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Cards In This Set
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The variety of life across the biosphere is called...
a) biodiversity b) genomics c) homeostasis d) ecology |
A) biodiversity
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Exploring how indoor air pollutants lead to respectory problems is an example of using biology to...
a) develop biotechnology b) monitor global change c) improve human health d) make ethical decisions |
C) improve human health
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Which of the following is formed when an atom gains or loses electrons?
a) element b) compound c) molecule d) ion |
D) ion
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The function of a catalyst in a chemical reaction is to increase the...
a) reaction rate b) activation energy c) pH d) number of substrates |
A) reaction rate
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The various parts of earth's biosphere are connected and...
a) similar b) nonliving c) diverse d) aquatic |
C) diverse
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What aspects of a chemical reation are enzymes known to affect?
a) direction and reactant concentration b) rate and activation energy c) temperature and pH d)conditions needed for equilibrium |
B) rate and activation energ
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Which of the following solutions has the highest H ion concentration?
a) a solution with a pH of 1 b) a solution with a pH of 4 c) a solution with a pH of 7 d) a solution with a pH of 10 |
A) a solution with a pH of 1
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What are the four main groups of carbon-based molecules?
a) starches, cholesterol, fatty acids, and amino acids b) sugars, cellulose, triglycerides, and monosaccharides c) polysaccharides, sugars, oils, and polymers d) carbohydrates, lipids, proteins, and nucleic acids |
D) carbohydrates, lipids, proteins, and nucleic acids
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How do ions form?
a) atoms combine to make a larger atom b) two atoms share electrons c) atoms form covalent bonds d) atoms gain or lose electrons |
D) atoms gain or lose electrons
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What is the result of an endothermic chemical reaction?
a) hydrogen bonds are broken down b) products have lower bond energy than reactants c) more energy absorbed than released d) no energy absorbed or released |
C) more energy absorbed than released
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Scientific theories can change when scientists...
a) prepare and test different hypotheses b) criticize existing data c) provide conflicting scientific evidence d) prove an alternate theory |
C) provide conflicting scientific evidence
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Organisms use energy for all chemical processes. Together, all of these processes are called...
a) metabolism b) negative feedback c) adaptation d) homeostasis |
A) metabolism
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Which property of carbon makes it the "building block of life"?
a) its covalent bonding b) its ability to dissolve substances c) its specific heat d) its hydrogen bonding |
A) its covalent bonding
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Both animal fats and plant oils are made up of glycerol and...
a) phospholipids b) fatty acids c) polar molecules d) saturated fats |
B) fatty acids
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Data mining contributes to the field of genomics by finding...
a) specimens on which to experiment b) images of organisms c) models of complex systems d) patterns within data |
D) patterns within data
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