Question 1
The myocardium (cardiac muscle tissue) undergoes a significant amount of physical stress due to its contractions. You would expect to see relatively large numbers of which of the following embedded within their plasma membrane?
◦ desmosomes
◦ transport proteins
◦ tight junctions
◦ glycolipids
Question 2
Which of the following will
not speed up the net rate of diffusion for glucose into a cell?
◦ Increasing the concentration of glucose outside of the cell.
◦ Increasing the number of glucose transport proteins within the plasma membrane.
◦ Decreasing the concentration of glucose within the cell.
◦ Decreasing the number of phospholipids in the plasma membrane.
Cell Energy
Animal Cell
The cell
Aggregated red-cell clusters have a streamlined shape, leading to further viscos
cell labeled
Antigen presentation to a T cell.