Jordan's grandmother uses the juice from squeezed lemons to remove stains from his shirt. he hypothesizes that the juice is the only part of the lemon that is effective at removing the stains, because it's an acid. which two steps would jordan determine whether his hypothesis is scientifically supported?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production

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.