Cells require glucose as a source of energy to carry out life processes. large molecules like glucose cross the cell's plasma membrane by
a)
being pumped through ion channels.
b)
active transport through protein channels.
c)
passive diffusion through the lipid bilayer.
d)
facilitated diffusion through protein channels.

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…

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation: