Which is true of interneurons?
a. They detect stimuli.
b. They receive and send signals.
c. They control muscles.
d. They control glands.
e. They have a long axon.
ANSWER: b
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The extracellular matrix (ECM) affects a cell that it surrounds in which ways? (Select all correct choices.)
A. The ECM affects the shape that the cell takes, depending on the structure and composition of the extracellular matrix. B. The ECM affects the genes that the cell expresses, depending on the types of fibrous proteins in the extracellular matrix. C. The ECM affects the size that the cell grows to, depending on the polysaccharides in the extracellular matrix. D. The ECM has no effect on the cells that it surrounds. E. All of these choices are correct.
A reciprocal translocation between two chromosomes can result in the formation of a(n) ____________________ gene
Fill in the blank(s) with correct word
While the transports dissolved organic nutrition molecules, such as sugars, from the leaves after photosynthesis, the transports water and dissolved minerals from the soil to the shoots and leaves.
A. tracheids; vessel elements B. phloem; xylem C. ground tissue; dermal tissue D. wood; meristem E. xylem; phloem
Community ecology is best defined as the study of
A. how groups of species interact in the same place at the same time. B. mutual benefits between organisms at all scales in a region. C. plant distributions in a given region. D. global scale influences of major disturbances such as volcanoes. E. the relationship between abiotic and biotic factors.