Across
- 5. Any element or compound that is equal to its atomic weight or molecular weight weighed out in grams.
- 7. The measure of hydrogen ion concentration of a solution (in moles per liter).
- 8. This is a modified simple sugar (a sugar alcohol).
- 12. These are single-chain or single-ring structures containing from three to seven carbon atoms.
- 15. Synthesis The acid group of one amino acid is bonded to the amine group of the next, with the loss of a water molecule.
- 16. A long double stranded polymer -a double chain of nucleotides.
- 18. Substances that increase the rate of a chemical reactions without themselves becoming chemically changed or part of the product.
- 19. These are heterogeneous mixtures, which means that their composition is dissimilar in different areas of the mixture.
- 20. The most abundant and important inorganic compound in living matter.
- 23. These are unique substances that cannot be decomposed into simpler substances by ordinary chemical methods.
- 27. Ion An important base in the body, that is particularly abundant in the blood.
- 29. These have the same molecular formula, their atoms are arranged differently and giving them different chemical properties.
- 30. Structure The sequence of amino acids that forms a polypeptide chain.
- 31. A type of globular proteins that act as biological catalyst.
- 33. These have a sour taste, can react with many metals and burn a hole in your rug.
- 34. Acids Composed of carbon, oxygen hydrogen, nitrogen and phosphorus, are the largest molecules in the body.
- 36. Energy These are energy that travels in waves.
- 37. This has a bitter taste that feels slippery and are proton acceptors, that is they take up hydrogen ions (H+) in detectable amounts.
- 39. Bases This easily dissociates easily in water and quickly ties up H+.
- 40. These have the same number of protons and electrons but differ in the number of neutrons they contain.
- 41. These are diverse lipids chiefly derived from 20-carbon fatty acid (arachidonic acid) found in all membranes.
- 42. These are substances composed of two or more components physically intermixed.
- 44. The capacity to do work or to put matter into motion.
- 46. These are heterogeneous mixtures with large, often visible solutes that tend to settle out.
- 47. Bonds A chemical bond between atoms is formed by the transfer of one or more electrons from one atom to the other.
- 48. This is called the energy of action.
Down
- 1. Structure Two or more polypeptide chains, each with their own tertiary structure combine to form a functional protein.
- 2. A combination of two or more atoms held together by chemical bonds
- 3. Energy The amount of energy needed to break the bonds of the reactants so they can rearrange themselves and become the product.
- 4. Acids These are the building blocks of protein molecules.
- 6. The storage of carbohydrates formed by plants.
- 7. These are polymers of simple sugars linked together by dehydration synthesis.
- 9. A group of molecules that includes sugars and starches.
- 10. These are homogeneous mixtures of components that may be gases, liquids or solids.
- 11. Anything that can occupies space and has mass
- 13. Peptide bonds linking amino acids together are broken when water is added to the bond.
- 14. These are insoluble in water but dissolve readily in other lipids and in organic solvents such as alcohol and ether.
- 17. This mixture has the same composition or makeup throughout.
- 21. Single strands of nucleotides.
- 22. This is found in cell membranes and is the raw material for synthesis of vitamin D, steroid hormones and bile salts.
- 23. A type of energy which results from the movement of charged particles.
- 24. Flat molecules made of four interlocking hydrocarbon rings.
- 25. Living cells are extraordinarily sensitive to even slight changes in the pH of the environment.
- 26. Number An atom is the sum of the masses of its protons and neutrons.
- 28. The process of atomic decay.
- 32. This is formed when two monosaccharides are joined by dehydration synthesis.
- 33. The universal energy compound of body cells.
- 35. This is the substance on which enzymes act.
- 38. The study of chemical composition and reactions of living matter.
- 43. An ionic compound containing cations other than H+ and anions other than the hydroxy ion.
- 45. Reaction This occurs when a molecule is broken down into smaller molecules or its constituent atoms.