Flory-Huggins Theory. How are polymers modeled in the theory, and what does the theory predict? What are LCST, UCST, and ‘Good Solvent.’
Q: 1. Similarities between glucose, galactose, and fructose? 2. Differences between glucose,…
A: Monosaccharides are the simplest form of carbohydrates, also known as simple sugars. They are…
Q: Name the appropriate isoform of malate that can interact with fumarase.
A: Fumarase is an enzyme of the tricarboxylic acid (TCA) cycle in mitochondria. This enzyme belongs to…
Q: Write the line structure of each of the following peptide at pH7 and identify how many peptide bond…
A: To calculate the number of peptide bonds in a peptide, you need to know the number of amino acids it…
Q: 1. What do the drops of NaOH indicate in terms of metabolic output (Hint: what causes carbon dioxide…
A: Aerobic respiration is a metabolic process that requires oxygen and produces ATP, a molecule that…
Q: In chymotrypsin, a mutant was constructed with Ser 189, which is at the bottom of the…
A: Chymotrypsin is a digestive enzyme that is produced in the pancreas and plays an important role in…
Q: Chitin is a storage form of fuel in plant cells is the storage form of glucose in animals provides…
A: Biomolecules are molecules found in living organisms that play a role in their chemistry. They are…
Q: Properties of somatotropic hormone. Hypo- and hyperfunction.
A: Somatotropin hormone, also known as human growth hormone (HGH), is a peptide hormone that is…
Q: If the absorbance at540nm of a biuret and protein solution containing 0.25mg/ml of protein .24 the…
A: The biuret assay is a colorimetric method used to quantify the concentration of proteins in a…
Q: Name the most important proteins in plasma and their functions.
A: Plasma contains a complex mixture of proteins, most of which are synthesized in the Liver.
Q: Match each inhibitor with its effect on Michaelis-Menten reactions. Group of answer choices Vmax…
A: Michealis menten kinetics can be described by using the following equation: Where V is velocity of…
Q: Consider the following two peptides: I. Ile-Trp-Ala-Met and II. Glu-His-Cys-Thr Which peptide would…
A: Peptides are short chains of amino acids that are linked together by peptide bonds. Amino acids are…
Q: Order the following TCA cycle metabolites in the order they are produced in one turn of the citric…
A: The TCA cycle operates in the matrix of the Mitochondria. It is the final common pathway for the…
Q: When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine…
A: Introduction: The answer provides an explanation of how the amino acid alanine (with a CH3 side…
Q: When the enzyme is incubated with iodoacetate, it is observed that glyceraldehyde-3- phosphate still…
A: Enzymes are made up of amino acids, and the sequence as well as the arrangement of those amino acids…
Q: On the basis of their physical properties, hormones fall into one of two categories. One category,…
A: The mechanisms of hormone action differ due to their difference in solubilities. The hormones are…
Q: NADPH inhibits glucose-6-phosphate dehydrogenase. What kind of inhibitor is NADPH?
A: Glucose-6-phosphate dehydrogenase (G6PD) is found in the cells of many organisms. It plays an…
Q: A carboxypeptidase is a metalloenyme (its active site contains one or more metal ions essential for…
A: An active site of an enzyme is a three dimensional structure that occurs within the enzyme. An…
Q: Carbonic anhydrase of erythrocytes (M, 30,000) has one of the highest turnover numbers known. It…
A: The turnover number or kcat of an enzyme is defined as the maximum number of substrate molecules…
Q: In mice, the a mutation results in albino mice, while mice with at least one copy of the A allele…
A: The test cross is done between an organism of dominant phenotype and an organism with a homozygous…
Q: The glutamate dehydrogenase (GDH) catalyses the following reaction: H +H3N- C CH₂ CH₂ COO™ acide…
A: In order to calculate the concentration of species in the reaction medium at time =0, we need to…
Q: Q. 5. Give one example each of di-, tri- and tetra-saccharides.
