1. Bio A Exam Review

2. Are you Ready? 1.Yes 2.No 10

3. When an organism maintains stable internal conditions it is called: 1.Balancing 2.Homeostasis 3.Organization 4.Reproduction 12

4. What three elements are found in carbohydrates and lipids? 1.C, N, O 2.P, N, O 3.H, P, N 4.C, H, O 20

5. The smaller pieces that make up macromolecules are called: 1.Monomers 2.Monosaccharides 3.Triglycerides 4.Polymers 20

6. This type of protein is responsible for speeding up reactions: 1.Enzymes 2.Antibodies 3.Structural 4.Carrier Molecules 20

7. The monomer for carbohydrates is: 1.Polysaccharide 2.Glycerol 3.Amino acid 4.Monosaccharide 20

8. DNA and RNA are common varieties of this organic molecule: 1.Carbohydrate 2.Nucleic Acid 3.Protein 4.Lipids 20

9. The monomer for Nucleic acids is the: 1.Amino acids 2.Monosaccharide 3.Fatty acid 4.Nucleotide 20

10. Three or more monosaccharides chemically bonded are called: 1.Glycogen 2.Diasaccharides 3.Polysaccharides 4.Nucleic Acids 10

11. Which organelle holds the cell’s DNA? 1.Cell membrane 2.Nucleus 3.Golgi 4.Vacuole 20

12. Which organelle is the powerhouse of the cell? 1.Flagella 2.Cell wall 3.Lysosome 4.Mitochondria 20

13. This organelle controls what enters and leaves the cell: 1.Cillia 2.Nucleus 3.Cell membrane 4.Cytoskeleton 20

14. Every cell contains a jell-like substance that cushions organelles called 1.Endoplasmic Reticulum 2.Golgi 3.Cytoplasm 4.Mitochondria 20

15. This organelle digests food particles and “old” cell parts 1.Nucleolus 2.Chloroplast 3.Mitochondria 4.Lysosome 20

16. Which of the following are only in plant cells? 20 1.Nucleus 2.Golgi 3.Chloroplast 4.Lysosomes 20

17. These are found on the ER and throughout the cytoplasm: proteins are assembled here 1.Ribosomes 2.Centrioles 3.Lysosomes 4.Cytoskeleton 20

18. This organelle modifies, sorts, and packages proteins from the ER for storage or release : 20 1.Golgi apparatus 2.Nucleus 3.Ribosome 4.Endoplasmic reticulum 20

19. This is where photosynthesis takes place 20 1.Lysosomes 2.Mitochondria 3.Chloroplasts 20

20. This organelle is found outside the cell membrane in plants, provides support and shape 1.Cytoskeleton 2.Centrioles 3.Cell Wall 4.Cilia 20

21. Does passive transport require energy? 1.Yes 2.No 20

22. The diffusion of water through the cell membrane is called? 1.Endocytosis 2.Exocytosis 3.Osmosis 4.Photosynthesis 20

23. A Hypertonic solution is when there is ________ salt in the environment than in the cell. 1.More 2.Less 20

24. In a hypertonic environment the cell with ____________. 1.Shrink 2.Grow 20

25. In a hypotonic environment water will move _________ the cell. 1.Out of 2.Into 20

26. A ________________ environment has the equal salt concentrations both inside and outside of the cell. 1.Hypertonic 2.Hypotonic 3.Isotonic 20

27. Plant cells prefer a ___________ environment. 20 1.Hypertonic 2.Hypotonic 3.Isotonic 20

28. An organisms ability to maintain a stable internal environment is called __________. 1.Homeostasis 2.Metabolism 3.Reproduction 20

29. In the gummy bear lab, the independent variable was the 1.Gummy bears 2.Type of solution 3.Time spent in solution 4.Growth of gummy bear 10

30. In the gummy bear lab, what was the dependent variable? 1.Gummy bears 2.Type of solution 3.Growth of gummy bears 4.Time spent in solution 10

31. Which of the following is NOT an organic compound? 1.Protein 2.Lipid 3.Water 4.Carbohydrates 5.Nucleic acids 10

32. Monomers of lipids are 1.Fatty acids 2.Glycerol 3.Glucose 4.Both 1 and 2 10

33. Butter is an example of 1.Protein 2.Lipid 3.Carbohydrate 4.Nucleic Acid 10

34. The organelle that is responsible for producing ATP (energy) 1.Chloroplast 2.Vacuole 3.Nucleus 4.Mitochondria 10

35. Which type of cell would need large amounts of ATP? 1.Skin cell 2.Muscle cell 3.Hair cell 10

36. Which of the following would be the best hypothesis for the gummy bear lab? 1.Will the gummy bear will shrink in salt water 2.I think that the gummy bear will shrink in salt water. 3.If I place the gummy bear in salt water then it will shrink. 4.If I place the gummy bears in solutions, then I will be able to tell if it is hyper, hypo or isotonic. 10

37. Carbon has 4 electrons in it’s outer shell, so it can form ____ bonds. 1.2 2.4 3.8 4.16 10

38. A plant cell that shrinks might go through 1.Plasmolysis 2.Diffusion 3.Bursting 4.Cyotkinesis 10

39. How are carbohydrates and water related? 1.Both dissolve things 2.Both give us energy 3.Both have amino groups 4.Both contain a 2 Hydrogen : 1 oxygen ratio 10

40. Which molecules contain a carboxyl group? 1.Proteins 2.Lipids 3.Carbohydrates 4.Proteins and Lipids 10

41. What does a Carboxyl Group look like? 1. 2. 3. 10

42. What does an Amino Group look like? 1. 2. 3. 10

43. Which group contains amino groups? 1.Proteins 2.Lipids 3.Carbohydrates 10