Cellulose <span>is a chemical compound that forms tangled fibers in the cell walls of plants. Cellulose is a chemical compound made out of sugar and if found in the cell walls of plants.</span>
Answer:
Option D, Condensation of ribulose 1,5 bisphosphate with carbon dioxide and splitting of a six-carbon product during the Calvin cycle.
Explanation:
The enzyme Ribulose 1,5- bisphosphate carboxylase/oxygenase act as a catalyst in the reaction where CO2 attaches to ribulose 1,5-bisphosphate. In the end of this process, an unstable six carbon compound is formed.
Ribulose 1,5- bisphosphate is a molecule containing 5 - carbon molecule an when it combines it with CO2 during the Calvin cycle it splits into two molecules of 3-phosphoglyceric acid (3-PGA) which contains three carbon. This reaction is catalysed by Ribulose 1,5- bisphosphate carboxylase/oxygenase enzyme.
Hence option D is correct.
Answer:
The energy a cell needs to build molecules or to power cellular respiration is supplied by mitochondria.
Explanation:
Mitochondria are tiny cell organelle present in eukaryotic cells. It is called the powerhouse of the cell. It is referred to as such because it produces most number of energy molecules or ATP that is released from food. It produces 36 molecules of ATP and the cell produces 2 molecules of ATP. This process of releasing energy from food by the mitochondria is called cellular respiration. These energy molecules are then used in various other cellular activities.
Answer:
A is incorrect.
Explanation:
Enzymes speed up/assist in chemical reactions by DECREASING the activation energy needed for a reaction. This is what C is saying.
