biology

1. obtain their carbon from CO2
7. one of two strongest bonds
10. allows for membrane fluidity
13. can undergo reactions that release a large amount of energy
14. not known to be infectious to humans
15. a statement that describes a natural occurrence that appears to always be true
17. A substance consisting of two or more different elements combined in a fixed ratio
18. Neither the experimental subjects, nor the experimenter, knows which treatment each subject receives
22. Pathogenic bacteria typically cause illness by producing poison
23. based on the H+ ion concentration
24. can be broken down into glucose monomers by an enzyme called

1. a proposed explanation for a phenomenon that can lead to testable predictions
2. essential to cells as they are the main components of cell membranes
3. what cannot be measured by science?
4. substance that does not have an affinity for water
5. a group of individuals who are not exposed to a particular experimental treatment
6. the substance dissolved in a solution
8. occurs when water molecules move fast enough to break the hydrogen bonds between them and enter a gaseous state
9. misfolding of proteins is a serious problem in cells that can lead to diseases including
11. type of nucleic acid
12. a term that describes how many covalent bonds an atom can form
16. This can lower the pH of seawater, thus affecting water-based life forms
19. pleated sheets
20. the functional phosphate group
21. formed by the peptide bonding of amino acids to each other in long chains