Which of the following best describes the interaction between an enzyme and its substrate?
A. Part of the enzyme temporarily binds part of the substrate molecule.
B. The enzyme temporarily deactivates the substrate.
C. The enzyme surrounds and completely contains the substrate.
D. The substrate surrounds and completely contains the enzyme.
Answer: A
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The energy equivalent of oxygen is the
a. number of calories contained in every liter of oxygen consumed. b. value that equates how much energy is liberated from food for every liter of oxygen consumed. c. oxygen consumption required for the processing and storage of ingested foodstuff. d. energy required to raise 1 g of H2O 1°C. e. none of these answers.
The word "anatomy" comes from
?A. Latin and means "to be born." ?B. Hebrew and means "shape." ?C. Greek and means "to cut apart." ?D. German and means "body." ?E. Italian and means "form."
Where are the trabeculae located?
A) Within the osteon B) Spongy bone C) Epiphyseal plate D) Compact bone
With regard to the female reproductive system:
A) metr/o, uter/o, and hyster/o all are combining forms for the uterus B) mastectomy is surgical removal of the mammary gland C) dystocia is a difficult birth D) all of the above E) A and C