Oxygen is vital to the process of aerobic cellular respiration. It allows aerobic organisms to derive a great deal more energy from glucose than anaerobic organisms are able to. What is the vital role that oxygen plays in cellular respiration?
A) It is a reactant in glycolysis, necessary for the breakdown of glucose into pyruvic acid.
B) Oxygen is a waste product of Kreb's cycle.
C) Oxygen is required to build the acetyl-CoA molecule.
D) Oxygen is the final electron acceptor in the electron transport chain.
Answer: D) Oxygen is the final electron acceptor in the electron transport chain.
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Microbiology
- Select the correct statement about active and passive immunity.
- Select the correct definition about tissue grafts.
- Natural killer (NK) cells ________.
- Clonal selection of B cells ________.
- Fever ________.
- What is the role of interferon in defense against disease?
- Which of the following is not a function of the inflammatory response?
- Which of the following does not respond to cell-mediated immunity?
- Which statement is true about T cells?
- Which of the following is not a first line of defense?
- Innate immune system defenses include ________.
- B cells respond to the initial antigen challenge by ________.
- Which of the following is not a method by which antibodies work?
- Which of the following is associated with passive immunity?
- Which of the following is not a type of T cell?
- The antibody molecule is held together by ________ bonds.
- The primary immune response ________.
- Which of the following statements about Complement is false?
- Which of the following is a part of the second line of defense against microorganisms?
- Select the correct statement about the function of antibodies.
- Cytotoxic T (TC) cells are like natural killer (NK) cells because they both
- Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by ________.
- Antibody functions include all of the following except ________.
- Phagocyte mobilization involves ________.
- Which of the following is not an autoimmune disease?
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.