Nutrients pass through this
a. A
b. B
c. C
d. D
e. E
Answer: e
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Which of the following is a Wnt pathway membrane protein?
A. Wnt B. Dsh C. frizzled D. Hedgehog
Because transmission electron microscopy uses electrons rather than light, it is not necessary to stain biological specimens before observing them.
Answer the following statement true (T) or false (F)
You feel discomfort and possibly pain when the dentist drills a hole in your tooth because the:a
heat of the drilling process is felt by the gum tissue. b. pulp cavity contains nerves. c. tooth decay has invaded the pulp cavity.
d. dentist is applying too much pressure to the drill. e. decay has affected the dentin.
Proteins that recognize unfolded polypeptides and help them fold into their proper conformations are called ________.
Fill in the blank(s) with the appropriate word(s).