Which statement accurately describes the effects of substrate and enzyme concentrations on reaction rate?
A. An increase in either substrate or enzyme concentration will increase the reaction rate.
B. An increase in either substrate or enzyme concentration will decrease the reaction rate.
C. An increase in substrate concentration increases the reaction rate, but enzyme concentration has no effect.
D. A decrease in substrate concentration or an increase in enzyme concentration increases the reaction rate.
E. An increase in substrate concentration or a decrease in enzyme concentration will increase the reaction rate.
A
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The kidneys secrete ADH in response to dehydration.
Answer the following statement true (T) or false (F)
Bronchial arteries that supply oxygenated blood to the lungs and bronchi arise from the ________
A) thoracic aorta B) aortic arch C) abdominal aorta D) heart
Which structure has fimbriae?
A. Uterus B. Ovary C. Uterine tubes D. Vulva
Which of the following is true of joints that are first-class levers?
A. The fulcrum is at the opposite end from the tendinous attachment. B. Their output force is always greater than the input force. C. Their mechanical advantage is always less than 1.0. D. Their resistance is between the fulcrum and the distal end of the bone. E. The fulcrum is in the middle.