Chemistry of Life & Enzymes

Chemistry of Life & Enzymes

Let's review for today's quiz!

Multiple Choice

What process is shown in this picture?

• dehydration synthesis

• hydrolysis

Multiple Choice

What process is shown in this picture?

• dehydration synthesis

• hydrolysis

Multiple Choice

Analyze the elements that compose the reactants and products. What are the reactants in this reaction?

• nucleic acids

• monosaccharides

• amino acids

• fatty acids

Multiple Choice

Based on your previous answer, what type of bond was made to join the two monomers together?

• hydrogen bond

• peptide bond

• helium bond

• glycerol bond

Multiple Choice

Which reaction shows the amount of energy required without enzymes?

• black line

• red line

Multiple Choice

Which reaction shows the amount of energy required with enzymes?

• black line

• red line

Open Ended

What happens to an enzyme when it is heated above its optimal temperature?

Multiple Choice

What is the optimal temperature of this enzyme?

• 50 degrees C

• 40 degrees C

• 60 degrees C

• 70 degrees C

Multiple Choice

At what temperature(s) does this enzyme begin to denature?

• Above 15 degrees C

• Below 15 degrees C

Multiple Choice

What does substrate concentration refer to?

• There aren't enough substrates compared to enzymes

• There aren't enough enzymes compared to substrates

• Substrates and enzymes are in equal amounts

Multiple Choice

What would increase the reaction rate?

• adding more substrates

• adding more products

• adding more enzymes

• adding more water

Multiple Choice

What type of pH does pepsin function best in?

• acidic

• basic

• neutral

Multiple Choice

What is the optimal pH of salivary amylase?

• 2

• 7

• 8

• 9

Open Ended

What do competitive inhibitors compete for?

Open Ended

What do non-competitive inhibitors do to an enzyme?

Multiple Choice

What do competitive and non-competitive inhibitors have in common?

• they both bind to the active site

• they both change the shape of the enzyme

• they both increase the reaction rate

• they both prevent a reaction from occuring