Describe the characteristics of an embryo
What will be an ideal response?
First the answer must recognize that an embryo only exists during the embryonic stage of gestation; other points include: begins 2 weeks after conception; beginning of cell differentiation and specialization; formation of neural tube which further develops into the CNS; embryo is approximately .25 inches long; limbs and skeleton are visible at the end of this stage and organogenesis begins.
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Joe complains that his coworker, George, is irritating because George never has a nice thing to say about anyone or anything. Joe believes George's problem is an enduring characteristics with which Geroge was born. In other words, Joe dislikes George's:
a. personality b. character c. temperament d. genetics
The organism that causes syphilis is
A) Ureaplasma urealyticum. B) Trichmonas vaginalis. C) Treponema pallidum. D) S. sarcoptes.