Carbohydrates. Most important source of energy for the body Found in plants Made of C, H and O Monosaccharides (glucose, fructose, galactose) Disaccharides, made of two monosaccharides

320 views • 13 slides

Plasma Membrane

Plasma Membrane . Outer boundary of a cell Gatekeeper - controls what enters and leaves the cell. Selective Permeability. Only certain molecules pass through the membrane Factors affecting permeability: size solubility charge (ions or uncharged molecules). Phospholipid Molecule.

253 views • 9 slides

The Cell Membrane

75 views • 5 slides