In a neuron with Vm of ), there is a high concentration of K+ inside of the cell and a low concentration outside. Which statement below is true?
What will be an ideal response?
If K+ channels were open and the electrical forces were absent, diffusion would result in a net movement of K+ out of the cell
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The eyes of many deep-sea fishes are tubular
Indicate whether the statement is true or false
The secondary stage of syphilis
A. is a time when the pathogen enters and multiplies in the blood. B. is when gummas develop in tissues. C. is when the patient is no longer infectious to others. D. occurs within 10 days of the primary stage. E. has no symptoms.
The body wall of cnidarians and ctenophores consist of:
A. three tissue layers. B. a single epidermal layer. C. loosely organized cells. D. two epidermal layers with scattered mesophyll cells in between. E. inner and outer cell layers separated by a jelly-like mesoglea.
Which event or events occur during anaphase?
a. Identical chromatids move to opposite poles b. A spindle made of microtubules is present c. The centrioles are at opposite poles d. All of the listed responses are correct. e. The centromeres divide