Metabolism & Enzymes

What is the primary function of enzymes in biological systems?

• To provide energy

• To speed up chemical reactions

• To act as structural components

• To store genetic information.

Tags

NGSS.HS-LS1-1

Enzymes are specific to their substrates because of their ______.

• size

• shape

• color

• weight

Which of the following statements is true about enzymes?

• A) They are used up in reactions

• B) They can be reused

• C) They are made of carbohydrates

• D) They are not affected by pH.

Which of the following is a product of chemical reactions in living organisms?

• ATP

• Water

• Soil

• Wind

Tags

NGSS.HS-LS1-7

What is the process of synthesis in metabolism?

• Hydrolysis

• Anabolism

• Digestion

• Catabolism

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NGSS.HS-LS1-6

Fill in the blank: Enzymes are crucial in both dehydration synthesis and ______.

• A) Photosynthesis

• B) Hydrolysis

• C) Respiration

• D) Fermentation

Fill in the blank: The enzyme in hydrolysis helps to ______ a bond.

• A) Form

• B) Break

• C) Strengthen

• D) Weaken

Building polymers is associated with which type of reaction?

• A) Exergonic

• B) Endergonic

• C) Catabolic

• D) Hydrolysis

Tags

NGSS.HS-LS1-6

What is the change in free energy (ΔG) in an exergonic reaction?

• Positive

• Negative

• Zero

• Undefined

Which reaction type is associated with a decrease in free energy?

• A) Endergonic

• B) Exergonic

• C) Both

• D) Neither