When blood flow in a capillary bed decreases in response to locally high oxygen levels, it is caused by
A) intercellular chemicals.
B) angiotensin.
C) autoregulation.
D) neural processes.
E) endocrine processes.
C) autoregulation.
Anatomy & Physiology
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The pyrimidine bases found in DNA are ________ and cytosine
A) cytosine B) adenine C) thymine D) uracil E) niacin
Anatomy & Physiology
Which protein does NOT belong in a thin filament?
A) myosin B) tropomyosin C) troponin D) actin
Anatomy & Physiology
The movement of molecules against their concentration gradient is called
A. facilitated diffusion. B. active transport. C. diffusion. D. endocytosis. E. osmosis.
Anatomy & Physiology
Which of the following is not a membranous organelle?
A. Golgi complex B. Mitochondria C. Endoplasmic reticulum D. Ribosome E. Nucleus
Anatomy & Physiology