Biochemistry Exam Questions & Answers
Which molecules in replicated DNA strands would be radioactive if the nucleotides used were radioactive?
The correct answer is option A – II and III Deoxyribonucleic acid, commonly known as DNA is the material that carries the genetic information of living organism.
DNA replication is semi conservative, this means that each strand of DNA serves a
Which parts of the surface of the protein would be composed of polar amino acids(in the diagram below)?
This question has the wrong diagram. As of December 27th, 2017, the diagram shows different compounds. It does not show a protein transport channel with numbered places. Therefore, I cannot answer this question correctly. However, I can say that the
What would the reaction of the peptide, ala-met-lys-ser, with phenylisothiocyanate (PITC) at pH 8.0 followed by mild acidification release (first cycle of Edman chemistry)?
The correct answer to this question is D, Would release PTH-ala and the peptide met-lys-ser . PTH stands for parathyroid hormone. It may also be referred to as parathyrin or parathormone. These parathyroid glands secrete this hormone.
It regulates t
What is the pH that results when 0.75 mmol of HCl is added to 1.0 mmol of isoelectric histidine in 100 ml of water? The pKas for histidine are 1.8, 6.0, and 9.2.
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Sample QuestionThe component(s) of DNA which is responsible for the absorbance band at 250-270 nm is
