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Which of the following statements about proteins is true? The simpler an amino acid is, the more likely it is to be generated within the body. The source of a protein (mammal, fish, or poultry) has little effect on nutritional

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  1. chemistry

    Which of the following statements about proteins is true? The simpler an amino acid is, the more likely it is to be generated within the body. The source of a protein (mammal, fish, or poultry) has little effect on nutritional value. All of these are true.
  2. Chemistry

    Which of the following explains why there are so many differences in the properties of peptides and proteins? A) several amino acid sequences are possible for proteins and peptides B) some proteins are enzymes while others are not C) proteins and peptides
  3. Biology

    Which statement is true? Amino acids do not need to be assembled in a particular order. tRNA is attached to specific proteins in the cell’s cytoplasm.** Amino acids form a chain via carbon bonds. The human body uses 20 amino acids to form all types of
  4. biology

    Which statement is true?(1 point) The human body uses 21 amino acids to form all types of proteins.** Amino acids do not need to be assembled in a particular order. tRNA is attached to specific proteins in the cell’s cytoplasm. Amino acids form a chain
  5. biology

    Studies peg the number of proteins in the human body to be around 10,000 to several billions. This diversity is a result of the differences in the structure of proteins. Which property of proteins affects its structure? A. shape of amino groups B. sequence
  6. science

    1. all of the life functions are carried out by cells in a living organisms in order to A. Perform Synthesis B. Maintain Homeostasis C. Keep an Internal steady state D. Both c and d 2. If an -------------------- were digested the product would be
  7. physiology

    Which of the following statements pertaining to protein digestion and absorption is FALSE? The majority of amino acids and peptides are absorbed in the upper portion of the small intestine. Protein can enter the GI tract via ingestion or via secretion as
  8. Biological Evolution Evidence Quick Check

    (QUESTION 1) Flowering plants have common ancestors with other plants and plant-like organisms. The table below shows the last common ancestor shared between flowering plants and two other types of organisms. A scientist compares the amino acid sequences
  9. Biology (Answer Check)

    State how comparing the amino acid sequence of a protein can provide evident that evolution has taken place. A: If evolution has taken place, then, in general, species descended from a recent common ancestor should have fewer amino acid differences between
  10. Science

    State how comparing the amino acid sequence of a protein can provide evident that evolution has taken place. A: If evolution has taken place, then, in general, species descended from a recent common ancestor should have fewer amino acid differences between
  11. health

    1. What organ is the master controller for directing "amino aciduse(it's not a muscle)? 2. What is meant by the term "amino acid pool" and amino acid turnover"
  12. Chemistry

    This question may seem obvious however my class never went over this particularly so I wanted to make sure I understand this concept. How does too little acid cause gastric distress? A. The pH of the stomach becomes so low that proteins are not digested
  13. Chemistry

    The electrophoresis of a mixture of histidine (His), aspartic acid (Asp) and phenylalanine (Phe) is carried out at a pH of 5.91. Match the amino acid to its predicted behaviour under electrophoresis at that pH. 1. This amino acid will bear no net charge at
  14. How Cells Make Proteins Quick Check

    Question 1 A) Uracil pairs with(1 point) uracil. any nitrogen base. adenine. thymine. Question 2 A) Alexei Romanov suffered from hemophilia, a condition that(1 point) prevents blood from clotting normally due to the body’s inability to form fibrin
  15. need 3 and 4 the most

    Question 1 A) Uracil pairs with(1 point) uracil. any nitrogen base. adenine. thymine. Question 2 A) Alexei Romanov suffered from hemophilia, a condition that(1 point) prevents blood from clotting normally due to the body’s inability to form fibrin
  16. Chemistry

    Amino acid solution was made by taking 3.58 g of the dry amino acid and making it up to 1.00L in water. A 25.0 mL sample was taken and titrated with NaOH of concentration of 0.0493M, with the first equivalence point at 18.15 mL and the second equivalence
  17. chemistry help

    How does too little acid cause gastric distress? A. More than enough acid is present to digest proteins, resulting in inadequate digestion of proteins. B. The pH of the stomach becomes so high that proteins are not digested properly. C. The pH of the
  18. Biology

    What amino acid property makes proteins highly functional? I would assume it would be the structure and sequence, but are there additional properties?
  19. Biochemistry

