Which is the temporary blood vessel that shunts most blood past the fetal liver?
A) ductus arteriosus B) aorta C) foramen ovale D) ductus venosus
Answer: D
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A drug that specifically inhibited the replication of the large DNA mass present in large mitochondria would be MOST effective at killing
A) euglenids. B) ciliates. C) Trypanosoma spp. D) Toxoplasma spp.
Vasectomy and tubal ligation result in
A) a lack of semen or menstrual flow. B) decreased levels of hormones. C) inability to produce eggs or sperm. D) an interruption of the path taken by the egg or sperm. E) atrophy of the gonads.
When individual cellular slime mold amoebas are near starvation, all the individuals in that immediate area aggregate into a large moving mass of cells called a
A. spore. B. test. C. community. D. colony. E. slug.
Muscle cells are responsible for obtaining energy so the body can perform voluntary and involuntary movement. Using you knowledge about organelles and muscles, how would a muscle cell differ from other types of animal cells?
A. The muscle cell would have larger centrioles than the other types of animal cells. B. The muscle cell would have more mitochondria than the other types of animal cells. C. The muscle cell would have a larger golgi apparatus than other types of animal cells. D. The muscle cell would have more endoplasmic reticulum than the other types of animal cells.