What is evidence for the endosymbiotic theory?
O RNA can catalyse metabolic reactions.
O Mete...
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Biology, 21.06.2019 20:00
How does pregnancy begin? a) a placenta forms in the uterus b) a sperm reaches an egg in the fallopian tubec) the blastocyst differentiates into two cell types d) contractions begin in the uterine wallapex
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Biology, 22.06.2019 09:00
Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present
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Biology, 22.06.2019 18:00
Which of the following can be assumed about the layers in areas 2 and 4
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