When you consume proteins, carbs, and fats they are chemically changed into energy.
Answer:
d. The formation of a covalent bond between two amino acids
Explanation:
In a chemical reaction, a substance transforms into another with different chemical properties and a different formula. Bonds are created and/or destroyed. It must obey the law of conservation of mass and the law of conservation of elements.
<em>Which of the following is a chemical reaction?</em>
<em>a. Making a hydrogen bond between a water molecule and a sugar molecule. </em>NO. This is a physical change in which sugar dissolves in water but both their chemical identities remain the same. The hydrogen bond is a force of attraction and not a real bond in which electrons are gained, lost or shared.
<em>b. The melting of ice.</em> NO. This is a physical change. Solid water turns into liquid water but the identity of the molecules is the same.
<em>c. Changing a carbon atom to a nitrogen atom by radioactive decay.</em> NO. This is a nuclear reaction in which a new element appears but it is not a chemical reaction because it does not fulfill the law of conservation of elements.
<em>d. The formation of a covalent bond between two amino acids.</em> YES. A new bond is created and a protein dimer is formed.
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Answer: This law is sometimes referred to as the 'Avogadro's Hypothesis' or 'Avogadro's Principle'. This is an experimnetal gas law that is relating to the volume of gas to the amount of substance of gas that is present to the state. This law also states that ''Equal volumes of all gases, at the same temp. and pressure, have the equal amount of molecules.''.
I hope this helps you and good luck! ☺