    Determine the MAX amount of titrant you will possibly need for your titration. Your unknown solution has been prepared by dissolving btw 0.05-0.09mol of zwitterion form of the amino acid in 1L of ~ 0.1M HCl solution. you will titrate 50mL of that amino
  20. Biochemistry

    Determine the MAX amount of titrant you will possibly need for your titration. Your unknown solution has been prepared by dissolving btw 0.05-0.09mol of zwitterion form of the amino acid in 1L of ~ 0.1M HCl solution. you will titrate 50mL of that amino
  21. Biochemistry

    Determine the MAX amount of titrant you will possibly need for your titration. Your unknown solution has been prepared by dissolving btw 0.05-0.09mol of zwitterion form of the amino acid in 1L of ~ 0.1M HCl solution. you will titrate 50mL of that amino
  22. Biology

    Which nucleic acid statement is true A. mRNA codes for DNA B. mRNA codes for proteins C. tRNA makes amino acids D. tRNA makes lipids I think B
  23. Biology

    1. Which of the following demonstrates the central dogma of molecular biologists?(1 point) Gene expression relies on environmental factors that determine which traits are dominant. DNA and RNA mutate into either harmful or helpful effects on the human
  24. SCIENCE

    What is the uses a ribosome? wouldn't it be to feed the copy of DNA and to make proteins out of amino acids. What is an amino acid made of and what is it's uses? wouldn't that one be it is made of three bases and it is used to make proteins. sorry the
  25. biology

    If you ate a jelly doughnut for breakfast, the majority of the energy would come from the _________ in the doughnut because it _________. A. fat; contains a low ratio of oxygen atoms. B. sugar; contains high ratio of oxygen atoms. C. carbohydrate; contains
  26. biology

    In this problem, 6 amino acids have been randomly selected from the 129 amino acids in lysozyme; they are shown as solid spheres. The remainder of the protein is shown as a cloud of tiny dots. Your task is to find out which of the 6 amino acids are on the
  27. English

    I forgot to add the following statements. Thank you. 1)Say, for example, a bit of a DNA molecule has a string of nucleotides in the order CCGCAG. Reading three “letters” at a time, CCG stands for the amino acid glycine. CAG stands for the amino acid
  28. Biochemistry

    The quantity 432mg of a monoamino monocarboxylic amino acid is observed to consume 7.39 mEq of acid and base in the titration range pH 0.8 to 12.0. What is the name of the amino acid? I just did the titration experiment and my brain is fried. I can't begin
  29. chemistry

    HOOC CH(CH2CH2SCH3)NH3+ , the amino acid methionine, has pKa1 = 2.2 and pKa2 = 9.1. If this amino acid is represented by H2L+, what is the major species at pH 6?
  30. chem

    calculate the number of moles of glycine(gly)(C2H5NO2) an amino acid found in proteins in a 36.2g sample of glycine. can you show work
  31. Biology

    the monomer of a protein is an amino acid right? Ok, well what is the general formula for an amino acid? Would it be: H2NCH2COOH (the 2's would be subscripted).
  32. chemistry

    Are amino acids other than the usual 20 amino acids found in proteins? If so, how are such amino acids produced?
  33. Biology

    All known proteins in cells adopt a single stable conformation because (a) any chain of amino acids can fold up into only one stable conformation. (b) protein chains that can adopt several different conformations have been weeded out by natural selection.
  34. biology

    Given below is the sequence of the mRNA ready for Translation" 5' - AUG CUA UAC CUC CUU UAU CUG UGA - 3' a) what is the first codon technically known as and which amino acid does it code for? b) how many amino acid residues will make the polypeptide chain
  35. Biochemistry

    Amylase is secreted by your pancreas into your small intestine where amylase helps you digest the starches in your diet. Amylase does this because it is an enzyme, a protein that catalyzes a chemical reaction. In this case, amylase catalyzes the breakdown,
  36. chemistry

    what is the clinical importance of doing the amino acid sequence determination Since this is not my area of expertise, I searched Google under the key words "amino acid sequence determination" to get these possible sources:
  37. Biology

    There are 20 amino acids that cells use to build the numerous amounts of proteins that are essential for life. If a protein molecule consisted of 100 amino acids, how many combinations are possible? What is the probability that out of the total possible
  38. Biology

