Genes each have a ____ that specifies its position on chromosomes
Fill in the blank(s) with the appropriate word(s).
Ans: locus
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DTC genetic tests are (select all that apply):
A. regulated by the federal government. B. based on stringent scientific evidence for the relationship between particular genes and disease. C. accompanied by consultation with medical professionals who help consumers understand the results of their tests. D. problematic because the link between genotype and risk may be exaggerated for marketing purposes. E. None of the above.
_____ is a risk of self-fertilization in angiosperms.
a. Inbreeding b. Imperfect flowers d. Hermaphroditic plants c. Overpopulation
What process is described here? A concentration gradient of H+ ions is created in the periplasmic space by actively transporting the ions across the membrane using the energy liberated when carrier molecules are oxidized. When the H+ ions pass through ATPase, enough energy is generated to add phosphate groups onto ADP molecules.
A. Deamination B. The Calvin cycle C. Oxidative phosphorylation D. Fermentation E. Substrate-level phosphorylation
Which of the following is true regarding quadrats?
a. A full population count is usually impractical. b. Quadrats are plots of land of the same size and shape that can be used to randomly count a single non-migrating species. c. Once several quadrats are counted, an estimate of number of a particular organism can be extrapolated for a given land mass. d. Sampling error is common if the size of the quadrats is not large. e. All of these are correct.