Homeotic gene products _____
a. flank a bacterial operon
b. map out the overall body plan in embryos
c. control the formation of specific body parts
C
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Cleavage divisions proceed at approximately the same rate in the embryo of _______, reflecting
uniform distribution of yolk.
a. bird b. human c. sea urchin d. frog e. sea urchin and human
The structure labeled "B" is the
a. right ventricle. b. right atrium. c. left atrium. d. left ventricle. e. superior vena cava
Prolactin appears to help us recognize familiar faces and trust other people. Indicate whether the statement is true or false
The hydrogenation of vegetable oil results in:
A) the oil becoming more liquid at room temperature. B) a decrease in the number of hydrogen atoms in the oil molecule. C) an increase in the number of double bonds between the carbon atoms. D) the conversion of monounsaturated fatty acids into polyunsaturated fatty acids. E) a decrease in the number of double bonds between the carbon atoms.