    PLEASE CONSIDER EACH OF THE FOLLOWING CHANGES SEPARATELY. Be sure to enter the sequence using the 3-letter abbreviations (for example, Ala-Gly-Ser), where the left most amino acid of your answer represents the first amino acid of the polypeptide. Another
  39. Biochem

    what are the basic A.A when do protons dissociate Acid-base titration is performed, and the amino acid is found to have 3 distinct pKg values: 2.2 for the carboxyl group and 9.2 and 10.7 for the ammonium groups. At 1) pH < 2.2 2) pH = 9.2 -10.7 3) pH >
  40. Chemistry

    Glycine is an amino acid that can be abbreviated HGly. If 27.50mL of 0.120 M NaOH neutralizes 0.248 g of HGly,what is the molar mass of the amino acid?
  41. Biology

    I don't understand how to do this at all!! I've been Googling the past hour and I just don't get it. My teacher won't respond and my exam is tomorrow. I get that we cleave with an acid and then we can do amino acid analysis. The entire protein can be
  42. Bio Bio Please check answer

    Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to one specific amino acid. Yet, there are only 20 amino acids used to produce proteins. Thsus, the gentic code is said to be
  43. Biochemistry

    Explain in detail whether or not a single amino acid could be an effective antigen and how a single amino acid substitution could affect ligand binding?
  44. CHEMISTRY

    Biosynthesis of proteins from amino acids is an energy driven condensation process (ÄH = + 10 kJ/mol) requiring energy input in the form of ATP. In an experiment, 0.4 mol of amino acids reacted to give a polypeptide and some ATP was consumed. a) explain
  45. chemistry

    Biosynthesis of proteins from amino acids is an energy driven condensation process (ÄH = + 10 kJ/mol) requiring energy input in the form of ATP. In an experiment, 0.4 mol of amino acids reacted to give a polypeptide and some ATP was consumed. a) explain
  46. Bio

    How to I determine the sequence of amino acid assembled when given the following +DNA code: CCA, AGT ? I'm asked to give the :-DNA, mRNA, tRNA codes, and also the amino acid. If I'm not mistaken I know that I must replace "T" thymine for "U" uracil.
  47. biology

    Comparisons of amino acid sequences from different organisms often shed light on the evolutionary divergence of related species. Would you expect all of the proteins of a given set of living species to show the same degree of divergence?
  48. Science

    I did your corrections. I just wanted to know if all the sentences are correct from a scientific point of view. Thank you. 1) DNA contains instructions which decide which proteins a cell will make and consequently determines the whole chemistry of the
  49. English

    I'd like you to check these sentences grammatically. I also would like you to see if the terminology I used is correct. Help me improve my paragraph, please. 1)DNA contains instructions which decide which proteins a cell will make and consequently
  50. Biology

    What role do vesicles play in processing the proteins in the Golgi Apparatus? a. They create the proteins.(No) b. They modify the proteins. (No) c. They store the proteins. (Maybe) d.They transport the proteins. (Maybe)
  51. Biology

    What role do vesicles play in processing the proteins in the Golgi Apparatus? a. They create the proteins.(No) b. They modify the proteins. (No) c. They store the proteins. (Maybe) d.They transport the proteins. (Maybe)
  52. Bio

    Which membrane proteins are involved with the transport of molecules that otherwise would be unable to enter the cell? a) linker proteins b) glycoproteins c) carrier proteins d) peripheral proteins e) receptor proteins
  53. CHEMISTRY

    A 70.0 mL solution of 0.165 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.165 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. Calculate pH
  54. CHEMISTRY !!! HELP !

    A 70.0 mL solution of 0.165 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.165 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. Calculate pH
  55. Biology

    Why and how do the side chains of the general structure of an amino acid affect the function and structure of each amino acid?
  56. Biology

    pair up your nucleoide sequence with the mRNA sequence then you will find from the amino acids in the codons what amino acids are present in the lactase production. Each dna sequence coincincids with the appropriate mRNA sequence unless there is a mutation
  57. chem

    which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B
  58. Chemistry practice

    Glycine is the amino acid used to make proteins a)for each mole of glycine that burns,973.49k/mol of which is libarated eqution and the values of delta Hf^o for the products of combustion to calculate the enthalpy of formation for glycine.Represent your
  59. Chemistry

    which of the following statements are true? a) For an acid H-O-A : the greater the electronegativity of A, the weaker the acid HA b) For an acid H-A : the weaker the H-A bond, the stronger the acid H-A c) HF is a stronger acid than HCl d) HClO4 is a weaker
  60. science

