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Chemical Elements Essential for Humans - Statistics
General Stats
- This quiz has been taken 35 times
- The average score is 14 of 19
Answer Stats
| Group | Hint | Answer | % Correct | |
|---|---|---|---|---|
| Small quantity | 1.0kg | Present in the bones. | calcium | 100%
|
| Basic organic element | 7kg | hydrogen | 100%
| |
| Basic organic element | 1.8kg | nitrogen | 100%
| |
| Basic organic element | 45kg | oxygen | 100%
| |
| Trace quantity | 4.2g | Component of hemoglobin, a protein present in red blood cells. | iron | 97%
|
| Small quantity | 0.14kg | Electrolyte necessary for action potential in nerves. Found in bananas. | potassium | 97%
|
| Basic organic element | 13kg | carbon | 94%
| |
| Small quantity | 95g | Found in stomach acid. | chlorine | 85%
|
| Small quantity | 0.10kg | Important for maintaining electrolyte/osmotic balance. Also a flavor enhancer. | sodium | 85%
|
| Small quantity | 19g | This element (in ion form) is bound to ATP, the fuel of the cell. It's advertized by internet influencers, who claim it makes you feel more energetic. | magnesium | 82%
|
| Small quantity | 0.78kg | Connects the sugar monomers in DNA. Also a component of ATP. | phosphorus | 76%
|
| Trace quantity | 2.3g | A transition metal present in more than 300 enzymes. It plays a role in the folding of proteins: the ___ finger is a common structural motif. | zinc | 73%
|
| Small quantity | 0.14kg | Present in the amino acids cysteine and methionine. | sulfur | 67%
|
| Trace quantity | 72mg | Found in cytochrome c oxidase, the enzyme that performs the last step of cellular respiration. Certain invertebrates' equivalent of hemoglobin contains this element which causes their blood to be blue. | copper | 64%
|
| Trace quantity | 20mg | Used in two thyroid hormones. Deficiency of this element causes goiter, so salt is often supplemented with it. | iodine | 58%
|
| Trace quantity | 3mg | A transition metal present in vitamin B12. | cobalt | 55%
|
| Trace quantity | 12mg | A transition metal that is a cofactor of several enzymes. It plays a role in bone formation. | manganese | 52%
|
| Trace quantity | 15mg | A chalcogen, a component of the amino acid ___cysteine. | selenium | 45%
|
| Trace quantity | 5mg | A transition metal present in four human enzymes. Also, importantly, bacteria use this element to fix nitrogen. | molybdenum | 21%
|
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