Answer:
The correct answer is E.
Explanation:
An unsaturated fatty acid has at least one double bond within the fatty acid chain.
They tend to have lower melting temperature than saturated fatty acids.
We can find them in oily fish, nuts and seeds, and vegetable oils.
They are liquid at room temperature.
These fats help reduce the risk of high blood cholesterol levels and therefore are healthier for humans.
As a first-hand experiencer, I know it's D. Homocysteine!
It is always instructed to a patient to not eat any meal before getting your blood test because it may always interfere with the results. If you ate a meal before getting your blood drawn, your results will be high and after consulting your doctor, he would probably prescribed you medications on how to lower it. Lab technician wouldn't really know if you cheated unless they ask you if you had eaten before getting your blood drawn and if you admit it, they'll probably reschedule your blood test and explain what might be affected if you taken a meal before the test.
Skeletal & Muscular is the answer