Compared to sea urchin eggs, those of mammals
A) complete the fertilization process more rapidly.
B) have not already completed meiosis at the time of ovulation.
C) have a more distinct animal pole.
D) have a more distinct vegetal pole.
E) have no requirement for the cortical reaction.
Answer: B) have not already completed meiosis at the time of ovulation.
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__________________ Indicate whether the statement is true or false.
Long-term memory:a
involves reverberating circuits. b. is limited to about seven chunks of information at a given time. c. requires several hours for the memories to become consolidated. d. is also known as explicit memory. e. depends on activated receptors that are linked to G proteins.
All of the following are responses to allergen detection generated by mast cells EXCEPT
A. inflamma¬tion in the airways. B. increased mucus secre¬tion. C. sneezing. D. hives. E. fever.
With the exception of identical twins, siblings who have the same two biological parents are likely to look similar, but not identical, to each other because they have
A) identical chromosomes but different genes. B) identical genes but different chromosomes. C) the same combination of traits but different genes. D) a similar but not identical combination of genes.