    All biomolecules are made up of the elements carbon, hydrogen, nitrogen, oxygen, and sulfur. carbon, hydrogen, nitrogen, and oxygen. carbon, hydrogen, oxygen, and sulfur. carbon, hydrogen, and oxygen.*** Nucleic acids are the building blocks of proteins.
  61. chemistry

    A student titrated 10.00mL aliquots of her unknown amino acid solution with standard 0.1521M NaOH and with 0.0986M HCl. Inflection points were determined in the graphs after 3.29mL of HCl and 18.61mL of NaOH were added. Calculate the concentration of the
  62. Biology (bobpursley)

    1) Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ
  63. Biology

    Produce a nucleotide sequence with a single base-pair substitution mutation that still produces the same amino acid sequence. Indicate the site of the mutation and explain why the amino acid sequence is not affected.
  64. physio

    Which one(s) of the essential chemical elements (H, C, O, N) does blood contain? All of them not just one of them. All amino acids contain carbon, hydrogen, oxygen and nitrogen. Blood contains several dozen proteins alone
  65. science

    In this problem, you will explore the protein lysozyme. Lysozyme is present in hen egg whites and helps to protect the developing chick from bacterial infection by destroying the cell wall of certain bacteria. Lysozyme does this because it is an enzyme, a
  66. Biology

    Which statement is NOT true about the proteins in the plasma membrane? -Proteins may be attached to the inner surface of the plasma membrane. -The hydrophobic portion of a protein is embedded within the membrane. -Some peripheral proteins are connected to
  67. biology

    Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to
  68. biology

    Mutant C: Suppose an A/T base pair was inserted in between the two G/C base pairs at positions 18 and 19, marked by the letters above and below the strands. What would the amino acid sequence of the resulting protein be? Be sure to enter the sequence N- to
  69. Chemistry

    For my lab, I have been asked to calculate the pKa of an unknown amino acid. We titrated the unknown amino acid with NaOH. The pKa needs to be calculated using the Henderson Hasselbach Equation. Obviously you can just get the pH from any point on the graph
  70. Biology/Chemistry

    What kind of isomers can amino acids form? Which isomer is present in most living organisms? don't major compounds of living organisms consist of modifications of hydrocarbons Although D amino acids can be found in nature, only the L isomers are used to
  71. Health

    proteins are made up of substances are called Amino Acids right ?
  72. Biology

    Breaks down proteins into polypeptides and amino acids What is the component?
  73. Biology

    How are proteins, lipids, and polysaccharides similar? (1 point) A. They contain the same atoms and types of bonds between atoms. ****** B. They are natural polymers composed of repeating monomeric units. C. They are formed during exergonic metabolic
  74. science

    Cellular respiration produces glucose. oxygen. cellulose. ATP.*** To produce starch, glucose molecules bond together through photosynthesis. dehydration synthesis.*** nucleotides. cellular respiration. By which process does yeast produce the carbon dioxide
  75. Chemistry

    The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The equation for its combustion is 4C2H5NO2(s) + 9O2(g) -------------> 8CO2(g) + 10H2O(l) + 2N2(g) For each mole of glycine that burns, 973.49 kJ of heat is
  76. biology

    What types of amino acids and domains are found in the "transmembrane" region of these proteins?
  77. How Cells Make Proteins

    Question 3 A) The amino acid serine is coded by the mRNA codon AGU. What is the base sequence of the DNA gene that originally produced this mRNA codon?(1 point) TCA UCA TCC AGU Question 4 A) Select the statement that is true.(1 point) Thymine is only
  78. Exercise\workout

    I have three questions if you please, can I take protein even if with no any workout? can I take amino acid pills in lower dose to meet some deficiencies ? and, can I take protein along with amino acids for bodybuilding ? Thank you so much
  79. Genetics

    A portion of alcohol dehydrogenase enzyme contains 375 amino acids. Including both amino acid and all other necessary codes, how long is the coding portion of the corresponding mRNA? Thanks
  80. genetics

    you want to build a protein that is 10 amino acids long with the number of different amino acid that can be used how many unique protein could you7 construct.? B)How would this information be encode in your genome?
  81. Chemistry

    A 70.0 mL solution of 0.171 M potassium alaninate (H2NC2H5CO2K) is titrated with 0.171 M HCl. The pKa values for the amino acid alanine are 2.344 (pKa1) and 9.868 (pKa2), which correspond to the carboxylic acid and amino groups, respectively. a) Calculate
  82. Science