A: A disaccharide is a complex carbohydrate that upon hydrolysis yields two molecules of same or…
Q: D 1.0. 0.5- O 6. Answer the questions below about hemoglobin and myoglobin. a. Sketch and label the…
A: The binding curve describes the relationship between the amount of oxygen bound to a molecule of…
Q: [Glucose Phosphate] 45 35 15 Glucose-phosphate production at four blood sugar levels [0.25] and…
A: Hexokinase catalyze the conversion (phosphorylation) of Glucose to Glucose 6 phosphate (mentioned as…
Q: 4. Propose a two-step procedure to purify protein A from the other molecules (there are multiple…
A: Ion exchange chromatography is a powerful separation technique used to purify proteins and other…
Q: Which of the following acids is a vitamin? (i) Aspartic acid (ii) Adipic acid (iii) Ascorbic acid…
A: The acid that is a vitamin is option (iii) Ascorbic acid. Ascorbic acid is also known as Vitamin C.…
Q: Various concentrations of recombinant human insulin were prepared for use standards for an HPLC…
A: Beer's Law states that the absorbance is proportional to concentration of the given solute which is…
Q: has the greatest structural variability. a amine b. carbonyl L cailway! d. a carbon e. co carbon…
A: The answer is c. a carboxyl. All amino acids have a basic three-component structure consisting of an…
Q: You undertake a research project with your favorite biology professor to analyze the behavior of an…
A: Enzymes are biocatalyst which are mostly proteinaceous in nature. Enzymes catalyze by increasing the…
Q: In the same oak leaf that absorbed 15,440 photons, how many CO2 molecules are fixed to produce the…
A: The Calvin cycle is a series of biochemical reactions that occur during the light-independent phase…
Q: In two hours of a frozen potato the enzymes and molecules what happens to them
A: When a potato is frozen, the enzymes and molecules within it undergo several changes. During the two…
Q: Table 9.2 shows that Go’ for the aldolase reaction is large, and positive, yet the reaction…
A: Aldolase are class of enzyme that performs an aldol reaction (formation of an aldol) or its reverse…
Q: Would it be possible to start synthesizing the daughter DNA strand without assembling the RNA primer…
A: DNA replication copies the DNA of the cell. The replication machinery of the cell assembles at the…
Q: State and describe the three different types of inhibitors. short answer please.
A: Enzymes are highly substrate specific. Though the activity of the enzymes can be altered using…
Q: Under aerobic conditions when glucose is limiting, with high ratios of NADH/NAD+ and ATP/ADP, as…
A: The question is asking what molecules in the liver would be significantly labelled with radioactive…
Q: Can you please give me a little more detail on finding Ki? Where did the values come from? 0.23,…
A: Parameters such as Km and Vmax are used for comparing enzyme activities. If we know the initial rate…
Q: 1. Consider the peptides P-A-I-G-E and M-A-T-T. a. Draw the structure of each peptide at a pH of 7.0…
A: Formation of the peptide bond neutralises any charge due to the alpha-amino group and alpha-carboxyl…
Q: In the traditional alkaline lysis method, what is the purpose of Solution 1? For what is its use?
A: In the traditional alkaline lysis method for plasmid DNA isolation, Solution 1 (also called…
Q: Which base "PAIRS WITH" the base shown below in a typical DNA double helix? Drag the correct base to…
A: Nucleotides are organic molecules that are composed of a nitrogenous base (purines or pyrimidines),…
Q: For each of the following interactions, tell me two amino acids that can form that interaction…
A: H-bonds and charge-charge interactions are 2 ways in which the sidechains (R group) of amino acids…
Q: what happens when there is a defiency of simple dietary carbohydrates in the body? what happens if…
A: Dietary carbohydrates are one of the three macronutrients found in food, along with protein and fat.…
Q: The catalytic mechanism of an enzyme found in the mitochondrial matrix (pH = 7.8) depends on an…
A: Dissociation of a weak acid is mathematically described by the Henderson-Hasselbalch equation: pH =…
Q: Define: simple diffusion, facilitated diffusion, primary active transport, secondary active…
A: Diffusion is movement of solute molecules from higher to lower concentration through the…
Q: Why are hydrogenases oxygen sensitive? Consult Morra, S. (2022), Fantastic [FeFe] Hydrogenases and…
A: Hydrogenases are enzymes that catalyze the oxidation and reduction of molecular hydrogen. They play…
Q: Lysozyme is an enzyme that hydrolyzes bacterial cell wall…
A: Lysozymes are antibacterial agents that have the ability to hydrolyze the cell wall of bacteria. The…
Q: If a solution of DNA is 3 mg/ml, 0.5 mg of DNA would be contained in how many ml?
