8. One amino acid contains a guanidino group. What is the approximate pka of the weak base in the side chain of Arginine? answer choices
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- 2. In tabular form explain the specific functions of different of amino acid and how they are acquired in human body.1. Below is the base sequence of protein for normal hemoglobin and the base sequence for the sickle cell hemoglobin:Normal: GGG CTT CTT TTTSickle: GGG CAT CTT TTTa. Transcribe and translate the normal and sickle cell DNA. b. Identify this as a point or frameshift mutation. Explain. c. If the base sequence read GGG CTT CTT AAA instead, would this result in sickle cell hemoglobin? Explain.5' C C A U G A C G U C G G A U C A A U G A G C 3' 2. If the nucleotide bolded and underlined in red in part 1 changes from C to a G, what type of mutation would that be? 3. What would happen to the amino acid sequence if the C bolded in red in part 1 is changed to a G? 4. What would happen to the amino acid sequence if the C bolded in red is deleted?
- 1. Doesn't non-fat milk protein contain casein which interacts with the Bradford reagent. why would this react with the Bradford or Bruiet reagent? 2. Tryptophan is an amino acid and there should not be a reaction with the reagent. Why would there be a reaction with the Bradford or Biuret reagent?1. A certain polypeptide was treated with trypsin and yielded the following Fragments: Leu-Glu Gly-Tyr-Asn-Arg Gln-Ala-Phe-Val-Lys The same polypeptide was treated with chymotrypsin and yielded the following fragments: Gln-Ala-Phe Asn-Arg-Leu-Glu Val-Lys-Gly-Tyr What is the amino acid sequence of this polypeptide? Instructions Make use of the table below to determine the sequence of the mystery protein.4. Determine the answers of these multiple choices they are organised at "a,b,c's" in which is allowed in your rules, so they can all be answered thank you very much!! A) A DNA nucleotide is composed of: *Nitrogen base *Phosphate - ribose - nitrogen base *Ribose - nitrogen base *Phosphate - deoxyribose - nitrogen base *Deoxyribose - nitrogen base B) An amino acid contains the following two groups: Acid and Thiol -Carboxyle and Amine -Carbonyl and Carboxyl -Thiol and Amine -Amine and Acid C) Which carbohydrate is part of an RNA molecule? -Ribose -Galactose -Fructose -Glucose -Deoxyribose
- 1. For each of the sequences given below, list what type of secondary structural element, if any is most likely to be formed by that amino acid sequence. 1a. SEGEWQLVLHVWA 1b. GKGPPGPPGPRGPC 1c. CHSRHPGDFSC 1d. ASVRMNLGF4. What is the region/point where AA is predominantly present as a (-2)-charged species?5. The effective buffering range for the amino acid in the acidic region is?6. What is the region/point where the solution has a 50:50 percent mixture of the (0) and the (-1) species?PLEASE ANSWER ALL d) in base pairing, why do we never see AG, GA, CT or TC forming complementary base pairs? e) why is vegetarianism a more energy intensive process (from the organism standpoint) than being omnivores? [DON'T EVEN THINK OF STATING ANYTHING ABOUT FIBER, BULK, AND/OR CELULOSE!!!!] f) why is significant serum (in the bloodstream) cholesterol reduction so difficult, and why do most of the drugs designed to reduce cholesterol target the liver?
- 3)Consider the following sequence: 5' - AUGGCUACAGAUAGCUGGGGCUGAAAAAAAAAAAAAAA..3'Translated, the corresponding protein contains how many amino acids: a) 6 b) 7 c) 8 d) 136. Which of the following statements concerning the BLOSUM62 substitution matrix is correct?a. Ala is aligned with Arg more often than expected by chance.b.Ala is never substituted by Cys.c. Tryptophan is substituted less frequently than any other amino acid.2. The rising of nanotechnology paved way to discover new trends, one of which is the discovery of newly synthesized amino acid. Which of the following is a newly synthesized amino acid which was translated from the sequence of UAG? * A. Pyrrolysine B. Selenocysteine C. Threonine D. Proteoglycan