It takes the Earth to complete one revolution around the Sun.

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

Which is the following can combine in a cell to convert a lower-energy molecule into a higher-energy molecule?

Which of the following situations are occurring when a red flower (rr) and a white flower (ww) produce a pink flower? a. multiple alleles b. incomplete dominance c. codominance