Question 1 Plant leaves appear green because they ____ light spectrum. a. Scatter all colors except the green portion of the visible. b. Scatter the green portion of the visible. c. Absorb the green portion of the visible. d. Scatter the green portion of the ultraviolet.

Question 1 Plant leaves appear green because they ____ light spectrum. a. Scatter all colors except the green portion of the visible. b. Scatter the green portion of the visible. c. Absorb the green portion of the visible. d. Scatter the green portion of the ultraviolet.

Question 2 The continuous part of the plasma membrane is the: a. Carbohydrate. b. Phospholipid bilayer. c. Nucleotides. d. Protein. Question 3 Which of the following is true of plants? a. They can create their own sugars using photosynthesis. b. They can create their own sugars using fermentation. c. They can create their own sugars using respiration. d. They cannot create their own sugars using photosynthesis. Question 4 The outer living limit of the cell is called: a. The cell wall. b. The edge. c. The plastid. d. The plasma membrane. Question 5 The person who first used the term cell to describe a unit of life was: a. A. Van Leeuwenhoek. b. R. Watson. c. R. Downy. d. R. Hooke. Question 6 Water is an important solvent of life because: a. It forms covalent bonds. b. It is ionic. c. It has cohesive properties. d. It forms hydrogen bonds. Question 7 Cancer is a disease caused by mutations. Yet in most instances if one of your parents tragically died from cancer, this does not put you at greater risk than a person whose parents do not develop cancer. How can cancer be caused by mutations and yet not be heritable? a. Mutations caused by environmental agents such as tobacco smoke cannot be inherited. b. The mutations that cause cancer are special and cannot be passed on regardless of what type of cell they occur in. c. Most cancers arise from mutations in germ line cells. d. Most cancers arise from mutations in somatic cells. Question 8 Which of the following is the correct order of the three stages of aerobic respiration? a. Glycolysis, Krebs cycle, electron transport. b. Electron transport, Krebs cycle, glycolysis. c. Krebs cycle, glycolysis, electron transport. d. Krebs cycle, electron transport, glycolysis. Question 9 What two colors of light drive most of photosynthesis? a. Red and green. b. Blue and green. c. Red and blue. d. Green and yellow. Question 10 What is the term for an observable trait of an organism? a. Element. b. Phenotype. c. Pleitropy. d. Genotype. Question 11 A single cell begins meiosis. How many cells will there be after meiosis I, to begin meiosis II? a. 1 b. 4 c. 8 d. 2 Question 12 If a female is a carrier to the hemophilia gene, has a child with a male who does not have hemophilia, which prediction is correct? a. All of the sons and none of the daughters will have hemophilia. b. All of the daughters and none of the sons will have hemophilia. c. Half of the sons and half of the daughters will have hemophilia. d. Half of the sons and none of the daughters will have hemophilia. Question 13 Which of the following is an example of an eukaryotic cell? a. An archea. b. A virus. c. A bacteria. d. A plant cell. Question 14 The products of meiosis are: a. Four genetically different, haploid cells. b. Two genetically identical, diploid cells. c. Four genetically identical, haploid cells. d. Four genetically identical, diploid cells. Question 15 Which of the following is an example of potential energy? a. A car driving down the road. b. A bird flying in the air. c. A man running down the street. d. A loaded gun. Question 16 Which of the following have the most entropy? a. Steam. b. Snow. c. An ice cube. d. Liquid Water. Question 17 Which of the following have the most entropy? a. Glucose. b. Carbon atoms. c. A cell. d. Glycogen. Question 18 Which below best describes a difference between a chromosome and a gene? a. A chromosome and a gene are identical. b. A gene is one section of a chromosome, and a chromosome may carry many genes. c. A gene is larger than a chromosome. d. A chromosome contains the entire DNA of a human; while a gene is a single portion of that DNA. Question 19 What does oxygen allow humans to do? a. Breathe. b. Produce food. c. Digest food. d. Produce ATP from food. Question 20 You are sitting by a lake. You drop a leaf on the lake and notice that it floats on the top of the water. Which of the following properties of water could help explain what you observed? a. It has a strong surface tension. b. It can dissolve large quantities of solute. c. It has a high specific heat. d. It is hydrophobic. Question 21 Which of the following is an example of homeostasis? An organism that can: a. Assimilate and use energy. b. Reproduce. c. Evolve from other living things. d. Maintain a relatively constant internal environment. Question 22 Which types of proteins are involved in nutrient transport and why? a. Integral proteins because they span the membrane, thereby carrying nutrients across the membrane. b. Peripheral proteins because they are smaller and can travel across the membrane, thereby carrying nutrients across the membrane. c. Integral proteins because they are smaller and can travel across the membrane, thereby carrying nutrients across the membrane. d. Peripheral proteins because they span the membrane, thereby carrying nutrients across the membrane. Question 23 Sucrose and lactose are part of _______ in the carbohydrates family. a. Proteins. b. Monosaccharides. c.

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