    Plants, cows and humans use the same amino acids to make up their proteins and yet the proteins are very different. Why?? Could a plant make a human protein if we could splice a human protein gene into the plant's genome? Why? ----Those questions are from
  83. Biology

    The LEPR gene that encodes for the leptin receptor protein is approximately 23 kilo base pairs long. The receptor protein consists of 896 amino acids. A man has a mutation in an LEPR allele. Analysis of his DNA sequence for this lepr allele shows that
  84. biology

    Hemoglobin is a critical oxygen-carrying protein. The protein functions as a tetramer with two α-globin subunits and two β-globin subunits. Individuals homozygous for a specific single point mutation in the region that encodes the sixth amino acid in
  85. chemistry

    The skeletal structures of the two amino acids, glycine and lysine, are given below along with the values of the relevant acid dissociation constants (pKa). (b) Calculate the pI (isoelectric point) of the dipeptide, Lys-Gly, assuming that there is
  86. biology

    Which of these statements concerning the centromere is NOT true? a. it appears to join dupicated DNAs b. It anchors proteins to DNA. c. Its position along the chromosome varies d. It is visible as a constriction on the chromosome. e. IT is where sister
  87. chemistry

    If the acid base reaction HA(aq)+B^-(aq)---> HB(aq)+A^-(aq)
  88. chemistry

    i need help on this i don't get it MDJ OB 018: Alice looked in the looking glass and saw her image there. She invited her image to some out but the visit was short since her image found that she was starving to death and that all the food tasted bad. Why
  89. Science

    Suppose a mutation occurs in the gene for a particular aminoacyl-tRNA synthetase. The mutation changes which amino acid is recognized, without affecting which tRNA molecule is recognized. How is this likely to affect protein synthesis?Find all that apply.
  90. Biology

    Suppose a mutation occurs in the gene for a particular aminoacyl-tRNA synthetase. The mutation changes which amino acid is recognized, without affecting which tRNA molecule is recognized. How is this likely to affect protein synthesis?Find all that apply.
  91. Evidence for Common Characteristics Quick Check

    Which of these statements about DNA is true? (1 point) O All animals have DNA. DNA is too similar to use for grouping organisms. O Proteins signal the cells to make DNA. ODNA is a protein.
  92. Biology

    Can you please help me with this question? Which word is the most appropriate to use in the blank? Normal growth is dependent upon the quantity and quality of proteins eaten. The quality of protein--whether it is complete or incomplete --is dependent upon
  93. Chem

    Which one has an optical isomer? butryic acid t-butanol 2-bromo-2-methylbutane 2-amino-2-methyl-butal-1-ol I know it's not t-butanol or 2-bromo-2-methylbutane. Is it 2-amino-2-methyl-butal-1-ol? Correction to above: 2-amino-2-methyl-butan-1-ol (Butan is
  94. 20 question please check my answers

    1. A sickness resulting from eating food that is not safe to eat empty-calorie foods nutrition foodborne illness nutrient density 2. A nutrient that helps control the amount of fluid in your body sodium calorie protein nutrition 3. A measure of nutrient
  95. Chemistry

    The amino acid glycine, C2H5NO2, is one of the compounds used by the body to make proteins. The equation for its combustion is 4C2H4NO2(s)+9O2(g)---> 8CO2(g)+10H2O(l)+2N2(g) For each mole of glycine that burns, 973.49 kJ of heat is liberated. Use this
  96. Science

    Which of these statements about DNA is true? A.All animals have DNA. B.DNA is a protein. C.DNA is to similar to use for grouping organisms. D.Proteins signal the cells to make DNA.
  97. science

    Which of these statements about DNA is true? (1 point) A) Proteins signal the cells to make DNA. B) DNA is too similar to use for grouping organisms. C)All animals have DNA. D) DNA is a protein.
  98. physical chemistry

    I calculated that the denaturation enthalpy and entropy changes for chymotrypsin are: H = 418 kj/mol S= 1.32 kj/mol(K) Assume that, in the denatuartd state, each amino acid had three possible orientations. estimate number of amino acid in chymotrypsin
  99. Biology

    what is the RNA sequence 3'-AUGAAGAAGUUCUGA-5' in amino acid? I need to convert the RNA sequence to amino acid sequence and I don't know how. Can some help?
  100. Chemistry

    Draw the structure of the tripeptide “Asp-Ala-Ile” at pH = 1. Then determine the total charge of the tripeptide. The side chain of each amino acid is shown below in the form at pH = 7. (So when you use them to answer this question, you might need to

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