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Environmental Science- Energy, Pollution And Exam Technique > Pollution > Flashcards

Pollution Flashcards

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Biology 101 flashcards
1
Q

Describe the differences between ways mutagens and teratogens produce birth abnormalities (2 marks)

A

Mutagens-
• DNA change
• Can affect any cell at any time
• mutagens are inherited

Teratogens-
• Interference with DNA expression/ protein synthesis
• Only affect sperm/ egg/ embryo
• Teratogenic effect is not inherited

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2
Q

Why are greater safety precautions needed when using organic Mercury compounds than when using inorganic mercury compounds?

A

Organic is more…. toxic, liposoluble, volatile and transferred across cell membranes

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Environmental Science- Energy, Pollution And Exam Technique (4 decks)

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