Skin color and eye color are examples of
a. traits related to pleiotropic genes.
b. single gene traits.
c. polygenic traits.
d. bigenic traits.
e. mutually exclusive traits
C
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The proteins of the electron transport chain are:
A. embedded in the inner mitochondrial membrane. B. embedded in the outer mitochondrial membrane. C. embedded in both mitochondrial membranes. D. located in the intermembrane space of mitochondria. E. located in the mitochondrial matrix.
Four of the five answers listed below are nonreproductive parts of a flower. Select the exception
a. receptacle b. anther c. corolla d. petal e. sepal
Mail-order catalogs often advertise a device for repelling irritating insects. One device has a frequency range from 30,000 to 65,000 cycles per second (Hz). Humans hear from roughly 50 to 15,000 cycles per second. In designing an experiment to determine if this device actually does repel a certain insect, what question(s) should you ask?
A. Is the target insect able to perceive a sound between these frequencies? B. Does the insect move away from this sound device at a rate higher than random chance? C. Does the insect produce any sounds within this range that would lead to a biological function to perceiving such frequencies? D. Does the insect approach this sound device at a rate higher than random chance? E. All of the choices are correct.
What is binomial nomenclature?
a. Classifying organisms into seven levels b. The naming system developed by Aristotle c. Grouping animals based on how they move d. A naming system in which each organism is given a two-part name