Which of the following is incorrect about waxes?

Q: We have mRNA prepared from human cells but PCR needs DNA. What should we do?

A: A polymerase chain reaction (PCR) is a technique that is used in molecular biology to amplify a…

Q: What is NOT a second messenger? phosphatidylinositol 4,5-bisphosphate cyclic guanosine…

A: The secondary messengers are intracellular signaling molecules formed by the cell in response to the…

Q: discuss the significance of the different aseptic techniques utilized in maintaining sterility of…

A: The laboratory that carries out growth of prokaryotic cells or eukaryotic cells in physiological…

Q: Catalase, when in contact, only create bubble with hydrogen peroxide and not with water. This would…

A: The Electron Transport Chain (ETC) carries electrons to the final electron acceptor , O2. Generally…

Q: Which method in biotechnology is used to read and understand an organism's DNA?

A: DNA is a nucleic acid that acts as the genetic material. Knowledge of sequence of an organism's DNA…

Q: What are some combustion and oxidation-reduction reactions that occur in the body?

A: In an oxidation reaction: oxygen is added to the molecule loss of hydrogen by the molecule  loss of…

Q: A mixed triglyceride contains: O A. three similar fatty acids esterified with glycerol B. two…

A: Triglycerides are lipids containing three fatty acids each in ester linkage with a glycerol moiety.

Q: A shortage of available ATP would hinder a cell's ability to import Select one: a. water. b. oxygen.…

A: The movement of molecules inside cell is governed by the plasma membrane that encloses it. The…

Q: Protein that is located primarily in muscles and gives redness color of the muscle.*   A. Hemoglobin…

A: Proteins are biomolecules that are classified into several types based on their functions. They are…

Q: Which of the following is/are a nucleophile(s) at pH 12? O guanidinium O hydroxyl O thiol amine Both…

A: Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen and serve as monomers of…

Q: Which of the following is incorrect about an enzyme-catalyzed reaction? a. Its progress can be…

A: Enzymes are biocatalysts that catalyze biochemical reactions in the cell. There are various enzymes…

Q: What is the difference between a complete compensation, a partial compensation and uncompensated…

A: Compensation refers to the restoring body's pH to the normal range of 7.36 to 7.44. The acid-base…

Q: Define Lacto-ovo vegetarian. Polysaccharides. Tee Eer Osteopenia Osteomalacia.…

A: Introduction: A healthy diet should contain three important components which are: carbohydrates…

Q: How many calories  are stored in fat per pound?* Please choose one correct answer only.   A. 9 B. 4…

A: Calories are the units of energy used by our body during food digestion and absorption. Calories…

Q: The patient was admitted with the hypercholesterolemia and atherosclerosis, which of the folowing…

A: Hypercholesterolemia is a disorder that associates with high cholesterol levels in blood. The…

Q: Fatty acids are ______ at physiological pH. a. charged b. uncharged c. very cheap d. hydrophobic e.…

A: Fatty acids are important micromolecules which combine together to form lipids in plants, animals…

Q: CREATE A SCHEMATIC DIAGRAM OF THE ASSAY OF SODIUM CHLORIDE

A: Introduction: Mohr'smethod is a precipitation titration procedure that uses silver ion as the…

Q: Conversion of Glucose to Glucose-6-phosphate O catalyzed by a dehydrogenase O occurs in the…

A: Ans 1. Option C is correct When the glucose enter in the cell, the hexokinase  1 enzyme convert the…

Q: 10. You have developed a transcription assay that recapitulates the in vivo regulation of the…

A: As given in the question, two additional transcription factors (Click and Clack) were identified in…

Q: The color of the positive result for Iodine Test.*   A. Pinkish B. Orange-Brown C. Blue-Black D.…

A: Iodine test is performed to detect the presence of starch in a solution. When iodine is added to a…

Q: The conversion of citrate to isocitrate is catalyzed by an enzyme classified as a(n): a. Hydrolase…

