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Answer:
A. All lipids are insoluble in water.
Explanation:
Macro molecules are also called polymers, which are formed as a result of polymerization of molecules such as carbon, hydrogen and oxygen.
There are four types of macro molecules in the mammalian system which are
- lipids
- nucleic acid
- protein
- carbohydrates
Lipids are macro molecules that do not dissolve in water i.e. they are hydrophobic. they help in the formation of cell membranes and hormones in the body.
Answer:
c
Explanation:
heart is located slightly behind the sternum (chest bone)
<span>It is acting as a local signaling agent. It allows for more platelets to be attracted to the damaged area, instead of having them sent all over the body. As a local signal, it is also acting on the behavior of nearby cells, which is seen by the vascular spasm that is being instigated at the site of the damage.</span>
