Where is the iron-binding protein transferrin found?
A) red blood cells
B) blood plasma and extracellular fluids
C) neutrophil granules
D) milk and tears
E) saliva and mucus
Answer: B
Biology & Microbiology
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Broad, ecologically uniform areas with stable and distinctive collections of species are called ____
Fill in the blank with the appropriate word.
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Thymine dimers are commonly caused by
A) ultraviolet radiation. B) ionizing radiation such as X-rays. C) tautomers. D) alkylating agents. E) intercalating agents.
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How are leptin and insulin distributed throughout the arcuate nucleus of the hypothalamus?
What will be an ideal response?
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Facilitated diffusion occurs with the help of:
A) peripheral proteins. B) recognition proteins. C) communication proteins. D) transport proteins. E) ribosomes.
Biology & Microbiology