Answers: 1
Biology, 22.06.2019 19:20
Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
Answers: 1
Biology, 23.06.2019 00:30
Discuss the similarities and differences between whale flippers and tail flukes(*back fins, not the fish) and fish fins, using the scientific terms "homologous structures" and "analogous structures" in the discussion (5-7 sentences)
Answers: 2
¿Cómo es la circulación de la ananas comosus?...
Mathematics, 04.12.2019 02:31
History, 04.12.2019 02:31
Mathematics, 04.12.2019 02:31
Physics, 04.12.2019 02:31
Mathematics, 04.12.2019 02:31
Mathematics, 04.12.2019 02:31
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History, 04.12.2019 02:31