Q: There are only four possible bases that make up each dna nucleotide: adenine, guanine, thymine, and? Choices: - taurine - phenylalanine - guarine - cytosine A:
cytosine
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Q: What term describes diseases caused by abnormal cells in the body dividing uncontrollably? Choices: - eczema - diabetes - radiation - cancer A:
cancer
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Q: Most ferns produce the same type of spores and are therefore called what? Choices: - seeds - sporozoans - heterosporous - homosporous A:
homosporous
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Q: What is the measure of the amount of energy found in sound waves? Choices: - decibels - density - frequency - intensity A:
intensity
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