Gene mutations in the sex chromosomes of the human would tend to become visibly expressed ________
A) more frequently in females
B) more frequently in males
C) equally frequently in both sexes
D) in neither males or females
B
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How are the endocrine organ system and nervous organ system alike?
A) They both send nerve impulses. B) Each of the systems regulates different activities. C) Together, they both regulate most of the activities of the body. D) They both have many disorders associated with them. E) One system is more involved with young life, whereas the other becomes more important later in life.
Where does the small intestine begin and end?
What will be an ideal response?
A nephron consists of the ________.
A. renal corpuscle and the renal tubule B. glomerulus, the renal tubule, and the collecting duct C. renal corpuscle, the renal tubule, and the collecting duct D. glomerulus and the renal tubule
________ hormones bind with an intracellular receptor to form a ________, which activates specific genes.
A. Nonsteroid; DNA-mRNA complex B. Nonsteroid; receptor-hormone complex C. Steroid and thyroid; DNA-mRNA complex D. Steroid and thyroid; receptor-hormone complex