Which of the following statements identifies the process of mitosis?
A. Chromosome pairs align and DNA segments cross over, moving from one member of the pair to the other.
B. DNA splits and each half of the DNA molecule regenerates and replaces it's missing parts, forming two distinct cells.
C. Each cell in mitosis contains only half of the chromosomes that the original cell had.
D. Cells match up with other cells that contain different DNA and merge into one balanced cell.
Answer: B
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What percent of African Americans in late adulthood live below the poverty level?
A. 8 percent B. 12 percent C. 24 percent D. 31 percent
Kohut believes that the person's personality:
a. cannot be changed much after age five b. is still subject to considerable changes after age five c. is always fixated at the oral stage and can not be changed after age two d. can only be changed through interactions with the parents
Regarding the visual perception of babies, which of the following statements is FALSE?
a. Just hours after they are born, babies begin to prefer seeing their mother's face rather than a stranger's. b. At six months old, babies are able to recognize categories of objects that differ in shape or color. c. At age seven months, babies are able to see as well as their parents. d. At nine months old, babies are able to tell the difference between dogs and birds or other groups of animals.
There is a famous neuropsychological example in which Phineas Cage, a railroad foreman, accidentally had a tamping rod shoot from under his chin through his skull damaging his frontal lobe
Which of the following is most likely to have changed for Phineas after the accident? a. his personality c. his ability to recognize objects b. his sense of touch d. his hearing