SAT 1 12 SACE Bio (not metab)

Front

Any substance that is acted upon by an enzyme is called a(n)?

Back

Substrate

Front

In the diagram, what is letter A? Options: product, substrate, enzyme-substrate complex, active site

Back

enzyme-substrate complex

Front

Based on the graph, what is the optimal temperature for this enzyme? Options: 15^oC, 40^oC, 30^oC, 35^oC

Back

30^oC

Front

Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means? Options: reducing the number of products, reducing the activation energy, increasing the temperature of the cell, increasing the concentration of reactants

Back

reducing the activation energy

Front

What happens to the reaction rate if an enzyme is denatured or non-functional?

Back

Decrease in reaction rate

Front

Which of the following is a way to overcome competitive inhibition of an enzyme? Options: Increase product concentration, Increase substrate concentration, Decrease enzyme concentration, Decrease environmental temperature

Back

Increase substrate concentration

Front

Which of the following would NOT denature an enzyme? HIGH temperature, LOW pH, HIGH pH, LOW temperature

Back

LOW temperature

Front

Why are some bacteria metabolically active in hot springs?

Back

Their enzymes have high optimal temperatures.

Front

When a molecule can occupy the same active site as the substrate, a situation called __________________ can result.

Back

Competitive Inhibition

Front

Which organelle is the protein factory? Options: Ribosomes, Mitochondria, Centriole, Lysosomes

Back

Ribosomes