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gre biochemistry |
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Re: gre biochemistry
Ok, I am providing you the sample paper of GRE Biochemistry, Cell And Molecular Biology Test GRE Biochemistry, Cell And Molecular Biology Test sample paper Time — 170 minutes 172 Questions 1. Which of the following is activated by phosphorylation? (A) Glycogen synthase (B) Acetyl CoA carboxylase (C) HMG CoA reductase (D) Mitogen-activated protein kinase (MAPK) (E) Hexokinase 2. When yeast produce ethanol from glucose, the reaction of acetaldehyde to form ethanol directly (A) generates ATP (B) produces NADH (C) Regenerate NAD + (D) contributes to the proton motive force (E) oxidizes the energy source 3. Eukaryotic cells and their organelles are disrupted by sonication. A centrifuge is used to separate soluble and insoluble components. Protein X is found in the insoluble fraction following centrifugation. The insoluble fraction is treated with 0.5 M NaCl and centrifugation is repeated. Protein X is now found in the soluble fraction. Protein X would be best described as (A) an integral plasma membrane protein (B) an integral membrane protein in an organelle (C) a peripheral membrane protein (D) a soluble cytoplasmic protein (E) a soluble nuclear protein For more questions here is the attachment |
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