The citric acid cycle is a critical sequence of reactions for energy production, which take place in the matrix of the mitochondria
The reaction cycle requires materials from the cytosol to be converted into acetyl CoA, which represents the starting point of a new cycle. Which of the following statements about acetyl CoA is true?
(a) Amino acids can be converted into acetyl CoA.
(b) Pyruvate is converted into acetyl CoA in the cytosol.
(c) Triacylglycerol molecules are transported into the mitochondrial matrix and cleaved by lipases to produce acetyl CoA.
(d) Oxaloacetate is converted directly into acetyl CoA to feed the citric acid cycle.
(a)
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List the three meninges in order from the surface of the brain to the inside of the skull.
What will be an ideal response?
The pH of acid deposition occurring in the eastern United States is about ?
A. 6.4. B. 8.4. C. 4.6. D. 5.6. E. 7.0.
Which of the following is true of benign tumors?
a. The cells do not resemble the cells of the parent tissue. b. The cells of the tumor are often irregular, with nuclei of various sizes and shapes. c. The cells grow more rapidly than the cells surrounding it. d. They often metastasize. e. They are not cancer.
The phenomenon in which electrons are transferred from molecule to another is termed a redox reaction.
a. true b. false