Genes produce their products ________.
A. as their products are needed or not
B. at a steady rate all the time
C. when the transcription activator is inhibited by an extracellular signal
D. only when the appropriate hormone is present
Answer: A
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Match each statement with the correct term.
A. jugular notch B. thymus C. gladiolus D. thebesian valve E. pleura F. hilum G. carina H. coronary sinus I. semilunar valve J. foramen ovale
Which of the following rodents will bite if touched while sleeping?
a. gerbil c. mouse b. hamster d. ferret
The semimembranosus inserts _____ on the ____ tibial condyle.
Fill in the blank(s) with the appropriate word(s).
Which of the following does NOT aid in giving the internal surface of the small intestine a larger surface area?
A. Microvilli B. Rugae C. Villi D. Circular folds