10. Bacteria have significant roles in nutrient cyding in the environment. Many

Question

10. Bacteria have significant roles in nutrient cyding in the environment. Many spedies have a symbiotic relationship with the roots of plants and assist plants in acquiring the growth-limiting element A) nitrogen B) oxygen C carbon D) hydroger ? sodium 11. Early prokaryotes had a tremendous impact on the evolution of life on Earth. Which of the following best describes their impact? A) Early cyanobacteria released hydrogen to Earth's atmosphere during photosynthesis. B) Early cyanobacteria released carbon dioxide to Earth's atmosphere during photosynthesis C Early cyanobacteria released oxygen to Earth's atmosphere during photosynthesis D) Early cyanobacteria released nitrogen to Earth's atmosphere during photosynthesis Early cyanobacteria released water to Earth's atmosphere during photosynthesis 12. Each year, 700,000+ hospitalized patients acquire a secondary infection as a result of their care. These types of infections are called A) primary infections B) antagonistic infections O chronic infection D) autoimmune infections E nosocomial infections

Explanation / Answer

ANSWER 10.
A) nitrogen

ANSWER 11.
C) Early cyanobacteria released oxygen to Earth's atmosphere during photosynthesis

ANSWER 12.
E) nosocomial infections

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