BIOCHEMISTRY UNIT TEST REVIEW!

Definition: Neutral subatomic particle. Vocab Word? Neutron-100 pts

What does the nucleus of an atom contain? Protons and Neutrons-200 pts

If Carbon has 6 protons and 5 electrons, what is its charge? +1 -300 pts

Definition: atoms of the same element with different number of neutrons. Vocab word? Isotope-200 pts

What is the atomic mass of Hydrogen? 1.008 -200 pts

What is the atomic number of Sodium? 11-100 pts

How many protons does Sulfur have? 16-200 pts

How many neutrons does Argon have? 22-400 pts

How many valence electrons does Magnesium have? 2-400 pts

Definition: charged particle. Vocab word? Ion-200 pts

HCl has how many atoms of Hydrogen? 1-100 pts

Which type of bonding SHARES electrons? Covalent Bonding-200 pts

How many bonds does Oxygen want? 2-300 pts

How many bonds does Hydrogen want? 1-300 pts

An acid has more of which type of ion? H+ -400 pts

A base has more of which type of ion? OH- -300 pts

What is the full range of a base on the pH scale? 8-14 -200 pts

What is the pH of pure water? 7 -200 pts

True of False: Our bodies like to consume acidic foods TRUE- 300 pts

Cleaning products are more basic or acidic? Basic- 300 pts

Which property of water states that water molecules have an attraction between each other? Cohesion- 400 pts

What color did red litmus paper turn with a base? Blue -100 pts

True or False: Water is nonpolar FALSE -100 pts

True or False: Water molecules are attracted to lipids FALSE- 200 pts

What type of bonds occur between the Hydrogens and Oxygen within a water molecule? COVALENT BONDS- 300 pts

What type of bond occurs between individual water molecules? HYDROGEN BONDS – 200 pts

Benedict’s Test turns from blue to orange when what is present? MONOSACCHARIDES- 200 pts

Biuret’s Test turns from blue to violet when was is present? PROTEIN- 200 pts

TRUE OR FALSE: If a lipid is added to water, they mix together well. FALSE- 100 pts

What type of sugar is present when Iodine is added and it turns purple? POLYSACCHARIDE- 200 pts

Name an example of a food that has a LOT of carbs in it ANSWERS VARY- 100 pts PASTA, BREAD, RICE

Name a food that has a lot of protein in it ANSWERS VARY- 100 pts EGGS, MEAT, PEANUT BUTTER

What 2 types of molecules make up a lipid? GLYCEROL AND FATTY ACID (3) -300 pts

What are the building blocks of a protein? AMINO ACIDS- 300 pts

Which macromolecule will ONLY be found in the shape of a ring? CARBOHYDRATES- 100 pts

Which macromolecule is the only one who has nitrogen in it? PROTEIN- 200 pts

DEHYDRATION SYNTHESIS-100 pts What is the chemical reaction called that occurs when combining 2 monosaccharides to form a disaccharide? Water is lost during this. DEHYDRATION SYNTHESIS-100 pts

Definition: 2 molecules that look different, but have the same chemical formula. Vocab word? Isomer- 400 pts

Give an example of a chemical formula for a carbohydrate. Anything that has double the amount of Hydrogens than Oxygens- 300 pts C6H1206

Name 1 thing that you know about a saturated fat Bad for you Has max # of hydrogens Straight -200 pts

Name 1 thing you know about unsaturated fats Not max # of hydrogens Kinked Good for you -200 pts

Give 1 example of a saturated fat ANSWERS VARY -300 pts

Give an example of an unsaturated fat ANSWERS VARY -200 pts

What is the process called that combines monomers to form polymers POLYMERIZATION-200 pts

What is the bond called in a protein? PEPTIDE BOND-500 pts

How many types of amino acids are there? 20- 400 pts

What are the 2 parts that make up an amino acid? AMINO GROUP AND CARBOXYL GROUP- 500 pts

What is the monomer of a carbohydrate? MONOSACCHARIDE- 300 pts

What is the ratio of oxygens to hydrogens in a carbohydrate? 1 Oxygen: 2 Hydrogens -200 pts

What is hydrolysis? Opposite of Dehydration Synthesis ADD water to break apart molecule -500 pts