1. What does the tea bag represent? [ Select] 2. If the teabag is a cell, the water is considered to be [Select] 3. In these solutions, the tea leaves are considered to be the [Select ]
Q: When the glycerol-phosphate shuttle is used, the production of this many ATP molecules resulting fro...
A: For completing the aerobic glycolysis, the NADH formed during the conversion of glucose to pyruvate ...
Q: Ribosomes are made up how much RNA component? 1/3 2/3 50% 2/4
A: Ribosomes are the translation machinery of the cell. The ribosomes are ribonucleoprotein assemblies ...
Q: Provide a detailed narrative description of the mechanism of carbonic anhydrase.
A: Carbonic anhydrase : It is a metaloenzyme (complexed with zinc) which mainly catalyzes the inter con...
Q: The image below was the basis of Watson and Crick to be able to elucidate the DNA structure. Explain...
A: DNA is the genetic material which is present inside the cell nucleus of most eukaryotic cells. DNA a...
Q: Listed below are five amino acids. Use the genetic code to determine the exact codon for each amino ...
A: Transition refers to a point mutation that changes a purine nucleotide to another purine or a pyrimi...
Q: How can you show that σ (sigma factor) does not really accelerate the rate of transcription elongati...
A: Transcription: It is the first step of gene expression where a particular segment of DNA is copied t...
Q: Explain how PEMBA is used to isolate, differentiate and enumerate Bacillus cereus from food sample.
A: Microscopic organisms such as bacteria, fungi (mold and yeast), protists, archaea, alga...
Q: + J. Draw the structure of the following molecules and complete the table. Aldose/ Pentose/ Mono/Di/...
A: Carbohydrates: Carbohydrates are polyhydroxy aldehydes or ketones that are primarily produced by pl...
Q: There are several different types of carbohydrates and lipids. But there are thousands of different...
A: Those biomolecules that are required in large amounts for proper growth and development of the body ...
Q: Differentiate between fibrous and globular proteins
A: On basis of shape and solubility, Proteins can be classified into two categories:- 1.Fibrous ,eg., ...
Q: Characterize the interconnection between Citric acid cycle and Urea cycle. Draw the scheme of this i...
A: Steps of citric acid cycle
Q: Hydrolysis of Disaccharides and Polysaccharides Sucrose + H,O Sucrose + HCI Starch + H,O Starch + HC...
A: The disaccharides and polysaccharides are broken into their component sugar molecules by the process...
Q: Identify the type of isomerism exhibited by the following pairs of monosaccharides
A:
Q: Consider a mixture of two proteins with molecular weights of 20,000 and 200,000. For simplicity of c...
A: Sedimentation Coefficient is the rate per unit centrifugal field experienced by the particle undergo...
Q: One gram of cultured human cells contains about 10^9 cells and occupies roughly 1 mL. if the average...
A: 1 gram cells = 109 cells 1 cell = 6.4×109 bp per cell 1 bp molecular weight = 660 daltons
Q: What are the disadvantages of using genetic engineering to obtain resistant plants?
A: The new genetic material (DNA and genes) has been transfecting or reprogramming cultured ce...
Q: Which of the following would not be considered a reason for the decline in fat oxidation with increa...
A: Beta oxidation is a catabolic process that occurs in both prokaryotes and eukaryotes to break fatty ...
Q: Why and how do enzymes get denatured by heat and some organic reagents? What's the concept of it?
A: Enzymes are proteins (except Ribozyme) function in catalysis of biochemical reactions. They optimal ...
Q: 1. The partial negative charge at one end of a water molecule is attracted to the partial positive c...
A: Hydrogen bonds is a non-covalent interaction in which are formed between an electronegative atom and...
Q: B. Draw the structure of the given peptides. 1. Ser-Asp
A: Peptides are composed of standard amino acids. There are 20 standard amino acids that makeup all the...
Q: What is the concentration of enzyme (in mM) needed to achieve a Vmax of 8.00 mM/s if the enzyme has ...
A:
Q: ased on the following qualitative tests for proteins, which one is positive/negative for intact prot...
A: Amino acid: Amino acids are building blocks of proteins and also act as an intermediate in metaboli...
Q: Using an official compendium, enumerate the different general tests required for the for the raw mat...
A: N-acetyl cysteine is used in the biological antioxidant activities. Further this molecules quenches ...
Q: This is a reducing tetrasaccharide and is made up of 3 different monosaccharides True False
A: Given tetrasaccharide - Alpha(1,6) glycosidic linkage between 1st and 2nd monomer;2nd and 3rd monome...
Q: 8) brodctive peatirde. Substance A is a HN N HO 3) Suggest a strategg for ynthers of A. b) write alo...
A: Cyclic peptides are bistable molecule, metabolize slower due to resistance to protease digestion. Th...
Q: The following statements best describe the RNA structure EXCEPT they are double stranded because ...
A: RNA is a single-stranded molecule, but can form local double-stranded structures. RNA can form doubl...
Q: Why is it not possible to find a five-fold symmetry operation in naturally-occurring crystals?
A: The atoms make up a crystal structure. The points make up a crystal lattice. The crystal structure i...
Q: Electrospray can transfer the peptide from solution into the gas-phase while retaining the peptides ...
A: Peptides are short chains of amino acids linked by peptide/amide bonds. The property of the peptide ...
Q: escribe and give the results of an experiment that shows that polymerase III makes tRNA and 5S rRNA.
A: DNA and RNA are made up of long chains of nucleotides and ribonucleotides bases respectively. ...
Q: Identify the names of protein separation methods and also understand the methods of separation. (1-2...
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...
Q: What are the possible effects and changes on the Michaelis-Menten equation that can result from comp...
