QUESTIONS: 1. Aside from carbohydrates, lipids and proteins, what other organic compounds are found in plants?
Q: HN₁ O=C₂ G N IZ Which of the following nitrogenous bases is represented by this structure? CH CH 6
A: Nitrogenous bases or nucleotides are the structural components of DNA and RNA. Nucleotides are of…
Q: 5. Consider the reaction for assembly of a tetrapeptide from for amino acids: Serine + Proline +…
A: Cellular metabolism consists of both anabolic and catabolic processes. The energy released during…
Q: If you wanted to improve the catalytic efficiency of an enzyme, would you mutate amino acid residues…
A: In the transition state, a molecule is neither a substrate nor a product. This state exists at the…
Q: How does mottling on tablets appear during drying process? Give your insights on how mottling can be…
A: Introduction During tablet processing different types of defect may arise. An tablet should be free…
Q: Calculate the pI of the peptide KLMRDSP (pKa = 3.5, 3.9, 9.5, 10.0, 12.5).
A: The amino acids contain ionizable groups. The ionic form of these groups depends upon the pH of the…
Q: A. Given the 7 proteins in the table, will they all be separated properly using isoelectric…
A: Proteins are high molecular weight biomolecules made up amino acid residues linked via a peptide…
Q: The Hb Yakima variation is caused by the mutation D99H, which results in a shift in oxygen binding…
A: Hemoglobin binds to oxygen and it appears in two state. The T state (tensed) and R state (relaxed).…
Q: Proteins form plant sources are Always complete dietary protein Seldom complete dietary protein It…
A: Proteins are substantial, intricate molecules that are essential to numerous bodily processes. They…
Q: All enzymes have an optimal temperature and pH environment. Choose how the following changes might…
A: Enzymes are high molecular-weight protein molecules that catalyse biochemical reactions. The…
Q: RNA polymerase is found in the mitochondrial matrix. True False
A: The "powerhouses" of the cell are frequently referred to as mitochondria. They assist in converting…
Q: How to calculate percentages of arginine have positively charge at PH=7
A: pH is the measure of H+ ion concentration ( denoted by [H+]) in the solution. High pH means low H+…
Q: Only 0.1% of peptide bonds have the cis configuration. Calculate the difference in energy between a…
A: A peptide bond is formed between the alpha carboxyl group of the amino acid residue at the N…
Q: A student is trying to add 15.0 ng of DNA template to a 20.0 µL PCR. The DNA template is at a…
A: Polymerase Chain Reaction or PCR is a method to make multiple copies of DNA starting from a small…
Q: Would you expect the structure of a competitive inhibitor of a given enzyme to be similar to that of…
A: Enzyme inhibition is a process by which the activity of an enzyme is altered. Inhibitors are…
Q: what does this picture indicate? what is difference bewteen A, B, and C ?
A: INTRODUCTION : Myoglobin - It is an iron and oxygen binding protein found in the skeletal &…
Q: where in the cell Electron transport chain and oxidative phosphorylation occur?
