What is oxidized at the beginning of the electron transport system?
a. NADH and FADH2
b. Protein in membrane
c. Water
d. Oxygen
e. ATP
Answer: a. NADH and FADH2
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Fish have a circulatory system that contains two ventricles and two atria
Indicate whether the statement is true or false.
One potential consequence of protein denaturation is that the:
A) protein becomes more tightly folded. B) protein adds another polypeptide to its folded shape. C) protein loses its functionality. D) protein performs more efficiently than it did before. E) protein's primary structure changes.
A Brucellosis is
A. a zoonosis. B. seen in the patient as a fluctuating fever, with headache, muscle pain and weakness. C. associated with pathogen in the blood. D. an occupational illness of people that work with animals. E. All of the choices are correct
Which of the following statements about sexually transmitted diseases (STDs) is false?
A. Gonorrhea, syphilis, and chlamydia are all transmitted through sexual contact. B. Because chlamydia has both bacterial and viral characteristics, it cannot be treated with antibiotics. C. Chlamydia is known as the "silent STD." D. The incidence of chlamydia has increased as gonorrhea has decreased. E. Syphilis can be transmitted from a mother to her fetus.