Which of the following best describes the number of distinct evolutionary branches in the domain
Bacteria, as revealed by genome sequencing studies?
a. 3?4
b. 6?7
c. 9?10
d. at least 12
e. at least 20
D
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Which of the following statements is incorrect regarding malaria?
A. The mosquito inoculates human blood with sporozoites. B. Gametocytes enter the mosquito as she draws a blood meal from a human. C. Trophozoites develop in red blood cells. D. Merozoites enter and multiply in liver cells.
If tennis players develop calcium deposits in their elbow joint, they will not be able to hit the ball
effectively. If musicians develop calcium deposits in their middle ear:a. they will not be able to detect any sound. b. they will have difficulty maintaining their balance. c. they will not be able to detect linear acceleration. d. they may have difficulty hearing soft sounds. e. they may have difficulty detecting direction when driving a car.
A Mendelian test cross is used to determine whether
A) an individual is homozygous or heterozygous. B) an allele is dominant or recessive. C) segregation or independent assortment is occurring. D) the genotype or phenotype is more important. E) the flowers are purple or white.
Match the nutritional category of microbe to its source of carbon and its energy source. Photoheterotroph
A) Carbon dioxide and simple inorganic chemicals B) Organic carbon and metabolic conversion of the nutrients from other organisms C) Organic carbon and sunlight D) Carbon dioxide and sunlight