Water Properties Acids And Bases Macromolecules Enzymes Miscellaneous 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

What allows insects to walk on water? $100 What allows insects to walk on water?

SURFACE TENSION

What would happen if ICE were MORE dense than liquid water? $200 What would happen if ICE were MORE dense than liquid water?

Ice would no longer float!

$300 What water properties help with the movement of water upward from roots to the stems and leaves?

COHESION and ADHESION

Why is a water molecule POLAR? $400 Why is a water molecule POLAR?

The oxygen side is slightly negative and the hydrogen side is slightly positive.

What type of bond forms between molecules of water? $500 What type of bond forms between molecules of water?

Hydrogen Bonds

What does Pepto-Bismol/ a base do for heartburn? $100 What does Pepto-Bismol/ a base do for heartburn?

Neutralizes the acidic conditions of the stomach.

$200 If your cell’s are made of 70% water, what would a cell’s approximate pH be?

7.0

$300 How is pH measured?

Concentration of H+ ions

Using the chart what has a pH of 9? $400 Using the chart what has a pH of 9? Blue green

Shrimp

What is the OPTIMAL pH for product to be formed in this graph? $500

pH= 6

What are the four types of Macromolecules? $100 What are the four types of Macromolecules?

Carbohydrates, Lipids, Proteins, & Nucleic Acid

What elements make up nucleic acids? $200 What elements make up nucleic acids?

C H O N P

Why are substances classified as organic compounds? $300 Why are substances classified as organic compounds?

Because they contain CARBON

$400 If a bird where about to migrate, why would it store energy as FAT instead of GLYCOGEN?

Because energy stored as fat is more efficient; more kilocalories per gram than carbohydrates

Energy needed for metabolism does NOT come from: $500 Energy needed for metabolism does NOT come from: Lipids Water Proteins Carbohydrates

b. Water

What is the relationship between an enzyme and the activation energy? $100 What is the relationship between an enzyme and the activation energy?

An enzyme decreases the activation energy

$200 What is an enzyme?

A substance that helps make chemical reactions more efficient by speeding them up!

Do inhibitors cause enzymes to change shape? $300 Do inhibitors cause enzymes to change shape?

Yes

What would happen if we did not have enzymes? $400 What would happen if we did not have enzymes?

The chemical reactions in our body would not be as efficient.

What does the name of an enzyme usually end in? $500 What does the name of an enzyme usually end in?

-ASE.

What is the building block of carbohydrates? $100 What is the building block of carbohydrates?

Monosaccharide

What is the monomer of proteins? $200 What is the monomer of proteins?

Amino acids

What is the relationship between pH and enzyme activity? $300 What is the relationship between pH and enzyme activity?

pH affects the activity rate of enzymes

What is the pH of an acid and a base? $400 What is the pH of an acid and a base?

Acid: 0-6.9 Neutral: 7.0 Base: 7.1-14

What does denatured mean? $500 What does denatured mean?

That a protein loses it’s shape, and no longer works

Final Jeopardy Based on this graph, where would you find each of these enzymes and WHY?