The substrate of the citric acid cycle which can block respiration when it is present in excess is MALONATE. Malonate inhibits respiration by competing with succinate dehydrogenase for its acitve site. Malonate binds to the active site without reacting, thus competing with succinate. This disrupts the cellular respiration in the cell.
The answer is C. Organelles
1. plants do not need and complex excretory organ because it creates a very small amount or nitrogenous waste.
Answer: d) Cabbage.
Explanation:
A fruit can be define as a fleshy product of the plants. It encloses within it seeds produced after the sexual mode of reproduction of the males and female gametes in plants. The fruit can be sour, or sweet.
Among the option given cabbage is the correct option. This is because of the fact that cabbage is a leafy green biennial vegetable crop. It exhibit dense leaved head. The white and red varieties are also available with tightly packed leaves.