The electron transport systems in eukaryotes and prokaryotes use different electron carriers.
Answer the following statement true (T) or false (F)
True
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A 7-year-old girl was at summer camp and dove into the lake many times. She complained that water went up her nose a few times. Several days later she is unresponsive and comatose and rushed to the hospital. A cerebrospinal fluid (CSF) specimen is drawn, and several motile amebae are observed. She is most likely suffering from an infection with which of the following pa-rasites?
a. Plasmodium vivax b. Naegleria fowleri c. Ascaris lumbricoides d. Hymenolepis nana
Dentists sometimes give a patient antibiotics after a teeth-cleaning procedure, especially if the patient is older or has heart disease. What is the best explanation for this?
A. The materials used during a teeth-cleaning procedure are high in low-density lipoproteins, and contribute to atherosclerosis. B. Antibiotics help remove the plaque that remains on the teeth after a teeth-cleaning procedure. C. Antibiotics help kill the bacteria that move from the mouth to the bloodstream, and prevent the bacteria from contributing to atherosclerosis. D. Teeth-cleaning procedures add bacteria to a person's mouth, and antibiotics are needed to control the bacteria.
What name is given to the following reaction? sucrose + water ? glucose + fructose
A) hydrogenation B) hydrolysis C) glycolysis D) dehydration
Mark suffers from nosebleeds and gastrointestinal bleeding due to increased breakdown of platelets outside the marrow. This is called
A. hemophilia. B. sickle-cell anemia. C. thromboembolism. D. prothrombin disease. E. thrombocytopenia.