Dr. Proctor tells Uma that her developing embryo is showing distortions in the development of its circulatory system. As a knowledgeable student of human development, Uma should realize that the problem is within cells of the ____ layer.
a. placenta
b. mesoderm
c. ectoderm
d. endoderm
Question 2
Which statement is true?
a. Estrogen is found only in females, and androgen sare found only in males.
b. Estrogen is found only in males, and androgens are found only in females.
c. During puberty, estrogen and androgens are released at the same levels in adolescent males and females.
d. During puberty, estrogen and androgens are released at different levels in adolescent males and females.
Aerial photo showing the placement of 24 study plots, each 50 m by 50 m, in the Chihuahuan Desert ne
Models of the α helix, showing different aspects of its structure
The cardiac cycle showing systole and diastole.
Electrophoresis gel in a densitometer. SPE densitometry showing a normal pattern.
Development of Morality in Young Children
Human Development