Cells do not use the energy from oxidation reactions as soon as it is released. Instead, they convert it into small, energy-rich molecules such as ATP and nicotinamide adenine dinucleotide (NADH), which can be used throughout the cell to power metabolism and construct new cellular components.
Another difference is that deer antlers are branched and antelope horns are not. Antelopes belong to family Bovidae (as do sheep, goat and cattle), while deer belong to family Cervidae. Both are even-toed ungulates (hoofed animals) and ruminant mammals.
A group of male deer. Antelopes are native to Africa and Eurasia. The Tibetan antelope, and Saiga Antelope are found in Russia and Central Asia; Arabian Oryx and Dorcas Gazelle in the Arabian Peninsula; and Nilgai, Chinkara, Blackbuck and Four-horned Antelope in India. They live in a wide range of habitats.