Although the exact microbial composition varied among individuals, the HMP found that the collection of _______ made by the normal biota was very stable
Fill in the blank(s) with the appropriate word(s).
proteins
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To explain the origin of the nuclear genome, which of the following hypotheses are most widely accepted?
A. Endosymbiotic relationship. B. Symbiotic relationship. C. Mitochondrial relationship. D. Both the endosymbiotic and symbiotic relationships. E. Endosymbiotic, symbiotic and mitochondrial relationships.
In Drosophila melanogaster, the gene for eye color is located on the X chromosome. The allele for red eye color
(Xw+) is dominant over the allele for white eye color (Xw). You examine a vial of 100 flies that are all offspring from a single genetic cross. You see only red-eyed females present, but you see both red-eyed and white-eyed males present. The genotypes of the parents were ____.
a. Xw+Xw+; Xw+Y b. XwXw; Xw+Y c. Xw+Xw; XwY d. Xw+Xw; Xw+Y e. XwXw; XwY
The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet again and _____
A) an increasing number of infertile hybrids is produced over the course of the next one hundred generations B) no reproduction occurs in the hybrid zone C) an increasing number of viable, fertile hybrids is produced over the course of the next one hundred generations D) a decreasing number of viable, fertile hybrids is produced over the course of the next one hundred generations
A diet offered to experimental animals that is composed of a wide variety of palatable foods
What will be an ideal response?