This is extremely vague, but assuming this is regarding concentration gradient in the nervous system, the Sodium-Potassium pump is responsible for transporting sodium and potassium.
<span>The muscle is a soft tissue found in most animals. The cells in the
muscle contain protein that produces a contraction that changes both the length
and shape of the cell. They are responsible for the movement it produces in the
human body. There are three types of muscle cell: skeletal, cardiac and smooth
muscle. Cardiac muscle contains excess amounts of mitochondria and myoglobin. The
myoglobin is responsible for the red color of the muscle. The answer is letter
B.</span>
Answer:
The flow/transfer of energy would be A) sound-electrical-sound
Explanation:
When you are talking on the telephone, you speak, which produces sound. The telephone picks up this energy and converts it to electrical signals, which are then converted back to sound on the other end of the line, thus the answer to your question being A) sound-electrical-sound
Answer: Food, Water, Shelter and Space
Explanation: In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations.
Answer:
The answer is A. Bacteria and Archaea
Explanation:
