Which of the following is MISMATCHED?
A) Salk vaccine; requires boosters
B) Sabin vaccine; live attenuated vaccine
C) Salk vaccine; administered orally
D) Sabin vaccine; less stable
E) Salk vaccine; inactivated polio vaccine
C
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Which of the following is not a membrane-bound organelle?
A) mitochondrion B) cytoskeleton C) nucleus D) endoplasmic reticulum
The frequency of heterozygosity for the sickle cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?
A) Mendel?s law of independent assortment B) Mendel?s law of segregation C) Darwin?s explanation of natural selection D) Darwin?s observations of competition E) The malarial parasite changing the allele
The 2009 H1N1 flu virus
A) was an avian flu virus. B) was spread by mosquitoes. C) evolved through the genetic reshuffling of viruses that infect humans, birds, and pigs. D) killed over 50 million people worldwide.
Which organism(s) ferment milk lactose, producing acids that curdle the milk?
A) Streptococcus lactis and Lactobacillus B) Spirulina C) Propionibacterium D) Leuconostoc mesenteroides E) Saccharomyces cerevisiae