l. A an of pll The Mya 4.22x10 (c) 5.22x10 solution of sulfuric acid (OH) concen
ID: 518364 • Letter: L
Question
l. A an of pll The Mya 4.22x10 (c) 5.22x10 solution of sulfuric acid (OH) concentration of such a solution is (a) 3.22x10 M (b) (d) 6.22x10 None of the above 2. The H ion concentration pH, ion concentration and poH of a 0.001 M solution of Ca (OH)2 are (a) 0.02M, 2.5, OH 0.002M, 2, 10 M and 9 10 M and 11 respectively (b). respectively (c) 0.003M, 2.2, 10 10M and 8 respectively (d) 0.0005 M, 2.3, 10 M and 14 respectively (e) None of the above. 3. A segment of a DNA chain with the base sequence TCAGAT3 would be transcribed by RNA polymerase to an RNA chain with which of the following base sequences" (a) CUAAGU b AGUCUA (c) AGTCTA (d) AUCUGA (e) ATCTGA. 4. Which of the following ionic species of glutamic acid would be most prevalent at pH 7? (a) HOOC-CN H3-H-(CH) (b) OOC-CN H3-H-(CH22-COOH (c) ooC- CN Hs-H-(CH2)2-COO (d) OOC-CNH2-H-(CH2)m-COO 5. In biological membranes, proteins and lipids interact mainly by (a) Hydrophobic interactions (b) Hydrogen bonding (c) Hydrophilic interactions (d Ionic bonds. 6. Sucrose is a disaccharide, which made up of (a) glucose and sucrose (b) glucose and fructose (c) glucose and glucose is glucose and galactose. (d) fructose and fructose (e) 7. Peptide bond synthesis requires an input of energy during (a) Amino acid activation (b) The binding of the aminoacyl-tRNA to the A site on the ribosome (c) The movement of the peptide-tRNA to the P site and the associated movement of the mRNA (d) All of the above. 8. At pH 7.0, the net charge on the peptide -Ala-Gly-Glu-Pro- would be (a) -2 (b) -1 (c 0 (d) +1 (e) +2. 9. Name all the amino acids with basic side chains:Explanation / Answer
Answer:
1.
Sulfuric acid pH=4.5
OH-=?
pH + pOH =14
4.5 + pOH= 14
pOH=9.5
pOH=-log[OH-]
9.5 = -log[OH-]
[OH-]=3.22 X 10-10
Note : As per chegg guideline solve first question
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