Block Biology Unit 1 Review Guide Answers FALL 2010

1 Carbohydrates Lipids Nucleic Acids Proteins

2 A small molecule that, when put together with others, makes a larger molecule. Or A molecular subunit of a polymer.

3 Carbon Hydrogen Oxygen

4 Sugars & Starches

5 To make energy

6 Rice, pasta, bread, cake, sweets

7 Amino acid

8 Fight infections Build bones & muscles Catalyze (speed up) reactions Chemical messengers/transporters

9 Carbon Hydrogen Oxygen Nitrogen

10 Enzyme

11 Antibody (pl: antibodies)

12 In Ribosomes

13 Fats Oils Waxes Steroids (ex: cholesterol, testosterone)

14 Main function: Store energy Other smaller functions: Make the cell membrane Chemical messengers Waterproofing

15 DNA & RNA

16 Nucleotides

17 Carbon Hydrogen Oxygen Nitrogen Phosphorus

18 It lowers the activation energy needed to start the reaction. Less energy required = get job done faster

19

20 pH changes High temperatures Salty environments

21 An unequal sharing of electrons between a large molecule (like oxygen) and a small molecule (like hydrogen).

22 Because the oxygen in a water molecule can pull on the electrons with a greater force than both of the hydrogens can. So, the oxygen becomes slightly negative and the hydrogens become slightly positive.

23 Hydrogen bonds

24 Cohesion Adhesion Capillary action Surface tension High specific heat High heat of vaporization Solvent abilities Density

25 35oC This is true because 35oC is the temperature where the most product was produced. More active the enzyme is = the more product produced

26 Prokaryote Eukaryote

27 Ribosome

28 Golgi apparatus

29 bacteria, plants, fungi and algae

30 ALL CELLS!!!

31 ALL CELLS!!!

32 Eukaryotes = plants, animals, fungi, and protists

33 plants, animals, fungi, and protists

34 Bacteria (this is the only example!!)

35 Mitochondria

36 Chloroplast

37 It decides what gets to come in/go out of the cell.

38 It controls the cell just like a mayor controls the city.

39 It give the cell internal support and structure, just like our skeleton does.

40 It stores food & water, just like a pantry.

41 1.) All living things are made of cells. 2.) The cell is the basic unit of structure of living things. (Anything smaller than a cell is not living.) 3.) All cells come from other existing cells.

Questions for Mr. Curtis? ????????