In female mammals, the inactive X chromosome in each cell
A) can be activated if mutations occur in the active X chromosome.
B) is broken down, and its nucleotides are degraded and reused.
C) is absorbed and used in energy production.
D) becomes a Barr body.
Answer: D
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Countries establish Export Processing Zones (EPZs) to attract
A) export-oriented industries. B) propulsive industries. C) foreign aid. D) secret, tax-sheltered monies. E) maquiladoras.
Secondary phloem
A. includes live companion cells and dead sieve cells. B. encompasses more stem volume than secondary xylem. C. primarily stores carbohydrates. D. is part of the inner bark. E. is produced by the cork cambium.
In what type of tissue are glands found?
a. epithelial b. connective c. nervous d. muscle e. more than one of these
Which of the following macromolecules can be broken down into intermediate products that enter cellular respiration?
A. lipids B. nucleic acids C. proteins D. carbohydrates E. All of the choices are correct.