________ is the inner most germ cell layer that forms during gastrulation.
A. Ectoderm
B. Mesoderm
C. Endoderm
D. Mesentery
E. Epidermis
C. Endoderm
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Cytokines released by white blood cells that activate T cells and B cells, provoke an inflammatory response, and induce fever are called
A. histamines. B. complement proteins. C. interleukins. D. interferons. E. epinephrines.
The only known risk factor for autosomal aneuploidy is _____
1.exposure to radiation 2.genetic predisposition 3.viral infection 4.toxoplasmosis 5.advanced maternal age
Oil spills in the ocean are often treated with chemical dispersants. These materials are similar to detergents in that the molecules have both hydrophilic and hydrophobic portions. Based on this, predict what will happen when chemical dispersants are
used to treat oil spills. What will be an ideal response?
Side A is ____ to side B
a. hypertonic b. hypotonic c. isotonic d. either isotonic or hypertonic e. either isotonic or hypotonic