Cells are small because:

The Na+ channel protein is found in the membranes of muscle cells. Which of the following organelles are involved in its synthesis and transport to the membrane? (select ALL that applies) 

___________ is the fluid portion of the cytoplasm of cells

The large subunit of the ribosome in algae is called the:

Label the structures indicated by an arrow. A. _______________ B. _______________   

The Na+ channel protein is found in the membranes of muscle cells. Which of the following organelles are involved in its synthesis and transport to the membrane? (select ALL that applies) 

___________ is the fluid portion of the cytoplasm of cells

PTH activates:

PTH activates:

Bone fragments into 3 or more pieces. This fracture is called: