Dendrites
A. transmit signals away from the cell body.
B. use hormones to transmit information.
C. manufacture proteins to be used by the neuron.
D. transmit signals toward the cell body.
E. None of the choices is correct.
Answer: D
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A pump is attached to the common carotid artery and red ink is pumped in. Which structures of the body will show the red ink?
A. The intercostal muscles and chest area B. The large intestine and portions of the small intestine C. The arms and the hands D. The neck and the head
The inner cell mass
A. becomes part of the placental membrane. B. gives rise to the embryo. C. becomes part of the chorion. D. forms the amnion.
The basic unit of heat energy is the kilocalorie, which is the amount of heat required to raise the temperature of 1 g of H2O by 1°C
a. True b. False Indicate whether the statement is true or false
Which of the following statements concerning oogenesis is false?
A) Oogenesis begins before birth. B) Ova develop from stem cells called oogonia. C) An ovum completes meiosis II after it is fertilized. D) About half the oogonia complete mitosis between birth and puberty. E) By the time of their birth, girls have already lost about 80 percent of their oocytes.