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Question

| ?Normal 1NoSpac.. Heading 1 He 1 u.axx,x' A·?.A ???·?·?. Font Paragraph 1. A major change occurring in the evolution of eukaryotes from prokaryotes was the development of_ a. DNA b. The nucleus c. Plasma membranes d. Ribosomes e. Photosynthetic capability The pH of a solution of 0.01 M NaOH is: a. 0.010 b. 2.00 c. 12.0 d. 13.0 2. e. 14.0 Two amino acids of the standard 20 contain sulfur atoms. They are a. Cysteine and serine b. 3. Cysteine and threonine c. Methionine and cysteine d. Methionine and serine e. Threonine and Serine 4. For the reaction A B, the Keq' is 10. If a reaction mixture originally contains Immol of A and 1 mmol of B, which one of the Following must be true? a. At equilibrium, there will be still be equal levels of A and B b. The rate of the reaction is very slow c. At equilibrium, the amount of A will greatlt exceed the amount of B. d. The reaction will proceed toward B at very high rate e. G for the reaction will be large and positive which of the following aqueous solution has the highest pH? a. 1 M HCL b. 1M NH3 (pKa-9.25) c. 0.5 M NaHCO3 (pKa-3.77) d. 0.1 M NaOH e. 0.001 M NaOH Stereoisomers that are no superimposable mirror images of each other are known as:- s, 6. a. Anomers b. Cis-trans isomers c. Diasteroisomers d. Enantiomers e. Geometric isomers

Explanation / Answer

1. For the development of nucleus.

so, answer is (b).

As per chegg guidelines, first question is answered.

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