1. “If you grow green plants in red soil they will turn yellow.” This statement can be best described as a? 1.Theory 2.Hypothesis 3.Law 4.Question 1 12345

2. When a hypothesis has been shown to be true after many repeated experiments it can become accepted. It would then be called a? 1.Theory 2.Hypothesis 3.Law 4.Question 2 12345

3. A species of beetles comes in two colors, green and brown. The grass they live in turned from green to brown after a drought. A B

4. Which beetle population had a competitive advantage after the drought and what color are they? 3 12345 A B 1.A, brown 2.A, green 3.B, brown 4.B, green

5. Which of the following best describes why this species of beetles was able to survive the drought? 4 12345 A B 1.gene frequency in the population 2.population size 3.size of the beetle 4.gene variation in the population

6. Which of the following is not true about the relationship between humans and chimpanzees below. 5 12345 Human Chimpanzee Baboon 1.Humans evolved from chimps 2.Humans and chimps share a common ancestry 3.Chimps are more closely related to baboons than humans are to baboons 4.Humans and chimps share many of the same genes

7. Which organic molecules are used by mitochondria in a cell to create energy in the form of ATP? 6 12345 1.carbohydrates 2.nucleotides 3.lipids 4.amino acids

8. Which organic molecules are strung together by ribosomes in a cell to create proteins? 7 12345 1.carbohydrates 2.nucleotides 3.lipids 4.amino acids

9. Which organic molecules make up both DNA and RNA in the cell? 8 12345 1.carbohydrates 2.nucleotides 3.lipids 4.amino acids

10. Which of the molecules below is a nucleotide? 9 12345 A B C D 1.A 2.B 3.C 4.D

11. Where in a cell would you most likely find lipids? 10 12345 1.cytoplasm 2.cell membrane 3.chloroplasts 4.nucleus

12. In the following reaction what is B? 11 12345 A B D E C ENERGY 1.enzyme 2.product 3.enzyme substrate complex 4.substrate

13. In the following reaction what is D? 12 12345 A B D E ENERGY C 1.enzyme 2.product 3.enzyme substrate complex 4.substrate

14. Would this reaction occur if the enzyme was not present and the same amount of energy was used? 13 12345 enzyme substrate enzyme-substrate complex products ENERGY 1.No, the enzyme is needed 2.Yes, at a slower rate 3.Yes, at a faster rate 4.Yes, at the same rate

15. The two lines represent the amount of energy for two reactions needed to cut a protein. Which reaction most likely takes advantage of an enzyme? 14 12345 ENERGY A B 1.A 2.B 3.not enough data to know 4.neither

16. The same reaction below is helped by two different enzymes. According to the graph, which enzyme works best in a more acidic environment like your stomach? 15 12345 reaction rate AB 1234567891011121314 pH 1.A 2.B 3.not enough data to know 4.neither

17. In this experiment, two plates of JELL-O are digested with the same enzyme and the reaction rates are measured. One plate is placed at room temperature and the other at 4°C. What is the independent variable? 16 12345 4°C4°C27°C AB 1.plate A 2.plate B 3.temperature 4.enzyme 5.reaction rate

18. In this experiment, two plates of JELL-O are digested with the same enzyme and the reaction rates are measured. One plate is placed at room temperature and the other at 4°C. What is the dependent variable? 17 12345 27°C4°C4°C AB 1.plate A 2.plate B 3.temperature 4.enzyme 5.reaction rate

19. 27°C reaction rate 0510 temperature 152025303540 Independent Variable: experimental variable something you change directly placing the plate in at room temperature or in the refrigerator. Dependent Variable: changes as a result of the independent variable you indirectly change it by altering the independent variable the reaction rate changes as a result of you changing the temperature 4°C4°C

20. 18 12345 (6) CO 2 (6) O 2 (6) H 2 O (6) CO 2 (6) O 2 C 6 H 12 O 6 ATP (6) H 2 O ADP ENERGY The second half of this reaction does not require sunlight. What is it called and what organelle does it occur in? 1.respiration, mitochondria 2.respiration, occurs in both chloroplast and mitochondria 3.photosynthesis, chloroplast 4.photosynthesis, occurs in both chloroplast and mitochondria

