The adrenal ________ releases adrenaline and norepinephrine.
Fill in the blank(s) with the appropriate word(s).
medulla
The adrenal medulla releases adrenaline and norepinephrine.
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A transcription factor that reduces gene expression is called a(n):
A. repressor. B. reducer. C. operator. D. activator.
In barley seed germination, the __________ releases gibberellin which triggers the synthesis of
__________ in the __________. a. seed coat; ?-amylase; embryo b. endosperm; cellulase; embryo c. embryo; ?-amylase; endosperm d. embryo; cellulase; seed coat e. endosperm; ?-amylase; embryo
Fungi and ________ are the main decomposers in the biosphere.
A. animals B. protists C. bacteria D. plants
Bart has just burned his tongue on that hot soup! He is afraid he won't be able to taste anything for the rest of his life. What can you tell him?
What will be an ideal response?