B only in the nucleus and rough ER
If the materials are sugars and gases, this process is diffusion. Water only moves through a cell membrane by osmosis.
Answer:
Energy from nutrients is lost at each trophic level
Explanation:
Answer:
b
Explanation:
earth's ocean did grew higher over time because o rainfall for the last 20 years!
Answer:
The correct answer is " two cardiac muscle cells are connected by gap junctions".
Explanation:
Intercalated discs are microscopic features seen in the microscope as cardiac fibers, found between the myocardial cells of the heart. These features correspond of two cardiac muscle cells connected by gap junctions. The intercalated discs allow the interconnection of multiple cardiac cell muscles to work simultaneously as a single functional organ or syncytium.