Which of the following processes require the use of protein carrier molecules?
A) facilitated diffusion and solute pumping
B) facilitated diffusion and vesicular transport
C) vesicular transport and osmosis
D) osmosis and filtration
E) filtration and exocytosis
A
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Which statement about plasma is false?
A. Dissolved proteins make up 7% of plasma. B. Ions and nutrients are found in plasma. C. Plasma is free of waste products. D. Plasma contains regulatory substances used for communication.
The first step of the scientific method is making observations.
Answer the following statement true (T) or false (F)
Increased circulating concentrations of testosterone would cause decreased secretion of ________.
A. growth hormone B. luteinizing hormone C. thyroid stimulating hormone D. adrenocorticotropin
The process by which antibodies bind to the antigen on the surface of cells, forming large immune complexes, is called
A) opsonization. B) activation. C) agglutination. D) precipitation. E) neutralization.