In what way are nerve cells and muscle cells that attach to the skeleton similar?
a) both have the same function in the body
b) both are unspecialized
c) both are organized into tissues in complex animals
d) both represent the highest level of complexity in complex animals
Ans: c) both are organized into tissues in complex animals
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Homeostatic regulation relies on:
A. negative feedback. B. positive feedback. C. both negative and positive feedback. D. It varies depending on the magnitude of the stimulus and response. E. It varies depending on the specific activity under investigation.
In phloem, bulk flow occurs from regions of high to low ________ concentration.
A. solute B. mineral C. water D. cytosol E. cytoplasm
When plants are produced by cloning, which process is most directly involved?
a. mitotic cell division b. binary fission c. meiotic cell division d. gamete production e. budding
A(n) (symport/antiport/uniport) is a carrier protein that transports two substances in the same direction across a membrane
What will be an ideal response?