Promoter sequences in which region relative to the initiation site of a gene are adequate to initiate eukaryotic transcription by RNA polymerase I?
a. -10 and -80
b. -25 and -35
c. -45 and +20
d. -180 and -105
c. -45 and +20
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Fungi are able to handle acidic environments much better than bacteria
Indicate whether this statement is TRUE or FALSE.
A friend tells you a story about his grandmother, who moved to your city from her home across the ocean when she was very young, bringing with her a pair of mice that were commonly kept as pets where she was born. Shortly after arriving, however, the mice escaped. After listening to this story, you do some research and discover that the wild mice that live in your city have only been documented within the past half century and, although they share distinctive traits with domesticated mice that only exist near your friend’s grandmother’s birthplace, they are unable to interbreed. Which statement could be true?
a. The mice in your city have acquired a mutation that renders them incapable of reproduction. b. The two populations of mice are unable to reproduce due to reinforcement. c. Your friend’s grandmother inadvertently caused allopatric speciation via dispersal. d. The similarity between these two species of mice can be explained by vicariance.
The portion of the nervous system that is responsible for increasing heart rate, as well as increasing
movement of the intestines, is the
a. autonomic nervous system. b. sympathetic division. c. parasympathetic division. d. somatic nervous system. e. interaction between the somatic and autonomic nervous system.
Double-ringed nitrogenous bases like adenine and guanine in DNA always bond with other double-ringed bases.
Indicate whether the statement is true or false