Which of the following is a source of genetic variation in a population caused by epistatic interactions between genes?
A) Additive genetic variance
B) Dominance variance
C) General environmental effects
D) Interaction variance
E) Maternal effect
D
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Which of the following cellular junctions is involved in creating a barrier between cells?
A. desmosome B. tight junction C. adherens junction D. gap junction
Which are accurate statements about digestion? (Check all that apply.)
_____ Most ingested food particles are digested in the stomach. _____ The muscles in the walls of the pharynx and esophagus contribute to swallowing. _____ Carbohydrates and lipids are digested first, in order to supply the organism with the most immediate energy. _____ The gizzard contains sand or tiny stones swallowed by the bird.
If ATP synthase had a mutation in the F1 complex portion of the protein, which function of ATP synthase would most likely be affected?
A. The flow of protons through the channel B. The rotation of the rotor C. The insertion of the enzyme into the membrane D. The conversion of ADP and Pi to ATP
The biological specialty that deals with the reconstruction and study of phylogenies is called ________.
Fill in the blank(s) with the appropriate word(s).