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The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо
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If garbage is left on the street flies in microbes can arise from nothing to feed on it true or false
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Write a paragraph explaining how energy flows through an ecosystem using the following terms: energy pyramid, trophic level, producer, primary consumer, decomposer, sun, secondary consumer, and tertiary consumer. .
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Biology, 22.06.2019 21:40
According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this? a. this implies that dna and proteins aren't essential in cells today. b. this implies that rna can catalyze any chemical reaction that enzymes catalyze. c. this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna. d. this implies that dna and proteins evolved after rna.
Answers: 2
What can you conclude about DNA from the idea that it is a cell's "brain” ?
A. it helps think.
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