A signal sequence in the polypeptide chain targets all but _______ proteins to the rough ER surface.
a. secreted
b. plasma membrane
c. mitochondrial
d. lysosomal
Ans: c. mitochondrial
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Hemophilia was a significant issue in the life of
A. Abraham Lincoln. B. Olympic volleyball star Flo Hyman. C. Noah. D. the family of the last tsar of Russia. E. King George III of England.
Which of the following best describes the parents in a testcross?
A. one individual has the dominant phenotype and the other has the recessive phenotype B. Both individuals are heterozygous C. Both individuals have the dominant phenotype D. Both individuals have the recessive phenotype E. Both individuals have an unknown phenotype
If the blood is alkaline,
Select one: a. more hydrogen ions and bicarbonate ions are excreted. b. less hydrogen ions and more bicarbonate ions are reabsorbed. c. less hydrogen ions are excreted and less bicarbonate are reabsorbed. d. the kidneys reabsorb increased amounts of water. e. the diet must be low in necessary acids.
Which of the following protists are capable of forming cysts?
A) E. histolytica B) A. proteus C) T. gambiense D) T. vaginalis