True
Amino acids are the basic building blocks of the body. They are also sources of energy, like fats and carbohydrates. However, amino acids<span> are structurally characterised by the fact that they contain nitrogen (N), whereas fats and carbohydrates do not.
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The importance of amino acids as the precursors of enzymes and neurotransmitters<span> is often underestimated. As such, amino acids regulate almost all of the metabolic processes in the human body, and they are essential for a healthy body.</span>
Answer:C. Creating helium from hydrogen in its core
Explanation: Stars produce energy majorly by nuclear fusion. The process of creating helium by merging hydrogen atoms to produce deuterium which in turn is converted to helium.
Answer:
Internal and external regulators are two types of proteins that regulate the cell cycle. Internal regulators allow the cell cycle to proceed only after certain events occur. External regulators speed up or slow down the cell cycle.
Explanation:
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