In a monocot seed, what is the fate of the
coleoptile?
a. it becomes the stem
b. it becomes the root
c. it stops growing
d. it becomes the cotyledon
e. it becomes the hypocotyl
C
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Celiac disease is an autoimmune disorder which destroys the microvilli of the small intestine. Vitamin B12 can be absorbed by passive diffusion across the microvilli of the small intestine. Consider a patient who has had 10% of their microvilli destroyed. If the concentration of vitamin B is 0.6 pg/ml inside the lumen of the small intestine and 0.3 pg/ml on the inside of an epithelial cell, how is the diffusion rate of vitamin B altered in this patient?
A. It is reduced by 10%. B. It is reduced by .003%. C. It is increased by 10%. D. It is reduced by .3%. E. It is increased by .3%.
It is the morning of a big test. You are very nervous about it. Your heart is racing and your blood pressure is increased
You are feeling the effects of the ____ division of the ____ nervous system.
a. parasympathetic; autonomic b. parasympathetic; somatic c. sympathetic; autonomic d. sympathetic; somatic e. autonomic; somatic
Population size levels off at the ________ of an environment.
A. biotic potential B. population growth C. carrying capacity D. environmental resistance
Compare and contrast viruses, prions, and viroids.
What will be an ideal response?