A: COMPETITIVE INHIBITION:- structure of inhibitor closely resembles that of enzymes normal substrate...
Q: A geneticist discovers that two different proteins are encoded by the same gene. One protein has 56 ...
A: Organically active proteins are the polymers of L-amino acids linked by a peptide bonds. Various ada...
Q: If a test tube has boiled saliva + potato chips, what did the boiling do to the enzyme in the test t...
A: Our body has various digestive juices or enzymes that facilitate the digestion process. One such dig...
Q: WHAT ARE THE PURPOSE OF THESE TESTS: Molisch test, Benedict’s test, Nylander’s test, Osazone’s test,...
A:
Q: Competitive and non-competitive inhibitions
A: Enzyme inhibition takes place when an inhibitor binds to the substrate and inhibit the activity of e...
Q: activity? To answer the question: a) name the hormone, controlling the lipid metabolism in adipocyte...
A: The breakdown or storage of fats for energy, as well as the production of structural and functional ...
Q: lease describe a strategy to correctly balance a centrifure rotor if you have 4 samples. 2 samples w...
A: Centrifuge: It is an important tool in the biochemistry lab that through a rapid spinning process u...
Q: a) Assuming that ubiquinone is unavailable inside of the cell, calculate the AG and the Keq if elect...
A: Gibbs free energy: Gibbs's free energy is a calculation of chemical energy. All chemical systems fa...
Q: If a protein were placed in a nonpolar solvent, would it have the same structure as the same protein...
A: Proteins play out an incredible assortment of particular and fundamental functions in the living cel...
Q: True or False 1. Salivary amylase can be use to hydrolyze beta1,4 glycosidic bonds of cellulose. 2. ...
A: Those organic molecules that help in the growth and development of the body by performing specific f...
Q: When a DNA sample is subjected to sequencing, the two strands must be separated. True False
A: DNA or Deoxyribonucleic acid is the primary genetic and hereditary material in all living organisms....
Q: Low-resolution X-ray diffraction analysis of a protein composed of long stretches of the sequence (-...
A: Fibroins are insoluble proteins that are present in silk produced by insects, such as the larvae of ...
Q: Nucleic acid has significant absorption in the UV range because of the presence of the sugar-phospha...
A: Cells, the most fundamental unit of life, are found in all living things. All of life's vital activi...
Q: With the aid of diagrams, explain the processes and principles of each of the following methods: ...
A: Enzymes have the ability to increase the rates of reactions in biological systems and this property ...
Q: The only sugar structure that does NOT contain chiral carbon atom a. Erythrose b. Erythroluse c. Gly...
A: Multiple questions asked. I can answer the first question, following the guidelines. Kindly repost o...
Q: What is the concepts of the native conformation of proteins? Why and how do proteins refold and unfo...
A: Proteins are polypeptide structures consisting of one or more long-chain amino acid residues. They a...
Q: All of the following steroid hormone synthesis occur in the adrenal cortex EXCEPT a. Cortisol b....
A: The adrenal cortex is the outer portion of the adrenal gland that constitutes 80% of the gland. Adr...
Q: Observe the structures above and answer the questions below. Please pay attention to the number of e...
A: All these structures given are protein domain or motif structure and is part of many large protein m...
Q: 1. Which of the following statements is accurate regarding these protein structures? a. Proteins in ...
A: In a folded polypeptide chain the non-covalent interactions between the R groups of non-adjacent ami...
Q: ОН НО НО OH НО HO- ОН ОН HO. OH Но What are the monosachharides that make up this trisaccharide? a-D...
A: For sugars, Pyranose - Sugar with the 6 membered ring having 5 carbon atoms, and 1 oxygen atom Furan...
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- How many mL of 19 mM SDS would you need to make 76 mL of 2 mM SDS? Report your answer rounded to 1 decimal place.You want to dilute a sample by 1/3. For a final volume of 27 ml, how much sample would you add to how much liquid media?If skin cleaning solution is to be diluted 1 teaspoon to 64 ounces of water, how much water would need to be added to a container containing 1/4 teaspoon of skin cleaning solution?
- Give the color of the water mixed with Lugol's iodine solution in these situations before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:Mary Jo prepared a series of diluted samples by taking 1 mL of sample and adding it to 4 mLs of diluent. She then diluted the sample further by adding 1 mL of diluted sample to 19 mLs of diluent. What is the final dilution factor ?900 mL saturated solution (potassium sulphate) was made at 30 degrees celsius. If the solution is heated to 50 degrees celsius, how much more potassium sulphate can dissolve now? Typed out would be preferred, or neat handwriting.
- Give the color of the cooked rice mixed with Lugol's iodine solution in these situations before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:Chemical Test Just fill out Table 2 by writing “+” if the compound is soluble/miscible in the solvent. Otherwise, write “-“. Table 2. Data on the results of chemical tests for C4H6O2. Chemical Test Observations + or - Ninhydrin test no colored spots on filter paper iodoform test clear pale-yellow solution Br2/CH2Cl2 (dark) clear red-orange solution Molisch test turbid colorless solution Tollen’s Test clear, colorless solutionWhat would happen if: The alcohol was left on for 20 minutes? The safranin was added after addition of the iodine? The addition of iodine was omitted?
- You start working in a new laboratory. When you arrive, you find a few vials on the bench. The description on one vial has been smeared and you cannot make out what the liquid is. The following is still legible: The volume is: 50 mL The concentration is: 1.5 M The label says: xx g was originally added The bit you can make out says: XxSO4 What is the sample?A solution measuring pH 12 is _________ times __________ concentrated with H+ than a solution measuring pH 9.Sodas typically contain sugar, flavorings, coloring agents, and carbon dioxide dissolved in water. The best term to describe this mixture would be _____.