Similar body parts that reflect shared ancestry
are known as
a. analogous structures.
b. homologous structures.
c. vestigial structures.
d. homozygous structures.
e. morphological structures
B
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The blood type A can be produced with what genotypes?
A. AO B. AB C. BA D. OO E. BB
The ____ component of the cell membrane functions as a selective barrier, while the ____ component has specific
functions such as transport, recognizing other cells, and binding to other cells.
a. carbohydrate; nucleic acid b. protein; lipid c. lipid; protein d. lipid; carbohydrate e. carbohydrate; protein
A patient has a problem with semilunar valve function. You would expect to observe
A. backflow of blood from the arteries leaving the heart into the ventricles. B. backflow of blood from the veins leaving the heart into the ventricles. C. backflow of blood into large veins. D. backflow of blood from the ventricles into the veins leaving the heart. E. backflow of blood from entering the arteries.
Movement of an action potential in only one direction along a neuron is a function of __________.
Fill in the blank(s) with the appropriate word(s).