The total white blood cell count ranges from ________ to ________ /mm3 of blood
A) 500, 2000 B) 7200, 16,000 C) 2400, 5000 D) 4800, 10,800
Answer: D
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RNA synthesis from a DNA template
A. occurs in the nucleolus. B. occurs in the cytoplasm. C. is called transcription of the message. D. requires DNA polymerase. E. is called translation of the message.
The synapse formed by __________ in the peripheral nervous system are similar in morphology to the __________ in the central nervous system
A) Terminal boutons; axonvaricosities B) Axonvaricosities; en passant synapses C) En passant synapses; spine synapse D) Spine synapse; terminal boutons Fill in the blanks with the correct answer.
Epithelial tissue ________
A) None of the listed responses is correct. B) has two free surfaces C) does not have cell junctions D) is avascular
Which of the following is a function of the steep Na+/K+ gradient across the cell membrane?
A. Creates electrochemical gradient B. Maintains osmotic pressure C. Provides energy for coupled transport D. All of the choices are correct.