Eggs from which of the following organisms would contain the lowest percentage of yolk?
a. birds
b. humans
c. insects
d. reptiles
e. moths
B
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Hemophilia is caused by a
A. recessive allele on the X chromosome. B. dominant allele on the X chromosome. C. codominant allele on the X chromosome. D. recessive allele on an autosome. E. dominant allele on an autosome.
Before examining a fungal cell under a microscope, you are told that it is a dikaryotic cell. Given that,
you should expect the cell to have
a. two complete sets of chromosomes. b. two nuclei. c. two hyphae. d. two complete sets of chromosomes and two nuclei. e. two nuclei and two hyphae.
Which process does not match the location in a typical eukaryotic cell?
a. glycolysis?mitochondrion b. formation of acetyl coenzyme A?mitochondrion c. citric acid cycle?mitochondrion d. electron transport?mitochondrion e. chemiosmosis–mitochondrion
Which of the following describes how the hygiene hypothesis is related to type I hypersensitivity reactions?
A) Up to 30 percent of people in undeveloped countries suffer from allergic rhinitis. B) Food allergies have increased 3-fold in chronically poor families as compared to wealthy families in the United States. C) Children living on a farm are 25 percent more likely to experience seasonal allergies than children living in a large city. D) Between 1997 and 2011, the incidence of food allergies in the United States increased by 50 percent. E) Wealthy individuals are 10 times more likely to experience anaphylactic shock as compared to someone raised in an orphanage during adolescences.