21. 19 12345 (6) CO 2 (6) O 2 (6) H 2 O (6) CO 2 (6) O 2 C 6 H 12 O 6 ATP (6) H 2 O ADP ENERGY What does photosynthesis produce? 1.amino acids 2.proteins 3.sugar 4.energy to make ATP

22. 20 12345 (6) CO 2 (6) O 2 (6) H 2 O (6) CO 2 (6) O 2 C 6 H 12 O 6 ATP (6) H 2 O ADP ENERGY What does respiration produce? 1.amino acids 2.proteins 3.sugar 4.energy to make ATP

23. 21 12345 (6) CO 2 (6) O 2 (6) H 2 O (6) CO 2 (6) O 2 C 6 H 12 O 6 ATP (6) H 2 O ADP ENERGY Is the formula for this reaction balanced? 1.Yes 2.No 3.Only half of it 4.I do not know what you mean by balanced

24. 22 12345 In order, what type of cells are these? ABC 1.bacterial, animal, plant 2.plant, bacterial, animal 3.animal, bacterial, plant 4.plant, animal, bacterial

25. 23 12345 Which organelle in the cell does respiration occur in? 1.mitochondria 2.chloroplasts 3.ribosomes 4.nucleus 5.vacuole 6.cell membrane 7.cell wall

26. 24 12345 What organelle uses RNA as instructions to string together amino acids to make proteins? 1.mitochondria 2.chloroplasts 3.ribosomes 4.nucleus 5.vacuole 6.cell membrane 7.cell wall

27. 25 12345 What is the definition of osmosis? H20H20 H20H20 1.movement of molecules from an area of low to high concentration 2.movement of molecules from an area of high to low concentration 3.the same as 2 but the water molecules only move 4.active transport of molecules from within a cell

28. 25 12345 H20H20 H20H20 What would happen to the cell on the left in this situation? 1.the cell would expand 2.the cell would shrink 3.the cell would stay the same 4.the cell would explode

29. H20H20 Osmosis The cell has a lower concentration of a molecule in it The molecule is unable to diffuse across the membrane into the cell to increase the concentration Water can cross the membrane Water diffuses out of the cell to try to increase the concentration inside The cell loses its volume and shrinks

30. 26 12345 What is this process called and what does your body use it for? 1.mitosis, growth 2.mitosis, sexual reproduction 3.meiosis, growth 4.meiosis, sexual reproduction

31. 27 12345 How many pairs of chromosomes does this cell have? 1.2 2.4 3.6 4.8

32. 28 12345 Why does the cell labeled B have more chromosomes than cell A? ABC D 1.the cell has divided 2.one chromosome from each pair has been replicated 3.both chromosomes from each pair have been replicated 4.the cell has mutated

33. 29 12345 Meiosis creates what type of cells? AB DC 1.haploid 2.diploid 3.gametes 4.1 and 3 5.2 and 3

34. AB DC Meiosis Diploid 2 of each chromosome 2N Tetraploid 4 of each chromosome 4N Haploid 1 of each chromosome 1N Diploid 2 of each chromosome 2N

35. 30 12345 “b” is a mutant version of the allele B. 50% of the male and none of the female offspring show a mutated phenotype. Is the mutant version “b” dominant or recessive? XbXb XBXB XBXB Y XBXbXBXb XBXBXBXB XbYXbYXBYXBY 1.dominant 2.recessive 3.not enough information given 4.don’t know

36. 31 12345 “b” is a mutant version of the allele B. 50% of the male and 50% of the female offspring show a mutated phenotype. Is the mutant version “b” dominant or recessive? XbXb XBXB XBXB Y XBXbXBXb XBXBXBXB XbYXbYXBYXBY 1.dominant 2.recessive 3.not enough information given 4.don’t know