Which of the following best defines an allele?
any of the possible forms in which bases can arrange themselves to form a
protein
a segment of a gene composed of DNA
any of the possible forms in which a gene for a particular trait can occur
an amino acid combination which makes up a protein chain
any of the possible forms in which a gene for a particular trait can occur
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The job of the __________ is to find practical ways for the __________ to get its pleasure needs met without offending the morality of the __________.
A. id; ego; superego B. ego; id; superego C. ego; superego; id D. superego; id; ego
Though most elderly prefer to die in their homes, the majority die in institutional settings
Indicate whether the statement is true or false
Dolphins are able to sleep without drowning because they
a. have gills, like fish do. b. have a special opening that allows air in but not water. c. sleep on just one side of their brain at a time. d. inflate their bodies before sleep, which maintains them floating upright so they can breathe without taking in any water.
The infant signals to the mother that it is ready to be born
Indicate whether the statement is true or false