98. Which of the following substances requires a transmembrane protein in order to cross a cell membrane?

a.
water

b.
glucose

c.
sodium ions

d.
All of the above are correct.
100. Which of the following vesicles contain lytic enzymes:

a.
central vacuole

b.
peroxisomes

c.
lysosomes

d.
transport vesicle

101. You look at cells under a microscope. You see cell walls and membrane bound organelles. You conclude that the cells are:

a.
animal cells

b.
archaea cells

c.
plant cells

d.
bacterial cells