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1. cell the smallest unit able to carry out life processes
2. matter anything that takes up space and has mass
3. element building blocks of matter, cannot be broken down my chemical means
4. atom smallest unit of an element that still retains the chemical and physical properties
of the element
5. C, O, H, N the four main elements found in the body
6. covalent the strongest chemical bond
7. organic mole- carbohydrates, lipids, proteins, and nucleic acids are the 4 categories of what
cules
8. dehydration re- type of synthesis reaction bringing 2 monomers together, water as product
action
9. hydrolysis reac- the break down of molecules when water is added
tion
10. carbohydrate function for quick and short-term energy storage
11. monosaccharide one monomer, one ring
12. nutrient food component needed to perform a physiological function
13. monosaccharide glucose, fructose, and galactose are examples of what
14. disaccharides 2 monosaccharides covalently bonded to eachother
15. disaccharides maltose, sucrose, and lactose are examples of what
16. polysaccharides long chains of monosaccharides that store energy and provide structure
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, BIO 161 exam 1
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17. polysaccharides starch, glycogen, and cellulose are examples of what
18. lipids these macromolecules store energy, form membranes, and insulate
19. fats animal in origin, solid at room temperature, long term energy storage, and cush-
ions
20. oils plant origin, liquid at room temp
21. emulsifiers cause fats to mix with water, surround the lipid with nonpolar tails in, used in
laundry and the digestive system
22. phospholipids phosphate head with a lipid tail, primary components of cell membranes
23. steroids lipids with 4-5 fused carbon rings, component of membranes
24. proteins macromolecules with amino acid subunits, have many functions including en-
zymes, hair and nails, transport, defense, hormones, and movement
25. 20 number of amino acids
26. peptide bond covalent bond between 2 amino acids
27. polypeptide 3 or more amino acids linked together
28. primary structure linear order of amino acids
29. secondary struc- localized folding into pleated sheets and helices, held by h bonds
ture
30. tertiary structure 3d structure of proteins in space
31. quaternary struc- combination of more than 1 polypeptide
ture
32. denaturfication at high temps and ph extremes this happens to proteins
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