Answer:
I believe the correct answer is c
Answer:
The correct answer is option C. secrete chemical messengers that travel in the bloodstream.
Explanation:
Endocrine glands are organ or gland that secrets hormones that are chemical messengers travel through the bloodstream instead of the duct. There are several glands that are part of the endocrine system such as the thyroid gland, pancreas, hypothalamus, and others.
These chemical agents are the travel through the blood and act on the site of action.
Thus, the correct answer is option C. secrete chemical messengers that travel in the bloodstream.
I would think it would or it would be super hard to actually find and examine it.
Hydrophobic and hydrophilic bond/interactions are common bond that forms long chains of proteins.
Some complex forms of proteins are made of subunits in which molecules bond together to form a larger unit. A good example is the blood protein hemoglobin. Hemoglobin consists of protein subunits known as the globin molecules. These subunits are folded chains of a large number of different amino acids which are known as polypeptides.