Chapter 2. Chemistry

Question Answer
Where will you find the most acidic environment in the body? Stomach
A kind of weak attraction that helps hold your body's substance together is known as: hydrogen bond
The number of protons and neutrons combined is the atom's: atomic mass
glucose Monosaccharide
triglyceride Lipid
contains C, H, O, and N Proteins
RNA Nucleic acid
A solution with a pH of 4 is an: Acid
Covalent bonds: Strongest types of bonds
Substances whose molecules have more than one element in them are called: Compounds
The body stores glucose in the form of: Glycolgen
A solution with a pH of 9 is a: Base
Proteins are made up of various combinations of Amino acid
Ionic bonds are chemical bonds formed by the donation of electrons from one atom to another
Electrons move about within certain limits called: Orbitals
compound essential to life Water
A measure of the H+ concentration PH
an element essential to life Carbon
dissolves solutes aqueous solution
monosaccharide Carbohydrates
amino acid Protein
An example of an ionic bond is NaCl
The center of an atoms is known as the nucleus
Which of the following is NOT one of the four MAJOR elements present in the human body? Iron
A chemical compound contains at least two: Elements
The atomic number of an element is determined by: the number of protons in the nucleus
When atoms share electrons, a/an _______________ forms covalent bond
Which of the following is NOT a subatomic particle? isotope
4 most common elements found in the body CHON
Ionic bond is a Donating bond
Covelant bond is a Sharing bonds
Hydrogen bonding is a Weakest bonding
Function protein in the body are called Enzymes
Molecule 2 or more same element
Compound 2 or more different elements
Disaccharide Molecule made of two saccharine or double sugar
HCI which is acid + NAOH which is base
H+Cl+Na+Oh = what?
H2o or water
Lipids most common is Triglycerides which we call fats had a head and three fatty acids
Phospholipids are similar to triglycerides except they have how many fatty acid chains 2
The head attracts water and the two fatty acids tails repel water
Two forms of nucleic acid DNA and RNA
Deoxyribonucleic or ribonucleic acid
Nucleotides bind to one another to form structures. DNA nucleotides twist together double to arrange what? A double strand called double helix or DNA

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