Homework Answers
Ans: Amino acids
Explanation: Theory of abiogenesis states that at the very beginning of Earth it was completely in gaseous state which started to condense and first came to liquid state. Then in that liquid media, present inorganic molecules started to form more complex macromolecules such as carbohydrate,lipid,amino acids. These amino acids are one of the crucial elements those are involved with all major activities necessary for maintaing the life both structurally (e.g. as building block of collagen) and functionally (e.g. as building block of enzyme).
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QUESTION 4 What substance created multicellular life that we know today? O Collagen. amino acids Omuscles...
What is Substance 5 in this diagram Substance 1 Substance 2 Substance 3 Cel membrane Amino...
What is Substance 5 in this diagram Substance 1 Substance 2 Substance 3 Cel membrane Amino acids GLUCOSC Fatty acids Fructose. galactose Glycolysis Substance 4 Substance 5 B-Oxidation
5. Suppose we discovered a form of life like our own which utilized 20 amino acids,...
5. Suppose we discovered a form of life like our own which utilized 20 amino acids, but had 6 nitrogeneous bases instead of the 4 our life uses. What would be the minimum length (i.e., number of base-pairs) of a codon which could represent all 20 currently used amino acids? 6. What evidence exists to support the idea that an ancestor of all present-day living organisms had a simpler genetic code in which the length of a codon was 2...
1. Amino acids are often broken down into two groups, essential and nonessential. Essential amino acids...
1. Amino acids are often broken down into two groups, essential and nonessential. Essential amino acids must be eaten in order to survive as we don’t make them. This is why intaking a certain amount of protein is so important to the body. In one of the greatest scientific finds of the 21st century, amino acids were discovered inside meteorites that had impacted the earth. Interestly, the amino acids contained different side chains and configurations than those found on earth....
In Gabriel synthesis of amino acids, what reagent is the source for the amino group? O...
In Gabriel synthesis of amino acids, what reagent is the source for the amino group? O Cyanide (-CN) An aldehyde O Phthalimide fmoc
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what...
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O <50 O -50 O none of the above
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O
Question 20 The structural formula of amino acids are the same except for the: O side...
Question 20 The structural formula of amino acids are the same except for the: O side group O amino group O alpha carbon carboxyl group
Question 33 As applied to the chemistry of amino acids, what is the definition for the...
Question 33 As applied to the chemistry of amino acids, what is the definition for the isoelectric point? O The pH at which the amino acid exists as a mixture of isomers. O The pH at which the amino acid exists primarily in its neutral form. The pH at which the amino acid exists primarily in its acidic form. Th The pH at which the amino acid exists primarily in its basic form.
4. Which amino acid could form ionic interactions? Explain how you know.
4. Which amino acid could form ionic interactions? Explain how
you know.
1. Circle the funct tional groups on the R-group of the AMINO ACIDs below that are capable of forming hydrogen bonds. How do you know? 2 4 CH H,C CH, 2. List at least 2 amino acids (numbered 1-10 above) capable of interacting with water 5 and 7 3. List at least 2 amino acids that water would avoid interacting with. Explain how you know. I and 2...
What amino acids make up this particular peptide? HAN но он нo 4 ноо o HN...
What amino acids make up this particular peptide?
HAN но он нo 4 ноо o HN HN CNH,
Question 6 2 pts Some amino acids can supply the carbon required for gluconeogenesis by undergoing...
Question 6 2 pts Some amino acids can supply the carbon required for gluconeogenesis by undergoing a reaction catalyzed by an aminotransferase, an enzyme that interconverts amino acids and -keto acids. Aspartate aminotransferase catalyzes the reaction shown below. aspartate + a-ketoglutarate - oxalacetate + glutamate A biochemist studying metabolism feeds 4-[14C]-aspartate (asparatate that has 14C, the radioactive isotope of carbon, at the sidechain carboxylate) to his rats. After sacrificing the rats he is unable to find any +4C in glucose....
What is Substance 5 in this diagram Substance 1 Substance 2 Substance 3 Cel membrane Amino acids GLUCOSC Fatty acids Fructose. galactose Glycolysis Substance 4 Substance 5 B-Oxidation
5. Suppose we discovered a form of life like our own which utilized 20 amino acids, but had 6 nitrogeneous bases instead of the 4 our life uses. What would be the minimum length (i.e., number of base-pairs) of a codon which could represent all 20 currently used amino acids? 6. What evidence exists to support the idea that an ancestor of all present-day living organisms had a simpler genetic code in which the length of a codon was 2...
In Gabriel synthesis of amino acids, what reagent is the source for the amino group? O Cyanide (-CN) An aldehyde O Phthalimide fmoc
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O <50 O -50 O none of the above
Human Serum Albumin contains 585 amino acids, more than 50 of which are Lysine. If the pl of HSA is about 4.5, what do we know about the content of Asp and Glu? >50 O
Question 20 The structural formula of amino acids are the same except for the: O side group O amino group O alpha carbon carboxyl group
Question 33 As applied to the chemistry of amino acids, what is the definition for the isoelectric point? O The pH at which the amino acid exists as a mixture of isomers. O The pH at which the amino acid exists primarily in its neutral form. The pH at which the amino acid exists primarily in its acidic form. Th The pH at which the amino acid exists primarily in its basic form.
4. Which amino acid could form ionic interactions? Explain how
you know.
1. Circle the funct tional groups on the R-group of the AMINO ACIDs below that are capable of forming hydrogen bonds. How do you know? 2 4 CH H,C CH, 2. List at least 2 amino acids (numbered 1-10 above) capable of interacting with water 5 and 7 3. List at least 2 amino acids that water would avoid interacting with. Explain how you know. I and 2...
What amino acids make up this particular peptide?
HAN но он нo 4 ноо o HN HN CNH,
Question 6 2 pts Some amino acids can supply the carbon required for gluconeogenesis by undergoing a reaction catalyzed by an aminotransferase, an enzyme that interconverts amino acids and -keto acids. Aspartate aminotransferase catalyzes the reaction shown below. aspartate + a-ketoglutarate - oxalacetate + glutamate A biochemist studying metabolism feeds 4-[14C]-aspartate (asparatate that has 14C, the radioactive isotope of carbon, at the sidechain carboxylate) to his rats. After sacrificing the rats he is unable to find any +4C in glucose....
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