What is different about ferns compared to seed
producing plants?
a. they have a gametophyte stage
b. they produce spores
c. the zygote develops into a sporophyte
d. the roots form from an underground stem
e. more than one of these is different about
ferns
D
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One example of infectious disease transmittion by a fomite is
A. a baby born with congenital syphilis from an infected mother. B. a teenager with severe acne due to propionibacteria growing in sebaceous glands. C. a child developing a cold after playing with a toy that harbored rhinovirus. D. None of the choices are correct.
Anemia will result from a deficiency in
A. sodium. B. magnesium. C. iron. D. lead.
The terminal pathway of the complement cascade encompasses C5, C6, C7, C8, and C9. It results in the formation of the Membrane Attack Complex.
a. true b. false
What would happen if your SA node and AV node fired at same time?
A. Blood would be forced back into the atria from the ventricles. B. The QRS wave on an ECG would disappear, as it would be masked by the P wave. C. Your blood pressure would increase. D. Your stroke volume would decrease. E. The production of nitric oxide by your endothelial cells would increase.