Fraternal twins
A. are the result of one fertilized egg dividing to become two individuals.
B. do not usually have the same DNA.
C. result from two eggs being fertilized by one sperm.
D. result from one egg being fertilized by two sperms.
B. do not usually have the same DNA.
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Which of the following describes the property shared by elements within the same column (or group) in the periodic table of elements?
a. Elements within the same group have the same electrical charge. b. Elements within the same group have the same number of neutrons in their nuclei. c. Elements within the same group share the same electron configuration in their valence shells. d. Elements within the same group have the same atomic radius.
A tendon or ligament is made up principally of ________ tissue
Fill in the blank(s) with correct word
After surgical removal of an infected gallbladder, a person must be especially careful to restrict dietary intake of _____
A) protein B) sugar C) fat D) water
The most plausible explanation for the high number of spiders in plot 4 is:
A. there are too many flies overall. B. there are no centipedes to prey on the spiders and there are abundant flies upon which to feed. C. the spiders preyed on the centipedes and ignored the flies. D. the flies and spiders worked together to eliminate the centipedes.