Answer the following question given this paragraph: When a sperm penetrates the egg, it triggers the egg to complete meiosis. The sperm also undergoes changes. Its tail falls off, and its nucleus fuses with the nucleus of the egg. The resulting cell, called a zygote, contains all the chromosomes needed for a new human organism. Half the chromosomes come from the egg and half from the sperm. Q: When a sperm penetrates the egg, it triggers the egg to complete what? Choices: - mutations - fertilization - lesions - meiosis A:
meiosis

Answer the following question given this paragraph: Is Ceres a planet? Ceres only has about 1.3% of the mass of the Earth's Moon. Its orbit is full of other smaller bodies. Its gravity was not high enough to clear its orbit. Ceres fails the fourth criterion for being a planet. Ceres is now considered a dwarf planet, the closest to the Sun. Q: What kind of planet do we consider ceres to be? Choices: - binary planet - minor planet - gas planet - dwarf planet A:
dwarf planet

Answer the following question given this paragraph: The sub-energy levels are identified by the azimuthal quantum number, . Q: What are identified by the azimuthal quantum number? Choices: - ionic-energy level - covalent bonds - radioactivity - energy levels - sub-energy levels A:
sub-energy levels

Answer the following question given this paragraph: The ABO blood group system is important if a person needs a blood transfusion. A blood transfusion is the process of putting blood or blood products from one person into the circulatory system of another person. The blood type of the recipient needs to be carefully matched to the blood type of the donor. That's because different blood types have different types of antibodies, or proteins, released by the blood cells. Antibodies attack strange substances in the body. This is a normal part of your immune response, which is your defense against disease. Q: Matching donor and recipient blood types is important because different blood types have different types of what? Choices: - antigens - charges - coagulants - antibodies A:
antibodies