When a bacteria cell lacks necessary nutrients, it becomes an ______. When it gains enough nutrients, it can become a ______.
Fill in the blank(s) with the appropriate word(s).
endospore, vegetative cell
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Which are likely involved in promoting cell differentiation during animal development?
A. differential distribution of cytosolic factors among early embryonic cells B. extracellular signals C. cellular receptors D. specific morphogens E. All of the choices are correct
All fungi are harmful to humans.
Answer the following statement true (T) or false (F)
The __________ is a circular molecule of DNA that resides in a region of cytoplasm called the
__________. Fill in the blank(s) with the appropriate word(s).
Which brain structure is incorrectly matched with its function?
a. thalamus?relays messages to cerebrum b. pons?regulates emotional response c. medulla?regulates coughing and sneezing d. cerebellum?regulates muscle coordination e. inferior colliculi?regulate auditory reflexes