A: The following steps will explain the calculation of volume of solution required for 0.5 mg of DNA…
Q: 5. Consider the thermodynamics of DNA replication. What are the different thermodynamic parameters…
A: Central dogma states that the flow of information is unidirectional and irreversible, i.e.…
Q: 2. Consider the following quaternary cartoon structure below, where each colored shape represents a…
A: Some proteins are composed of more than one polypeptide chain. Each polypeptide chain folds to…
Q: Shown below is Lineweaver-Burk plot for an enzymatic reaction at different substrate concentrations…
A: Enzymes kinetics - is the study of the reaction rate of enzyme catalyzed reactions. The reaction…
Q: Calculate the free energy changes at 20°C for the transmembrane movement of Na* and K* ions using…
A: Ions are distributed on either side of the cell membrane. The movement of ions across the membrane…
Q: In ATP synthase, what is the importance of the beta subunit, and how does it interact with the gamma…
A: As per the chemiosmotic model, the proton motive force drives the ATP synthesis. ATP synthase is the…
Flory-Huggins Theory. How are
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- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Supposed you used the enzyme lyase in the biomolecular laboratory, identify reaction that you have certainly observed with the enzyme Lyase. A. you observed intramolecular rearrangement of bonds B.you observed a transfer group from one molecule to another C. you observed breaking of bonds D. you observed formation of bondsBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. One of the following statements best describes the attribute of a “protein motif”. Which one is it?* A. a commonly occurring arrangement made up of tertiary structures B. a commonly occurring arrangement made up of multiple secondary structures C. a unique arrangement made up of tertiary structures found only in a single protein D. a family of proteins with similar functions 2. Find out the reason why antiparallel beta sheets are more stable than parallel beta sheets? A. the hydrogen bonding angle is optimized by antiparallel sheets B. there are more covalent interactions between its amino acids C. the antiparallel sheets are composed of more stable amino acids D. the hydrogen bond angle is 150 degreesDisadvantages of cholesterol
- Reposting - What would the tertiary structure of the dipeptide Asp-Ser be if it was made into a polypeptide chain? (Would it form a beta pleated sheet, an alpha helix, etc) Why would it do this? What properties of this polypeptide causes this? This sub part still needs to be solved - What would the tertiary structure of Pro-ala and Glycl-L-alanine be?Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. Extreme temperatures and pH can cause permanent disruption of the protein primary structure(s) of enzymes that leads to loss of active site shape, loss of binding efficiency and activity.Question:- How do the levels of structure achieved in proteins?
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Chymotrypsin is a digestive enzyme that breaks down proteins. From the following attributes, which one does not characterize chymotrypsin? A. A thiol nucleophile B. Performs proteolysis C. A tetrahedral intermediate D. A catalytic triad of serine, histidine, and aspartate 2. Evaluate the secondary structure of proteins. Which of the following differentiates alpha structures to those beta structures? ? A. alpha structures are helices and beta structures are pleated sheets B. alpha structures are primary and beta structures are secondary C. alpha structures are parallel and beta structures are antiparallel D. alpha structures are L and beta structures are DQuestion:- Explain how the following components contribute to the ideal multifunctional liposome: 1. phospholipid matrix 2. destabilizing lipid 3. conjugation lipid 4. ligands attached via conjugation lipid 5. cell death marker 6. chemotherapeutic agent 7. imaging agentDNA True or false A long chain polymer in which the internucleotide linkages are of the diester type between C-3’ and C-5’ Hydrolyzed by weak alkali (pH 9 to 100°C) Different from RNA since in the latter the internucleotide linkages are between C-2’ and C-5 Usually present in tissues as a nucleoprotein and cannot be separated from its protein component
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. There exists a hydrogen bonding pattern within an alpha helix, which of the following best describes it? A. Lone pair on C=O of residue i to hydrogen on N-H of residue i+4. B. Lone pair on C=O of residue i to hydrogen on N-H of residue i+3. C. Hydrogen of N-H of residue i to hydrogen on N-H of residue i+4. D. Hydrogen of N-H of residue i to hydrogen on N-H of residue i+3. 2. Assuming you are a biology student who would want to do his/her thesis on protein’s primary structure. Which of the following should you be studying? A. alpha-helices B. R-group interactions C the linear sequence of specific amino acids D. beta-pleated sheetsBIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following best describes the relationship between a reactant molecule and an enzyme? A. it is a permanent mutual alteration of structure B. it is one in which the enzyme is changed permanently C. it is an association stabilized by a covalent bond D. it is a temporary associationStraight or with a twist? Account for the different structures of glycogen and cellulose.