The Trace Minerals Are Difficult to Study in Humans Because

question 64

Multiple Choice

The trace minerals are difficult to study in humans because:

• A)some of them are required in such small amounts that environmental contamination can obscure experimental results.
• B)they are so small,they are difficult to identify.
• C)they are required in such small amounts that deficiencies do not occur.
• D)biological tests are imprecise.

---

Definitions:

Diene

Organic compounds that contain two double bonds.

HBr

Hydrobromic acid, a diatomic molecule consisting of hydrogen and bromine, used commonly in organic synthesis and as a reagent.

Control

In the context of experiments, a standard condition or treatment that does not change, used as a benchmark to measure the effects of the experimental variable.

Activation Energies

The minimum amount of energy required to initiate a chemical reaction.