The bulk uptake of material by the formation of a vesicle is called
A. osmosis.
B. facilitated diffusion.
C. diffusion.
D. active transport.
E. endocytosis.
E
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Which is not correct regarding the juxtaglomerular apparatus?
A. The macula densa cells monitor electrolyte concentrations in tubular fluid. B. Renin activates the renin-angiotensin pathway, resulting in aldosterone production. C. The juxtaglomerular cells are modified smooth muscle cells of the efferent arteriole. D. The macula densa cells are modified epithelial cells of the distal convoluted tubule. E. The juxtaglomerular cells release renin.
The principal hormone secreted by the corpus luteum is
A) LH. B) FSH. C) progesterone. D) luteosterone. E) estrogen.
Inflammation of the lining of the brain and spinal cord is called _____.?
A) ?encephalitis B) ?meningitis C) ?poliomyelitis D) ?laryngitis
A chemical imbalance in the blood can cause the heart to stop pumping blood, which in turn will cause other tissues and organs to cease functioning. This observation supports the view that
A) all organisms are composed of cells. B) all levels of organization within an organism are interdependent. C) chemical molecules make up cells. D) blood has magical properties. E) congenital defects can be life-threatening.