Across
- 2. What is a model that assumes an enzyme and substrate have a rigid interaction with each other, where a substrate fits in a key-like fashion to its lock, the enzyme, turning on the reaction?
- 5. What is a substance consisting of atoms which all have the same number of protons?
- 6. What is the sticking together of alike molecules, such as water molecules being attracted to another water molecule?
- 7. What are proteins that act as catalysts within living cells?
- 8. What is a substance capable of initiating or speeding up a chemical reaction?
- 9. What are acids consisting of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base attached to a sugar phosphate?
- 12. What is a molecule composed of polymers of amino acids joined together by peptide bonds?
- 13. What is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound?
- 17. What is a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms?
- 20. What is a large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight?
- 21. What is a measure of the hydrogen ion concentration of a solution?
- 23. What is a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom?
- 24. What is the force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies?
- 25. What is a part of DNA that controls physical characteristics and growth
Down
- 1. What are molecular compounds made from just three elements: carbon, hydrogen and oxygen?
- 3. What is one of two or more versions of a gene?
- 4. What are large molecules composed of many similar smaller molecules linked together?
- 10. What is a chemical bond formed between two ions with opposite charges?
- 11. What is the basic unit of a chemical element?
- 14. What is a chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule?
- 15. What is a series of sweet-tasting, crystalline carbohydrates, especially a simple sugar or a chain of two or more simple sugars?
- 16. What is a chemical reaction that builds up molecules by losing water molecules?
- 18. What are the building blocks of all biological proteins?
- 19. What is an organic molecule of biological origin that is insoluble in water and soluble in non-polar solvents?
- 22. What is a molecule that can combine with others of the same kind to form a polymer?