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Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction
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Which of the following is a common danger of commercial fishing?
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Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots
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The illustration shown is an ovum, a female sex cell. a mutation in this cell may be passed to the woman’s offspring during a) birth. b) mitosis. c) dna replication. d) sexual reproduction
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in animals, extra protein is: absorbed by the cells released through respiration excreted as waste m...
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