DNA is organized into units called genes
a. true
b. false
Answer: a. true
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Damage to cells in the embryo's ____ layer would be most likely to result in the development of a defective digestive system
a. endoderm b. placenta c. ectoderm d. mesoderm
Carl Rogers' idea that we value what others think of us and that we constantly seek other's approval, love, and companionship is called a basic need for:
a. positive regard b. conditions of worth c. congruence d. self-actualization
Marita's body has just been exposed to a number of foreign invaders, but her immune system is activing a certain type of cell that will produce antibodies to fight these toxins. What kind of cell will produce such antibodies?
A. Hemoglobins B. NK-cells C. T-cells D. B-cells
Why have the predominance of studies in the area of perceived racism focused on African Americans?
What will be an ideal response?