Answer:
Arteries never carry oxygen rich blood
Explanation:
This is totally wrong as most Arteries carry oxygenated blood away from.the heart to other organs and structures. Only the pulmonary artery carries deoxygenated blood to the lungs for oxygenation
Answer:
Make sure everyone meets criteria.
Not taking supplements( As some may contain Vit D)
No tanning beds
make sure no one has a hypoactive response to vitamin d through whatever way. Injection, capsule, spray.
Check for genetic conditions or cancers like melanoma which indirectly affect vitamin d levels
Explanation:
These are some of the main things to look out for
A,B,D are correct so C , is the one that will change the cell theory
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Proteins can denature at extreme temperatures, or denature when inhibits are present. When this happens their functionality is dramatically reduced.
