QUESTIONS AND SOLUTIONS RATED A+
✔✔Peptides - ✔✔Protein molecules consisting of amino acids held together by peptide
bonds.
✔✔Polypeptide - ✔✔Formed from many amino acids bound into a chain and have
specialized functions
✔✔Lipids - ✔✔Composed of carbon, hydrogen and oxygen and are not soluble in water
✔✔Most common lipids - ✔✔triglycerides, phospholipids, steroids
✔✔Prostaglandins - ✔✔Derivatives of an essential fatty acid that are widely distributed
in cells throughout the body
✔✔Phospholipids - ✔✔A type of lipid that comprises the cell membrane
✔✔Vitamins - ✔✔Organic compounds that are required for normal metabolism and are
classified by their solubility
✔✔Fat soluble vitamins - ✔✔A, D, E, K
✔✔water soluble vitamins - ✔✔B and C
✔✔Nucleic Acids - ✔✔Large organic molecules formed by the joining of man smaller
molecules (nucleotides)
✔✔Fluid Balance - ✔✔The process of maintaining homeostasis through equal intake
and output of fluids.
✔✔Solute - ✔✔the substance that is dissolved
✔✔Organelles - ✔✔Structures in side the cells which use oxygen to release energy
from nutrients such as glucose and drive metabolic activities
✔✔Cellular respiration - ✔✔Process that releases energy by breaking down glucose
and other food molecules in the presence of oxygen
✔✔Synthesis Reaction (Anabolism) - ✔✔A + B --> AB
✔✔decomposition reaction (catabolism) - ✔✔AB --> A + B
, ✔✔exchange reactions (metathesis reactions) - ✔✔A reversible reaction which depends
on the relative proportions of reactants and products
✔✔Catabolism - ✔✔Chemical reactions occur that result in the breakdown of larger
molecules into smaller ones
✔✔Adenosine Triposphate (ATP) - ✔✔Powerful energy source of the body and is used
to drive chemical reactions
✔✔Anabolism - ✔✔Building or larger substances from smaller substance and require
ATP
✔✔Electrolytes - ✔✔Substances that release ions in water
✔✔Solution - ✔✔a mixture of two or more substances
✔✔Solvent - ✔✔Fluid which does the dissolving or contained the dissolved components
✔✔sodium-potassium pump - ✔✔Fueled by the presence of insulin and epinephrine
✔✔Acids - ✔✔electrolytes that release hydrogen ions in water
✔✔Simple Squamous - ✔✔epithelium: singer layer of flat cells; lines inside wall of blood
vessels, forms walls of capillaries and lung air sacs - absorption by diffusion, filtration,
osmosis; secretion
Filtration in kidneys
✔✔Simple Cuboidal - ✔✔Cube shaped single layer of cells
Lines kidney tubules and aids in water and electrolyte absorption
Lines ovary surface and secretes enzymes and hormones
✔✔Simple Columnar - ✔✔Single layer of tall cells;
Lines stomach and intestines in which it provides protection, secretes enzymes, and
absorbs nutrients
Lines the respiratory tract and moves foreign material away from lungs (cilia)
✔✔pseudostratified columnar - ✔✔Single layer of cells with different heights
Lines upper respiratory passages and provided mucus secretion
Lines Fallopian tubes and moves egg toward the uterus
✔✔stratified squamous - ✔✔Multiple cell layers which protect the outer layers of skin,
mouth, vagina and anus