Please refer to the following figure. A researcher discovers a new bacteria whose genome is ~8 Mb in size. What type of bacteria is this likely to be?
a. free-living
b. obligate
c. obligate symbiont
d. any of the above
e. cannot be determined with the information provided
A
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In the eukaryotic DNA sequence below, which type of repeat is highlighted?
A. tandem repeat B. dispersed repeat C. simple sequence repeat D. long terminal repeat E. short terminal repeat
__________ pathogens obtain resources from living cells, whereas __________ pathogens kill cells before colonizing them
A. Biotrophic; necrotrophic B. Necrotrophic; biotrophic C. All bacterial; all fungi D. All fungi; all bacterial E. Asymptomatic; symptomatic
Which of the following is the rate at which photosynthetic primary producers incorporate energy from the sun into an ecosystem?
a. net solar production b. net primary productivity c. gross primary productivity d. gross solar production
In twin studies, geneticists look for situations in which genetic and environmental influences are clearly
____________________.