Which of the following structures differentiates to become the placenta, the umbilical cord, and other support structures for the developing baby?
A) blastocyst
B) chorionic villi
C) trophoblast
D) vernix caseosa
C) trophoblast The trophoblast will differentiate to become the placenta, umbilical cord, amniotic sac, and other structures that support the developing baby.
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Which of the following is the MOST common for people with major depression?
a. More sad experiences than average during the day b. Fewer happy experiences than average during the day c. More frightened experiences than average during the day d. More angry experiences than average during the day
When Pavlov presented the sound of the metronome repeatedly without putting the meat powder in the dog's mouth, the dog quit salivating to the metronome. What is this process? ___________________
Fill in the blank(s) with correct word
Dr. Kaminski is interested in studying how damage to the both the occipital and frontal lobes can lead to simultaneous loss of ability to see and speak. He has spent the last six months gathering extensive data on one patient with this unique injury to two different parts of the cerebral cortex. Dr. Kaminski is conducting what kind of research?
A. Case study B. Naturalistic observation C. Survey D. Experimental
Most cases of new variant Creutzfeldt-Jakob disease (vCJD) probably resulted from
A. contamination from instruments used in surgical procedures. B. cannibalism. C. eating steak (muscle meat) from infected cattle. D. eating meat from infected cattle that contained nervous system tissue.