How are the sympathetic and parasympathetic nervous systems similar?
What will be an ideal response?
They control involuntary actions and innervate many of the same organs. The sympathetic system prepares for action, whereas the parasympathetic system allows for relaxation. There are also differences in the anatomy of the systems.
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Proteins are made of smaller molecules (monomers) called _______
Fill in the blank(s) with the appropriate word(s).
If you were to remove the anthers from a self-incompatible plant, how would this affect the fertilization of its female gametes?
A. Fertilization would continue, as selfincompatible plants rely on pollen from other individuals. B. Fertilization would stop, as selfincompatible plants are fertilized with pollen they produce. C. Fertilization would continue, as selfincompatible plants are fertilized with pollen they produce. D. Fertilization would stop, as selfincompatible plants rely on pollen from other individuals.
Transcription factors generally "read" DNA sequences through amino acid–nucleotide contacts in the major groove because:
A. there are no minor groove hydrogen bond acceptors available at A–T base pairs. B. the minor groove displays only methyl functional groups for recognition. C. there are more hydrogen bond donors and acceptors in the major groove. D. all minor groove functional groups are the same.
What is the fundamental unit of life?
A. cell B. ecosystem C. gene D. biome