Lungs are not made up of eukaryotic cells
<h2>Answer:</h2>
Option B is correct.
B. In an exothermic reaction, excess energy is released as heat.
<h2>Explanation:</h2>
An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy. Exothermic Reaction means "exo" meaning releases and "thermic" means heat.
Answer:by changing organic carbon from plant obtained as food to inorganic carbondioxide
Restriction enzymes are found in many different strains of bacteria where their biological role is to participate in cell defense. These enzymes restrict foreign (viral) DNA that enters the cells by destroying them.