How many bones are in the adult human skeleton?
a. 336
b. 26
c. 201
d. 106
e. 206
e
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The presence of an extra X chromosome is more likely to result in a viable human fetus than an extra copy of an autosome because:
A. expression of genes from the X chromosome is restricted to early development of females. B. the X chromosome carries few genes, so dosage is not a problem. C. the X and the Y chromosomes do not recombine along most of their length. D. the X chromosome is the "female" chromosome. E. None of the above F. All of the above
The process of encoding genetic information into a functional part of the cell is called ________
a. translation b. mitosis c. gene expression d. replication e. transcription
You are scheduled to give a seminar to your fellow med school students, and have chosen to speak about the pituitary. What important points will you include? (Check all that apply.)
_____ The posterior pituitary is derived from the brain, while the anterior pituitary is not. _____ The anterior pituitary is derived from the brain, while the posterior pituitary is not. _____ The pituitary is a compound endocrine gland. _____ Each half of the pituitary secretes one important hormone. _____ Some pituitary hormones have sex-specific effects. _____ If there is too little iodine in the diet, the pituitary can grow into a goiter. _____ The pituitary is responsible for producing at least nine major hormones.
White muscles are designed to contract
a. quickly. b. quickly and for short periods. c. slowly. d. slowly for short periods. e. slowly for long periods.