1. Sooty is heterozygous for long whiskers and a brown nose. He fell in love with a female guinea pig who was also heterozygous for long whiskers and a brown nose. Deduce the phenotypes and ratios that could have been produced from this cross. LlBB, LlBB

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.