"Adjacent chromatids in homologous chromosomes cross over during meiosis in sperm and egg formation" is the one among the following choices that describes what <span>causes genetic variation during human sexual reproductive processes. The correct option among all the options given in the question is the second option.</span>
The answer is amino acid.
Answer:
The Greeks believed in the geocentric model of the universe.
According to this model, the Earth was present in the center whereas the Sun, moon, other planets etc revolved around it. According to Plato, the Earth was spherical in shape and it did not move. Greek philosophers, such as Aristotle and Plato, believed the Earth to be the center of the universe. All other heavenly bodies orbited around the Earth according to the Greek philosophers.
Answer:
Oxygen
Explanation:
Cellular respiration is the process whereby living organisms synthesize energy in form of ATP. However, it can either be aerobic or anaerobic depending on whether it occurs with or without oxygen. Aerobic respiration occurs in the presence of oxygen.
The aerobic cellular respiration is further divided into glycolysis, Krebs cycle and oxidative phosphorylation. The oxidative reactions used by aerobic bacteria to generate ATP use OXYGEN as a terminal or final electron acceptor.
