Which of the following symptoms are characteristic of someone who has AIDS?
a. All of these choices
b. Enlarged lymph nodes
c. Weight loss
d. Chronic fatigue
e. Fever
a
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Which of the following describes ATP hydrolysis? Select all correct choices
A. exergonic B. spontaneous C. often coupled to a reaction that has a positive ?G
One of the reasons that pufferfish are a good species to compare to humans is because
A. it is so easy to hybridize the two and investigate the consequences. B. they are so distantly related that it's easy to distinguish mutually conserved sequences. C. the introns are often identical. D. of the rapid response time in pufferfish to artificial selection. E. they have been separated for so many millions of years and yet the gene sequence is almost identical.
The theory of segregation
a. concerns alleles governing two different traits. b. applies only to linked genes. c. applies only to sex-linked genes. d. explains the behavior of a pair of alleles during meiosis. e. none of these.
In a wind-pollinated species, which of these floral parts is likely to be inconspicuous or absent?
A. pistils B. stamens C. stigmas D. petals E. receptacle