Archaea, Bacteria, and Eukarya are:

A. phyla
B. kingdoms
C. families
D. domains
E. none of the options listed


D. domains

Biology & Microbiology

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Which process can cause duplication? (Select all that apply.)

A) repair of one double-strand break by homologous recombination B) repair of two double-strand breaks that occur in different places on different sister chromatic C) repair of two double-strand breaks that occur in the same chromatin by non homologous end-joining D) misalignment of homologous chromosomes at repetitive sequences followed by crossing-over E) a mutagen that introduces point mutations

Biology & Microbiology

Nearly all animals spend their life as _____ organisms.

a. gamete b. diploid-dominant c. haploid-dominant d. both haploid- and diploid-dominant

Biology & Microbiology

Which of the following is an autosomal recessive disorder?

A) hemophilia B) sickle-cell anemia C) Down syndrome D) Huntington disease E) Turner syndrome

Biology & Microbiology

Which characteristic is associated with a benign tumor?

a. rapid growth b. poor cell differentiation c. expansion within the same tissue d. severe dysplasia e. metastasis

Biology & Microbiology