You are presented with the question "Pneumonia may be caused by viruses or " and the following answer choices: - bacteria - a hazard - cold weather - humidity - mildew - PDAs - injury - methane Now knowing that pneumonia may be caused by an infection or injury of the lungs and infections of the lungs can be caused by bacteria, viruses or fungi, choose the best answer.
injury

You are presented with the question "One tumor suppressor protein which often results in cancer when it stops functioning is:" and the following answer choices: - gene - p53 - tumors - HIV - enzyme - tRNA - DNA - TRH Now knowing that cancer is a disease that occurs when the cell cycle is no longer regulated and another critical protein in regulating the cell cycle is the tumor suppressor protein p53 , choose the best answer.
p53

You are presented with the question "What takes place in the fallopian tubes?" and the following answer choices: - sweating - Fertilization - Chromosomes split - matter vibrating - Oxygen is aborbed - flow of electrons - Veins and arteries. - Sex Now knowing that fertilization occurs when a sperm and an egg fuse and also, the sperm fertilize the egg in one of the fallopian tubes, choose the best answer.
Fertilization

You are presented with the question "What derive energy from the breakdown of organic molecules?" and the following answer choices: - Most plants - hydrocarbons - potatoes - all stones - all water sources - all mountains - all animals - Generating heat Now knowing that all animals are heterotrophs and heterotrophic bacteria derive energy from the breakdown of organic molecules, choose the best answer.
all animals