Podcast
Questions and Answers
What are the four major elements that make up more than 99% of the atoms in animals' bodies?
What are the four major elements that make up more than 99% of the atoms in animals' bodies?
- Carbon, hydrogen, oxygen, and phosphorus
- Carbon, hydrogen, nitrogen, and oxygen (correct)
- Carbon, nitrogen, oxygen, and phosphorus
- Carbon, nitrogen, oxygen, and sulfur
Which group of biogenic elements has a catalytic function and is part of enzymes?
Which group of biogenic elements has a catalytic function and is part of enzymes?
- Microbiogenic elements (correct)
- All of the above
- Trace elements
- Macrobiogenic elements
Which biogenic elements are essential for all organisms?
Which biogenic elements are essential for all organisms?
- Al, As, B, Br, F, Li, Ni, Se, Si, Ti, V
- All of the above
- C, O, H, N, S, P, Na, K, Ca, Mg, Cl (correct)
- Cu, I, Mo, Mn, Zn, Co