The modern synthesis theory of evolution explains Darwin’s observations of variation among
offspring in terms of amino acid substitutions.
__________________ Indicate whether the statement is true or false.
F, nucleotide
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In eukaryotes, general transcription factors _____
A) are required for the expression of specific protein-encoding genes B) bind to other proteins or to the TATA box C) inhibit RNA polymerase binding to the promoter and begin transcribing D) usually lead to a high level of transcription even without additional specific transcription factors E) bind to sequences just after the start site of transcription
After a haploid spore germinates, if then complete mitosis, forming hyphae. The resulting hyphae are
A. diploid. B. dikaryotic. C. zygotes. D. gametes. E. haploid.
Lethal mutations can be recovered in bacteria if they are ________.
A. active B. conditional C. dominant D. None of the choices are correct.
Which of these is not a characteristic of Klinefelter syndrome?
A) underdeveloped testes B) long limbs C) low testosterone levels D) XXY genotype E) web of skin between the neck and shoulders