Which of the following is a true statement about the DNA of chimpanzees?
A. Chimpanzees share less than 90% of DNA sequences with humans.
B. Chimpanzees express different genes in their brains than people do.
C. Chimpanzees have genes that do not alter their expression patterns based on experience.
D. The genes of chimpanzees cannot downregulate their activity.
Answer: B
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Along with genetic characteristics, which factor is a major contributor to heart and circulatory disease?
A. cigarette smoking B. intellectual ability C. excessive exercise D. diet low in fats and cholesterol
The forebrain can be divided into lobes. Which of the following is not a lobe?
A. frontal B. parietal C. lateral D. occipital
Creating phosphenes illustrates how which of the following processes occurs in the eye?
a. sensory gating b. accommodation c. absolute threshold d. sensory coding
The 24th week is often set as the legal upper limit for medical abortion. At this point in time, the milestone that is reached by the developing fetus is
a. the heart and circulatory system begin to function. b. spontaneous movement is apparent for the first time. c. sex differentiation and sex organ development is now completed. d. the minimal age of viability has been reached.