Basic Chemistry and Biochemistry Review Game
Q What are the charges on : Protons Neutrons Electrons
A + 0 -
Q The atomic number of an atom is equal to the number of ___________ in an atom.
A Protons
Q The nucleus of an oxygen atom has a ________ charge. (1) Which subatomic particle(s) make up the nucleus of the atom?
A Positive Protons and neutrons
Q Which type of bond is involved in between the atoms of organic molecules? *Hint: Electrons are shared
A Covalent Bonds
Q What type of bond BETWEEN water molecules leads to cohesion of water.
A Hydrogen Bonds
Q A chemical compound that prevents a change in pH due to chemical reactions in the body. (1) The characteristic of life that is maintained by these compounds. (1)
A Buffers Homeostasis
Q How many other atoms can carbon bond to?
A 4
Q Molecules that lack the ability to mix with water are considered ____________/______________. (2 pts, 1 for each correct answer)
A Nonpolar Hydrophobic
Q The word used to describe a molecule that has one polar end and one nonpolar end.
A Amphipathic
Q Each of the following are polymers except: – Proteins – Starch – Amino Acids – DNA
A Amino Acids are monomers
Q Which of the 4 major macromolecules are mainly nonpolar in nature?
A Lipids
Q Give an example of 2 molecules that are composed of only glucose molecules, but have different properties.
A Cellulose, Starch, and Glycogen
Q -ose indicates which macromolecule?
A Sugar (carbs)
Q Identify each of the following monomers: – 1 – 2
A Amino Acid Glucose (monosaccharide)
Q Identify each of the following monomers – 1 – 2
A 1. Nucleotide 2. Fatty Acid
Q What is the difference between saturated fatty acid chains and unsaturated fatty acids chains? (1) Which is healthier? (1)
A Double bonds between carbons unsaturated
Q Match the monomer listed below to their correct polymer: – 1. monosaccharides – 2. glycerol and fatty acids – 3. nucleotides – 4. amino acids
A 1. polysaccharides 2. fats 3. nucleic acids 4. proteins (polypeptides)
Q What process is used to join monomers such as amino acids together into a polymer?
A Dehydration Synthesis
Q List one organic molecule List one inorganic molecule
A
Q Which carbohydrate are we unable to digest and is an important component to our diet?
A Cellulose
Q What is the primary function of the nucleic acid DNA?
A Stores genetic information (hereditary material)
Q (4 pts) Draw each of the 4 levels of protein structure.