The spinal cord is enclosed by the vertebral column and layers of protective membranes. What are these membranes called?
A. Neural net
B. Viscera
C. Dorsal root
D. Meninges
E. White matter
Answer: D
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Explain how the structures of tracheids and vessel elements are specialized for their conduction of
water and dissolved minerals. What will be an ideal response?
The threads that make up the mycelium of a fungal body are called:
a. yeast. b. thallium. c. spores. d. hyphae. e. fruiting bodies.
Aerobic training ____.
A. makes skeletal muscles more resistant to fatigue B. promotes break down of actin and myosin C. is fueled mostly by creatine phosphate D. produces muscle fibers that fatigue quickly E. makes skeletal muscles become rigid and stiff
Which of the following substances are commercially produced by fungi?
A. cheese B. citric acid C. wine D. some antibiotics E. All of the choices are correct.