Which of the following is the correct sequence of events in cellular respiration?
A. glycolysis ? preparatory reaction ? citric acid cycle ? electron transport chain
B. glycolysis ? citric acid cycle ? electron transport chain
C. glycolysis ? electron transport chain ? preparatory reaction
D. citric acid cycle ? glycolysis ? electron transport chain ? preparatory reaction
E. citric acid cycle ? electron transport ? glycolysis ? preparatory reaction
Answer: A
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Imagine that you have been bitten by a poisonous snake with neurotoxic venom. Thankfully, you are rushed to the emergency room of a local hospital, where you receive antivenom. Your condition subsequently returns to normal. Before your release, your physician chastises you for not being more careful. He informs you that you were within minutes of not being able to breathe as the result of the venom's effect on the nervous control of your breathing. As a biology student, you consider this carefully, and hypothesize that your breathing would have stopped because the venom would cause
A. your trachea to collapse. B. your blood to lose oxygen. C. your diaphragm to become inactive. D. your lungs to collapse.
Bacteriophages that cannot undergo lysogeny but can infect bacteria are called ________
Fill in the blank(s) with correct word
The vertebrate circulatory system performs all of the following functions except:a
transporting nutrients from storage areas. b. transporting CO2 to cells. c. transporting hormones to target tissues. d. helping to regulate fluid balance. e. defending against microorganisms.
Which of the following is NOT alive?
A) Plant B) Protist C) Bacterium D) Cyanobacterium E) Virus