D) segmented worms
A) neural crest.
B) neural tube.
C) ventricle.
D) ependyma.
E) neural plate.
E) neural plate.
You might also like to view...
Transduction refers to conversion of ________
A) receptor energy to stimulus energy B) stimulus energy into energy of a graded potential C) presynaptic nerve impulses to postsynaptic nerve impulses D) afferent impulses to efferent impulses
The presence of protein in the urine indicates which of the following?
A) too much protein in the diet B) damage to the filtration membrane C) high levels of transcription and translation by the bodies tissues D) damage to the renal tubules
Which of the following is not a means by which viruses can lead to cellular damage or death?
a. release by the virus of enzymes or toxins that physically injure or disrupt affected cells b. depletion of essential cellular components by the virus c. cellular production of substances toxic to the cell under the dictatorship of the virus d. transformation of normal host cells into cancer cells e. incorporation of the virus into the cell so that the body's own defense mechanisms no longer recognize the cell as part of "normal self" and destroy it
What is found between the visceral pericardium and the parietal pericardium?
A) fibrous pericardium B) pericardial fluid C) the heart D) the lungs