22. For a human enzyme, the highest reaction rate is usually observed at which of the following temperature? (A) 10°C (B) 20°C (C) 30°C (D) 40°C (E) 50°C

22. For a human enzyme, the highest reaction rate is usually observed at which of the following temperature?
(A) 10°C
(B) 20°C
(C) 30°C
(D) 40°C
(E) 50°C

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28. A mutation is any change in the base sequence of the DNA. Which one of the following descriptions about mutations is WRONG ? (A) An adenosine replaced by a cytidine is a "transversion" mutation (B) An adenosine replaced by a guanosine is a "transition" mutation (C) A nonsense mutation results in a different amino acid being inserted in the protein (D) Silent mutation means a change at the DNA level that does not result in any change of amino acid in the encoded protein. (E) All are right.

22. For a human enzyme, the highest reaction rate is usually observed at which of the following temperature?
(A) 10°C
(B) 20°C
(C) 30°C
(D) 40°C
(E) 50°C

詳解 (共 1 筆)

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22. For a human enzyme, the highest reaction rate is usually observed at which of the following temperature?(A) 10°C(B) 20°C(C) 30°C(D) 40°C(E) 50°C

詳解 (共 1 筆)

相關試題

相關試卷

22. For a human enzyme, the highest reaction rate is usually observed at which of the following temperature?
(A) 10°C
(B) 20°C
(C) 30°C
(D) 40°C
(E) 50°C