Answer:
a. angiotensin II
Explanation:
Angiotensins are a set of peptide hormones that cause vasoconstriction and a subsequent increase in blood pressure, its main objective is to lower blood pressure.
Aldosterone is a hormone produced by the adrenal cortex that inhibits the level of sodium excreted in the urine, maintaining volume and blood pressure.
Nitric acid is a viscous and corrosive liquid that can cause severe burns in living things. It is used as a laboratory reagent and to make explosives such as nitroglycerin and trinitrotoluene, as well as fertilizers such as ammonium nitrate.
The atrial natriuretic peptide is a polypeptide and is related to the homeostatic control of body water, sodium, potassium and adipose tissue.
Answer:
The two most basic types of bonds are characterized as either ionic or covalent. In ionic bonding, atoms transfer electrons to each other. ... In short, atoms with the same electronegativity share electrons in covalent bonds, because neither atom preferentially attracts or repels the shared electrons.
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Answer:
Carbon has six electrons (2 core and 4 valence), and can form four bonds with neighboring atoms. Nitrogen has seven electrons (2 core and 5 valence)(1s2, 2s2, 2px1, 2py1, 2pz1). So if you are following the rules, you might well assume that nitrogen would be able to form five bonds (after all, it has five valence electrons.)
A pond of cement is more dense
When HCl is added to a saturated solution of PbCl2, the solubility of PbCl2 would decrease so precipitation would occur. The decrease in the solubility is due to the common ion effect or the presence of Cl- ions in both compounds.