The "window period" for HIV is the time when the person is mostly likely to test positive for HIV antibodies.
a. true
b. false
Answer: b. false
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Recent research has shown that von Frisch was not completely correct about the difference between the round dance and waggle dance. The new information suggests that in honeybees, the _____
A) waggle dance communicates information about the quality of the food B) round dance communicates direction as well as distance C) waggle dance communicates the type of food D) round dance communicates the time of day the food will be available E) waggle dance communicates the favored food of the hive
What is a major difference between mitosis and meiosis I in a diploid organism?
A) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis I. B) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis II. C) DNA replication takes place prior to mitosis, but not before meiosis I. D) Only meiosis I results in daughter cells that contain identical genetic information.
The tall and short phenotypes in pea plants are examples of
A. polygenic traits. B. continuous traits. C. multifactorial traits. D. discontinuous traits. E. gene interaction.
The two major divisions of the nervous system are the...
What will be an ideal response?