1. What is activation energy? A. The energy used by the active site to split a substrate. B....

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Biology

1. What is activation energy?
A. The energy used by the active site to split asubstrate.
B. The energy released when a substrate binds to an activesite.
C. The energy required to start a metabolic reaction.
D. The energy required to raise the temperature of 1 gram ofwater by 1 degree Celsius.
2. Which statement defines your body's metabolic rate?
A. The speed at which chemical reactions occur when you areresting but awake
B. The number of Calories needed to keep your weightstable
C. All of the chemical reactions in your body
D. A measure of your bodyâ€™s energy use Â Â Â
3. Which statement about enzymes is true?
A. One enzyme can catalyze many different types of reactionsfor a variety of substrates.
B. The shape of an enzyme determines its specificity.
C. Enzymes eliminate the activation energy barrier.
D. An enzyme molecule is permanently changed by the substratemolecule.
4. Which reaction occurs during glycolysis?
A. Glucose is converted into carbon dioxide.
B. Glucose is converted into water.
C. Glucose is converted into ATP.
D. Glucose is converted into pyruvic acid.

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4.2 Ratings (588 Votes)

1 c The energy required to start a metabolic reaction The activation energy is defined as the amount of energy required to start a chemical reaction measured in joules J or kilojoules kJ per mole the molecular weight in grams of reactants Enzymes are proteins that bind to a molecule or substrate to modify it and lower the energy required to make See Answer

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