Most of the oxygen in the blood is transported by ____.

A. erythropoietin
B. prothrombin
C. platelets
D. hemoglobin
E. leukocytes


Answer: D

Biology & Microbiology

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Explain what "blood doping" is.

What will be an ideal response?

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Which of the following proteins is responsible for advancing a cell through the four phases of the cell cycle?

A. caspases B. cyclins C. claudins D. endonucleases E. cofactors

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The winds formed between the equator and about 30 degrees of latitude, blowing from the northeast in the Northern Hemisphere and southeast in the Southern Hemisphere, are referred to as ________

Fill in the blank(s) with correct word

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Which is an example of gene therapy?

A) replacing a failing heart with a new heart from a genetically matched donor B) injecting human factor VIII protein into hemophiliacs with a defective factor VIII gene C) infecting a cystic fibrosis patient with a virus carrying a working copy of the cystic fibrosis gene D) providing therapeutic drugs to a patient experiencing high blood pressure

Biology & Microbiology