B)Facilitated diffusion is a form of active transport. Regular diffusion is a form of passive transport.
Answer: Independent Variable
Explanation: Already explained this one in another post.
Answer:
Nucleotides make up DNA, or deoxyribonuleic acid.
Explanation:
It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.
Similar to the other types of muscle, smooth muscle contraction is caused by the sliding of myosin and actin filaments over each other. Calcium initiates contractions in a different way in a smooth muscle than in a skeletal muscle.
Smooth muscles use less energy to generate the given amount of force, can substain contractile force without fatigue & uses calcium from the sarcoplasic reticulum & extracellular space.