In the 2nd stage of the kreb cycle with oxygen present,
glucose breaks down into two molecules of pyruvic acid
glucose is broken down into three molecules of pyruvic acid
pyruvic acid is broken down into carbon dioxide molecules, water, and energy
oxygen is combined with hydrogen atoms of nadh to make water and energy

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which organelle breaks down sugar molecules that supply energy to the cell ?

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.