Enzymes speed up reactions by lowering the activation energy of a reaction.This is analogous with
A) reducing the force a ball needs to start rolling down a hill.
B) increasing the height an apple will fall from a tree.
C) blocking a flowing river with a dam to stop the flow.
D) causing a snow storm in the middle of summer when temperatures are hot.
E) All answers are correct.
Correct Answer:
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Q7: In most cases,the chemical structure of enzymes
Q8: Enzymes speed chemical reactions by
A) lowering the
Q9: When NaCl (table salt)forms,sodium (Na)loses energy by
Q10: Oxidation is
A) the gain of oxygen by
Q11: The chemical formula for glucose is
A) C₆H₆O₆.
B)
Q13: Oxidation-reduction reactions
A) transfer electrons from one molecule
Q14: The energy source that powers photosynthesis is
A)
Q15: Examples of potential energy include
A) chemical bonds
Q16: The amount of energy required to raise
Q17: Which statement is not directly connected with
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