Figure 1.3
What is represented in frame 5 of Figure 1.3, illustrating the levels of life's organization?
A. Atom
B. Tissue
C. Molecule
D. Organ
E. Cell
Answer: D
You might also like to view...
Which of the following statements about nitrogenous waste excretion is correct?
A. Uric acid is less toxic than ammonia, but more energetically costly to produce. B. Ammonia is more toxic than urea, but requires less water for excretion. C. Urea is less toxic than uric acid, but more energetically costly to produce. D. Uric acid is less toxic than urea, but requires more water for excretion. E. Ammonia is less toxic than uric acid, but requires more water for excretion.
Which birth control method does NOT suppress ovulation?
a. emergency contraception pills b. birth control pill c. Progestin implants d. tubal ligation e. progesterone patches
Prenatal detection of human diseases has been greatly enhanced by two procedures. Name and briefly describe each
What will be an ideal response?
Patients who have type 2 diabetes no longer express genes when exposed to insulin. How might this phenomenon be explained?
A. Insulin can no longer bind to the insulin receptor because the receptor is mutated. B. The nucleus of their cells are altered so that insulin can not bind. C. Transcription factors normally activated by insulin remain off. D. The signal transduction pathways in the cells no longer exist. E. The insulin signal transduction pathway becomes permanently activated.