Which of the following describe the placenta? (Check all that apply.)
_____ The bloods of the mother and the embryo come in close contact without mixing.
_____ The placenta neutralizes toxins like alcohol and drugs before they reach the fetus.
_____ Oxygen diffuses from the mother to the embryo.
_____ Carbon dioxide diffuses from the embryo to the mother.
_____ The placenta provides nourishment and hormones to the embryo.
_____ The antibodies made in the embryo protect the mother from infections.
__X__ The bloods of the mother and the embryo come in close contact without mixing.
_____ The placenta neutralizes toxins like alcohol and drugs before they reach the fetus.
__X__ Oxygen diffuses from the mother to the embryo.
__X__ Carbon dioxide diffuses from the embryo to the mother.
__X__ The placenta provides nourishment and hormones to the embryo.
_____ The antibodies made in the embryo protect the mother from infections.
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Very large projection on femur _______ .
a. Tubercle b. Epicondyle c. Meatus d. Trochanter e. None of the above
Which of the following completes its life cycle by infecting a mosquito and a vertebrate?
a. Plasmodium falciparum b. Trypanosoma brucei c. Trypanosoma cruzi d. Plasmopara viticola
Which of the following elements was NOT
included in the Urey-Miller experiments?
a. oxygen b. methane c. ammonia d. water vapor e. electrical sparks
Studies have shown that the longer one engages in moderate exercise conditions,
A. the more fats are used as the prime source of energy. B. the more glycogen is stored in muscle cells. C. the more protein is spared from being used to provide energy. D. All of these answers are true.