A cross between a black cat and a tan cat produces a tabby cat (black and tan fur together). What pattern of inheritance does this illustrate?
A.) sex-linked
B.) multiple alleles
C.) co-dominance
D.) incomplete dominance
Answer: C.) co-dominance
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Certain complexes of the mitochondrial electron transport chain pump protons. Which of the following best describes the movement of protons in this situation?
A. across the outer mitochondrial membrane, from the cytoplasm to the intermembrane space B. across the outer mitochondrial membrane, from the intermembrane space to the cytoplasm C. across the inner mitochondrial membrane, from the intermembrane space to the matrix D. across the inner mitochondrial membrane, from the matrix to the intermembrane space
If you give 100 sick people tablets similar to Echinacea but with no herb, what kind of control would this be?
A) A positive control B) A negative control C) A blind control D) A double-blind control
If you add 2g of sugar to water,what do you think is happening to the water potential?
(a) nothing (b) It will stay at zero (c) It will become more negative (d) It will become more positive (e) Two of the above
Action potentials in the heart move from one contractile cell to the next via _____
A) chemical synapses using acetylcholine B) chemical synapses using norepinephrine C) electrical synapses using gap junctions D) non-myelinated motor neurons