Answer:
Calcium.
Explanation:
Muscle cells are the important for the body as they are involved in the bodily movement. Three different type of muscle are smooth muscle, cardiac muscle and skeletal muscle.
The sarcoplasmic reticulum contains the stored calcium in the muscle cell. The calcium is important ion that plays an important role in the muscle contraction. The actin and myosin protein functioning also depends on the the calcium ion.
Thus, the correct answer is option (B).
It's <span>B. nicotine. It's very harmful to your health.</span>
Answer:
Fatty acid can not be used to make glucose because once glucose is converted to aceltyl coA it can not be converted back to glucose again. The pyruvate dehydrogenase reaction that converts pyruvate to aceyl CoA is an irreversible reaction. Lipid metabolism produced acetyl CoA through beta oxidation, because of this pyruvate and oxaloacetate can not be converted to glucose through gluconeogenesis. Besides, the two carbon atoms in acetyl CoA molecule are lost upon entering the citric acid cycle, thus the acetyl CoA is used for energy.
Explanation:
The transmission of HIV occurs through the blood system or stream
