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Biology, 21.06.2019 16:40
Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit
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Biology, 21.06.2019 22:00
Explain why phospholipid molecules form a bilayer. (3 marks)
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Biology, 22.06.2019 09:50
Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.
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Biology, 22.06.2019 11:00
Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?
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A calorie is the amount of energy it takes raise the... of 1 mL of water by 1° C.
a) temperature
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