1 (1 point) Bacteria are important to the nitrogen cycle because living things cannot access nitrogen from: Question 1 options: organic compounds inorganic compounds the atmosphere food Question 2 (1 point) Which of the following compounds does not contain nitrogen? Question 2 options: carbon dioxide ammonium DNA sodium nitrite Question 3 (1 point) Bacteria that convert nitrogen gas into ammonium are called: Question 3 options: nitrogen-absorbin nitrogen-fixing nitrifying nitrifying Question 4 (1 point) Plants can absord nitrogen from the soil in the form of: Question 4 options: nitrates nitrogen gas DNA ammonium Question 5 (1 point) Bacteria are important to both the nitrogen and carbon cycles because they break down decaying matter, in a process called: Question 5 options: nitrogen fixation decomposition decarbonization denitrification Question 6 (1 point) Which part of the human body should not contain colonies of bacteria? Question 6 options: respiratory tract digestive tract brain skin Question 7 (1 point) Which food product is not formed as a result of helpful bacteria? Question 7 options: yogurt cheese eggs pepperoni Question 8 (1 point) Which scenario would likely not result in the invasion of pathogenic bacteria? Question 8 options: engaging in unprotected intercourse taking a shower shaving with a dirty razor eating unwashed fruit Question 9 (1 point) Antibiotics protect the body from harmful: Question 9 options: y