Multiple Choice
The four most abundant elements in the human body are
A) carbon, hydrogen, oxygen, and iron.
B) carbon, hydrogen, oxygen, and nitrogen.
C) calcium, hydrogen, sodium, and potassium.
D) carbon, oxygen, magnesium, and zinc.
E) carbon, sulfur, calcium, and potassium.
Correct Answer:
Verified
Correct Answer:
Verified
Q105: Which of the following is an organic
Q106: In an oxidation-reduction reaction, _ are transferred
Q107: Kinetic energy is<br>A) the form of energy
Q108: To which of the following organic groups
Q109: A group of water molecules are held
Q111: An atom of chlorine has 17 protons
Q112: Phospholipids<br>A) contain subunits called amino acids.<br>B) are
Q113: Oxygen has an atomic number of eight.
Q114: Cations and anions that dissociate in water
Q115: Hydrogen bonds are important for all of