A: Cellular respiration is the process how biochemical energy is generated from food. It involves the…
Q: What is ATP? in 5 sentences Why is ATP important in the body? in 5-7 sentences
A: There are many forms of energy. But living system needs one form of energy i.e., chemical energy.…
Q: 1.0 E oxygen saturation (Y) 0.6 0.4 0.2 0.0 20 40 60 blood pO₂ (torr) 80 100 120 for this picture…
A: Hemoglobin carries oxygen from the lungs to the tissues and CO2 from the tissues to the lungs. When…
Q: Describe the p-nitrophenol assay and how a standard curve can be used to calculate the concentration…
A: An assay is a biochemical lab procedure to determine the quantity of molecules of interest in a…
Q: 1. Calculate the size of the resulting fragments as they will occur after digestion and write the…
A: Lambda DNA is a linear DNA extracted from E coli bacteriophage with 485052 base pairs (bp) At each…
Q: The smooth endoplasmic reticulum can be described in what ways? Select the correct response(s): It…
A: The endoplasmic reticulum is composed of a network of flattened sacs and branching tubules that…
Q: Question 9 Which of the following fatty acid does have greater solubility in wat O 16:0 O 18:0 O…
A: Fatty acids are a class of lipids that are nonpolar and are insoluble in water. The naturally…
Q: What are the key differences between DNA synthesis (in the context of DNA replication) and RNA…
A: DNA is the genetic material. Replication is the process that copies the DNA to produce identical…
Q: Which of the following is CORRECT? B) A "low energy compound" has a AG'° of less than -25 kJ/mol. C)…
A: catabolism and anabolism together referred to as metabolism. Breaking down if complex compounds to…
Q: Which of the following is NOT true of a competitive inhibitor? A) Its effects can be overcome by…
A: Competitive inhibitor- It competes with the substrate for the active site of an enzyme, while the…
Q: Select the chemical consequences that could contribute to DNA instability at AP sites. fewer…
A: AP sites are apuraniya sites that are created through the hydrolysis of N glycosyl bond between…
Q: Ph.D Fernando, Harvard Professor of Genetic Epidemiology, knows a thing or two about Twins. He must…
A: S-adenosyl-methionine: It is a typical cosubstrate used in amino-propylation, transsulfuration,…
Q: Given 2 M Tris, pH 7.1 (pKa 8.0), 5 M NaOH, 5 M HCI, and water; how would you prepare 2 L of 0.2 M…
A: Equation of dilution: M1V1 = M2V2 where: M1 is the molar concentration of the stock solution. M2 is…
Q: What effect does a negative effector have on the graph of reac- tion rate (V) vs. [substrate] for an…
A: INTRODUCTION : Allosteric enzymes : Allosteric enzymes are those enzymes which have an additional…
Q: Which of the following statements about oxidative phosphorylation is correct? OH* ions are…
A: Introduction ATP is synthesised in the mitochondria of a cell by a process called oxidative…
Q: Which of the following laws of matter best describes the statements on sulfide minerals? Select one:…
A: INTRODUCTION : Sulfide minerals - They are a class of minerals consisting of sulfide or disulfide…
Q: Which of the following is CORRECT? A) Pyruvate kinase requires Mg2+ for maximal activity. B) A small…
A: Pyruvate Kinase is an enzyme which catalyzes the last step of glycolysis, i.e, conversion of…
Q: Specificity is defined as: A. False positive rate of a test. B. True negative rate of a test. C.…
A: Introduction There are two kinds of tests used to assess people’s health, diagnostic tests and…
Q: Problem 1: Calculate the hydrolysis of ATP at pH 7 at 37°C under steady state conditions in which…
A: In a general reaction such as: aA + bB ⇌ cC + dD At equilibrium (steady state), the concentration of…
Q: 8- A B ATP C D А E
A: The cell membrane is composed of a lipid bilayer that allows small and nonpolar molecules to pass…
Q: In gluconeogenesis, how is glucose-6-phosphate converted to glucose? is converted to glucose by…
A: Gluconeogenesis is a metabolic process that converts non-carbohydrate carbon substrates such…
Q: Protein folding can be described as an equilbrium between an unfolded state (U) and the folded…
A: Change in Standard Gibbs free energy (∆G0') is the change in Gibbs free energy (∆G) at equilibrium.…
Q: Imagine a disease that involves reduced expression of receptor X. There is no concentration of full…
A: In receptor-ligand interaction, the receptor is a macromolecule that serves as the binding site of…
Q: Consider the malate dehydrogenase reaction from the citric acid cycle. Given the listed…
A: Malate dehydrogenase catalyses the reversible conversion of malate (MAL) to oxaloacetate (OAA),…
Q: 4) For various amino acid pairs (for example: F to A, E to R, D to N, V to L, S to W), ask yourself:…
A: Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…
Q: 13. Discuss the energetics of High energy molecules that carry phosphates and provide an example of…
A: Cellular metabolism is made possible due to the participation of high energy molecules. The purpose…
Q: DNA: What happens in each stage or phase of transcription (initiation, elongation, termination)?
