Because the cell membrane is mainly made of lipids, which of the following cannot pass through the lipid bilayer without the aid of transport proteins? Answers are
Water
Oxygen
Carbon dioxide
Steroids

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

eukarya because is is like alche and b is bacteria and d is animals

explanation:

easy

explanation: