Take Practice Test: On a separate sheet of paper write down numbers 1-75. 1. 2. 3. through 75. Indicate which ones you got correct with + or - . Use the grade breakdown to check your score.
This is the Benchmark Grade Breakdown Grade # Correct Points Earned A 71-75213-225 B 64-70192-210 C 53-63159-189 D 46-52138-156 F 0-450-135
A B D C 1.( I & E 1a) Of the different graphs above, which one looks like the graph we saw in our CBL results of temperature? A. Pie Chart B. Bar Graph C. line Graph D. Scatter Graph
2. (I&E 1.f.) It is important to remember, that a set of ideas can become theory if which of the following occurs? • Some evidence supports the idea. • The idea is debated in the scientific community and the idea is deemed true. • C. Scientist believe idea is true & will not change over time. • D. Idea is widely demonstrated over time & idea continues to have consistent results, observations, and trends.
3. (I&E 1.j.) After any experiment and before drawing any conclusions all scientist must do the following? • Retest but use a different variable. • Retest with an additional variable change. • C. Retest without any changes. • D. All of the above
4. (I&E 1.j.) In a controlled experiment, a control group is predetermined not to receive the test condition. A control group or constant helps scientist to identify the response to the variable that is being ________ ? • Focused on. • Controlled • C. Tested • D. None of the above.
5. What are the major components of lipids? A. Amino acids B. Nucleotides C. Monosaccharides D. Fatty acids
Standard 4E & 4F 6. What is the molecule made from amino acids? A. Carbohydrate B. Nucleic Acid C. Lipids D. Proteins
7. The chemical and physical properties of proteins are differentiated by? A. The number of amino acids B. The order of amino acids C. The kinds of amino acids D. The number, order and kinds of amino acids.
Standard 1B 8. Acid rain could very well reduce plant populations by changing the pH of plants. What does this pH change affect, in the biochemical reactions of plants? A. Peptidosis B. Acids C. Bases D. enzymes
B C A D 9. Which part of the graph shows activation energy needed to start a chemical reaction in the presence of an enzyme? A B C or D
10. Pepsin is an enzyme that works in the acid environment of the stomach. Why would it not work in the basic environment of the small intestine? A. Pepsin works in acid environment. B. Pepsin works in pH over 7. . C. Pepsin works in pH 7 only. . D. Pepsin works in both acid & base environment.
Standard 1B Review 11. Enzymes affect the reactions in living things by changing? A. The pH of reactions B. The ionic conditions of reactions. C. The products being made. D. The speed of the reaction.
12. Which statement best describes, What higher temp & lower pH could do to a river? A. It could increase enzyme activity. B. Enzyme activity will remain constant. C. Enzyme activity would be inhibited. D. This would only make proteins stronger.
13. Viruses, unlike most cells are not considered life forms because? • They do not replicate on their own. • They cause disease. • They regulates what enters & leaves the cell. • They lack a cell wall.
14. Prokaryotes differ from Eukaryotic cells because they lack a? • Cytoplasm • Cell Membrane • Nucleus • DNA
15. (1e) What is the main difference between the two types of endoplasmic reticulum? • one makes, the other transports protein. • one helps make protein, the other modifies lipids. • One has ribosomes, the other has cytoplasm. • All of the Above
16. Once the protein that will be used by other cells leaves the rough endoplasmic reticulum, it will be further processed in the _______? • smooth ER • nucleus • mitochondria • golgi apparatus
17. Some newly discovered cells are found not to have any membrane-bound organelles. What type of cells are they? • Eukaryotic • Viruses • Prokaryotic • animal cell
18. Students analyze two drawings of cells to determine which is the plant and which is the animal cell. Which of the following is found in plant cells only? • Rough ER • Cell Membrane • Chloroplast • Mitochondria
B A 19. How does the phospholipid arrangement affect membrane permeability in preventing to much water from entering cell? A. The polar hydrophobic end face outward. B. The polar hydrophylic end faces outward. C. The non-polar hydrophilic ends face outward. D. The non-polar hydrophilic ends face inward.
20. What is the main difference between a plant & animal cell • Plants do not have a cell wall. • Plants have a cell wall, chloroplast & huge vacuoles. • Plant cells have a nucleus. • There is no difference.
21. The endoplasmic reticulum primary function is in? • processing proteins for storage • Store of genetic information • Translates info encoded in mRNA • Protein Synthesis
Animal Cell 22. What cell organelle helps the cell maintain homeostasis? • Golgi B. Endoplasmic Reticulum • C. Cell wall D. cell membrane
23. (Cell Biology 1F) Which of the following are used at some point in photosynthesis reactions? • Carbon Dioxide B. Water C. Light D. all of the above
Chloroplast Light-Independent (Dark)Reactions 24. (Cell Biology 1F) In the process of photosynthesis, when is oxygen produced? A. When CO2 is split B. When H2O is split C. When light is usedD. When ATP is made
25. (Cell Biology 1F) Which is most correct, of what is made in the light-dependent reactions? • EnergyB. Enzymes • C. GlucoseD. ATP, NADPH, H+ & O2
26. (Cell Biology 1F) Photosynthesis is the process that? A. Uses chemical energy to make sugar. B. Thylakoids make energy from CO2. C. Radiant light energy is changed to Glucose. D. Radiant light energy is changed to heat.
27. (Cell Biology 1F) The diagram below illustrates the activity of this organelle? Light Energy Chemical energy of Organic Molecules A. Rough ER B. Ribosome C. Mitochondria D. Chloroplast
28. (Cell Biology 1F) The process of photosynthesis uses carbon dioxide in the Calvin Cycle to make _____? • Proteins B. Enzymes • C. Chloroplast D. Glucose
Chloroplast Light-Dependent Reactions • 29. (Cell Biology 1F) What part of the plant captures sunlight energy for photosynthesis? • Stroma B. Thylakoids • C. Chloroplast D. Glucose
30. (Cell Biology 1F) The process of photosynthesis uses carbon dioxide in the Calvin Cycle to make _____? • Proteins B. Enzymes • C. Chloroplast D. Glucose
31. What is the purpose of the cellular process shown below? Glucose ATP CO2 + H2O Mitochondria • to breakdown protein. • to transform energy. • to make sugar. • to release stored energy from food.
32. The process of energy production of the Kreb cycle is carried out in which cell organelle? • Chloroplast • Mitochondria • Ribosomes • Cell membrane • Endoplasmic Reticulum
33. Which of following is not part or involved with the mitochondria? • Kreb Cycle • thylakoid • Light-dependent reactions • Light-independent reactions • ATP Production
34. Heart cells have much more mitochondria than any other cell type. This means heart cells produce much more ___? • oxygen • thylakoid • nitrogen • C6H12O6 • carbon dioxide
35. During cellular respiration, the mitochondria uses glucose for energy. What part of the glucose does this energy come from? • oxygen • chemical bonds • nitrogen • C6H12O6 • carbon dioxide
36. Heart cells have much more mitochondria than any other cell type. This means heart cells require much more _____? • Oxygen • thylakoid • nitrogen • C6H12O6 • carbon dioxide
Glycolysis Y A. Glucose + 2ATP 2 pyruvic acid + 4 ATP 37. Which of the following molecules is the main energy source for mitochondria? • Chlorophyll • Nitrogen • PGAL • Glucose
8. 5A DNA Structure & Replication
38. (5A) Which is found in RNA & not DNA? • deoxyribose sugar • double stranded helix • thymine • uracil & ribose sugar
39. (5A) Which of the following shows the correct semi-conservative replication pair? • A-U • T-T • A-C • A-T