Which of the following is TRUE of a chemical reaction?
A. It requires no energy.
B. It rarely occurs with a catalyst present.
C. It changes a substance from one form to another.
D. It is limited to only a few types of organisms.
E. They are usually irreversible.
C. It changes a substance from one form to another.
You might also like to view...
In models of logistic population growth, _____
A) the population growth rate slows dramatically as N approaches K B) new individuals are added to the population most rapidly at the beginning of the population's growth C) new individuals are added to the population as N approaches K D) only density-dependent factors affect the rate of population growth E) carrying capacity is never reached
Which of the following statements about veins is false?
A. Veins located in the head, limbs, and lower body have one-way valves that help prevent blood from pooling due to gravity. B. The blood pressure within the veins is much lower than the blood pressure within the arteries. C. Veins have thinner walls than arteries. D. As much as 80% of the total blood volume resides in the venous circulation at any given time. E. None of the answer options is false.
A homozygous condition would be the possession of alleles for
A. red hair and blonde hair. B. red hair and red hair. C. brown hair and black hair. D. brown hair and red hair.
A drug binds to the active site of an enzyme. If it is bound to the active site of the enzyme, it prevents substrate binding. This drug would be considered a
A. noncompetitive inhibitor. B. competitive inhibitor. C. allosteric activator. D. allosteric inhibitor.