Instructions: Use the molecules below to answer the next three questions.
A) 
B) 
C) 
D) 
-Which is molecule is retinoic acid?
Definitions:
Arteries
Blood vessels that carry oxygen-rich blood away from the heart to the body.
Veins
Blood vessels that carry blood towards the heart, often containing valves to prevent backflow.
Valves
Structures within the heart and veins that maintain one-way blood flow, preventing backflow and ensuring efficient circulation.
Regulate Body Temperature
The physiological process by which an organism maintains its internal temperature within a certain range, despite external temperature changes.
Q5: Zinc is found in foods complexed with
Q17: Which bacteria produce vitamin K and in
Q27: Metabolic pathways are regulated to maintain homeostasis
Q28: Calcium-sensing receptors (CaSR)are located on the _.<br>A)thyroid
Q42: Which element,if present in high concentrations in
Q52: The majority of water in the gastrointestinal
Q52: Most nutrients absorbed by the small intestine
Q52: A deficiency of which vitamin is associated
Q61: The majority of magnesium in the plasma/serum
Q73: apolipoprotein E<br>A)atherogenic fatty plaque<br>B)hypercholesterolemia<br>C)raise LDL-C/lower HDL-C<br>D)structural homology