Basic Chemistry and Biochemistry Review Game

Q

• What are the charges on :

ProtonsNeutronsElectrons

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.