Paul Ehrlich discovered the first antibiotic.
Answer the following statement true (T) or false (F)
False
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The first phase of glycolysis requires the input of two ATP molecules. It is therefore:
A. endergonic. B. exergonic. C. oxidative. D. reducing. E. None of the answer options is correct.
When a photon of light is absorbed by a pigment molecule, electrons jump to an excited state. What is one possible
fate of these excited electrons?
a. the excited electron release energy in the form of a photon b. the excited electrons are transferred to an electron donor molecule c. the excited electrons revert back to their ground state without releasing any energy d. the excited electrons jump to a lower energy level, releasing energy to a nearby pigment molecule e. the excited electrons jump to a lower energy level, releasing energy in the form of ATP
Ciprofloxacin is used to treat viral respiratory infections.
Answer the following statement true (T) or false (F)
Birds are able to sustain long flights at high altitudes because they
A) can extract oxygen during both inhalation and exhalation. B) decrease their heart rate during flight. C) use anaerobic metabolism during flight. D) have thicker blood than other animals, with many more red blood cells. E) are able to lower their body temperature during flight.