A: Transcription is the process of Synthesis of mRNA from DNA by RNA polymerase. It uses 3'-5' strand…
Q: How is aquaporin synthesised? List step by step. How is this protein made and targeted to its final…
A: Aquaporins (AQP) are protein channels that function in the transfer of water at very high rates…
Q: Experiment 1.2 - Reaction over time 2. Using the standard curve in 1.1, calculate the amount of…
A: The given graph is representing the relation between the absorbance of Product and the concentration…
Q: What is one technique or property of a protein that you could use to monitor the fractions so you…
A: In column chromatography, there is a stationary phase and the mobile phase. The stationary phase…
Q: The degradation of nutrients for energy is also known as oxidative metabolism. True False
A: Metabolism is the total of all chemical transformation that takes place in a living cell. One…
Q: What is most correct about the following inhibition? Penicillin
A: The antibiotic penicillin irreversibly binds to and inhibits the activity of the transpeptidase…
Q: Why are single strand binding proteins (ssb proteins) needed in DNA replication? (note that you need…
A: DNA consists of two strands of polynucleotide that are linked to each other via hydrogen bonding…
Q: 2. Oxidation of galactose with conc HNO3 yields a. Galactaric acid b. Glucuronic acid c. Saccharic…
A: There are different chemical reactions involving a variety of saccharides or carbohydrates which…
Q: DNA: what telomerase does and why it's necessary?
A: A telomere is the region at the end of a chromosome which contains a repetitive DNA sequence. DNA…
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- 9. What is the limit for daily intake of added sugars recommended by the Dietary Guidelines for Americans? Group of answer choices <5% of total kcal <10% of total kcal <25% of total kcal <50% of total kcal14. What is the limit for intake of saturated fat recommended by the Dietary Guidelines for Americans? Group of answer choices <5% of total kcal <10% of total kcal <25% of total kcal <50% of total kcala. Summarize (3-6 Sentences) any important applications of the element Nitrogen. b. Is there any biological application for the Nitrogen element in the human body? If yes- what is it? c. Are there any dangers associated with Nitrogen?
- 12. A nurse is caring for a patient with refractoryepilepsy. To enhance medical management,a ketogenic diet has been prescribed. Ineducating the patient about dietary energysources, all of the following statements are true, except: a. Proteins consist of polymers of nucleic acids.b. Fat provides more kilocalories per gram thanprotein.c. A high-fat diet may cause increased serumcholesterol levels.d. Starch is an example of a carbohydrate.;!Which of the following statements about nutrients is true? All classes of nutrients are essential to human survival. Because the body cannot store any micronutrients, they need to be consumed nearly every day. Carbohydrates, lipids, and proteins are micronutrients. Macronutrients are vitamins and minerals.uestion 7 Select one answer. What is the major function of carbohydrates? A. stable genetic information B. membrane formation C. enzymes and cell structures D. energy storage and signaling
- Discuss some of the ways trace minerals interact with each other and with other nutrients.What are reducing sugars? Why are monosaccharides considered as reducing sugars? Which qualitative tests can help you determine the presence of these reducing sugars and the principle behind it? (Qualitative Tests for Carbohydrates)Discuss some of the diseases that can result from an unhealthy lipid profile for an extended period of time?
- Carbohydrate (True or False) 1. linked to lipids in hormones 2. contains C=O 3. linked to proteins in the cell membrane 4. provides energy in the form of glucose 5. possesses HC=O linked to lipids in hormones contains C=O linked to proteins in the cell membrane provides energy in the form of glucose possesses HC=O56. Which of the following statements concerning unsaturated fats is TRUE? Group of answer choices They have double bonds in the carbon chains of their fatty acids. They contain more hydrogen than saturated fats having the same number of carbon atoms. They are found in butter and lard. They have fewer fatty acid molecules per fat molecule.15. The analysis of ascorbic acid content in a commercial Vitamin C tablet is an iodometry redox titration method. 16. Redox reaction with iodine endpoint is signaled by the disappearance of the blue iodo-starch complex. 17. Soft water do not have any dissolved metals ions. True or false