3. Which line in the table below shows the roles of proteins embedded in phospholipid membranes?
A
Role of protein
Pores
Х
✓
Х
✓
Enzymes
✓
Х
Х
✓
B
Pumps
Х
✓
✓
✓
С
D
(1

The model illustrates a process by which a substance is taken up by a cell

Types of scientific inquiry that biologist engage in that cannot be completely controlled

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.