Genes that are always "turned on" in a cell are referred to as
A) regulated genes.
B) mutations.
C) inducible.
D) constitutive.
E) catabolic.
Answer: D
Biology & Microbiology
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The surface defenses of the body consist of the ______ and the mucous membranes lining the digestive and respiratory tracts.
A. bone marrow B. skin C. T cells D. lymphocytes
Biology & Microbiology
In plants like the fern, haploid cells produced by meiosis divide by ________, forming a multicellular haploid phase.
A. budding B. mitosis C. meiosis D. binary fission
Biology & Microbiology
Which taxonomic rank is least inclusive?
A. family B. genus C. order D. species
Biology & Microbiology
Why are the data shown in Figure 17.7 below consistent, but not conclusive of runaway sexual selection?
What will be an ideal response?
Biology & Microbiology