The domain Archaea was discovered in the mid-1970s. Despite the recent start to investigations of archaeal species, some general chromosome and genome characteristics are clear
Which of the following similarities have been found between archeae and bacteria? A) they have no nucleus
B) they are haploid
C) a high percentage of the genome encodes proteins
D) many genes share promoters
E) all of the above
E
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When microbes are introduced into the environment to restore stability, the process is called
A. immunology. B. genetic engineering. C. epidemiology. D. bioremediation. E. taxonomy.
Since ________ binds CO2 more readily than does rubisco, scientists would want to incorporate this compound into agricultural plants.
A. chlorophyll B. a four-carbon organic acid C. phosphoenolpyruvate carboxylase D. cam photosynthesis E. oxygen
Increases in MSH could result in increased pigmentation
Indicate whether the statement is true or false.
Which of the following is TRUE at the end of
telophase I in corn (20 chromosomes)? a. Each cell has 10 chromosomes. b. Each chromosome is double-stranded. c. Centromeres connect sister chromatids. d. Each cell has 10 chromosomes, and each chromosome is double-stranded. e. Each cell has 10 chromosomes, each chromosome is double-stranded, and centromeres connect sister chromatids.