A: TCA cycle also called as Krebs cycle that involves the oxidation of Acetyl CoA and is the important…

Q: The apical surfaces of hair cells are exposed to an unusual extracellular fluid called endolymph.…

A: Endolymph is an extracellular fluid present in the inner ear. It is also known as Scarpa fluid. This…

Q: You’ve setup an in-vitro experiment to measure molecular motors and have an irreversibly binding ATP…

A: Molecular motors in biological systems are molecular machines that harness energy from diverse…

Q: The active form of vitamin D converted in the human body through sunlight.* Please choose one…

A: Vitamin D is also called as sunshine vitamine as it synthesised in the skin under the presence of…

Q: 4. Identify which of the following amino acid residues can have hydrogen bonding between their side…

A: The structure of the protein is stabilized by the different types of bonds (covalent and…

Q: What is micropropagation? Describe the different in-vitro stages in the micropropagation of any…

A: Plant tissue culture is a technique in plant biotechnology. This technique involves the culturing of…

Q: Read very carefully: Chymotrypsin cleaves peptides C TERMINUS to the aromatic amino acids. Trypsin…

A: Trypsin and chymotrypsin are the proteases that break down protein into individual amino…

Q: The color of the skin, hair, and eyes due to a pigment called: OA. cyctochrome O B. melanin O c.…

A: Different individual has different color of hair/skin/eyes. It all depends on the pigment present in…

Q: An individual is heterozygous for an allele. Allele A has a SNP that results in disruption of an…

A: Assume that the gene under consideration is called Gene1. Gene1 carries a restriction site for…

Q: The Effect of Various Factors on the Rate of an Enzyme Reaction. These experiments will use the…

A: The effect of pH on enzyme (catalase) activity was studied and following results were obtained.…

Q: Muscle does not provide glucose for the brain during times of starvation. Why? You may choose more…

A: When subjected to a prolonged period of starvation, the level of glucose in the blood falls. This…

Q: Calculate the volume of TAE buffer that you will need to prepare a 100ml solution of 1X strength…

A: TAE buffer stands for Tris-acetate-EDTA buffer. It is used in lab to do electrophoresis of nucleic…

Q: can be broken down by amylase.* A. glycogen B. amylopectin C. catalase D. amylase

A: Glycogen is a homopolysaccharide composed of glucose units that are linked through glycosidic…

Q: Sample No. 1 2 3 4 5 Sample No. Sample Identity 1 2 3 A Table 1. Results of the Qualitative Tests of…

A: Copper Acetate test is used to distinguish oil and fatty acid. Copper acetate reagent does not react…

Q: A 17-year-old girl decided to go on a starvation diet. After 1 week of starving herself, what…

A: Glucose is the main substrate for carrying out cellular metabolism in the body, which is derived…

Q: Name the three principal chemical systems and two organ systems for buffering pH. Which is fastest…

A: Buffers are solutions which maintain the PH of a medium by resisting an increase or decrease in the…

Q: Use the table of the codons to answer the following question. Starting with the start codon, what is…

A: The genetic code is a set of three-letter combinations of nucleotides called codons, that represents…

Q: The hydrolysis of ATP has a large negative ΔG'°; nevertheless it is stable in solution due to: a.…

A: ∆G (free energy change) is the difference in free energy between reactants and products. The value…

Q: In the Lysozyme purification, if the specific activity in the elate was 108 units/mg and the…

A: Egg white is generally rich in lysozyme and hence it is used for its purification. Lysozyme provides…

Q: Which of the following enzymes are required for the shown reaction? a. a-ketoglutarate…

A: The last common mechanism for the oxidation of proteins, lipids, and carbohydrates is the citric…

Q: tcyDTDO is a reactive molecule. A. WHy might this cause a problem in terms of side effects? B. What…

A: tcyDTDO as mentioned, is a reactive molecule which cleaves disulfide bonds to unfold the proteins…

Q: It is a model which best explains the enzyme-substrate action O A. lock & key B. molecular OC. VSEPR…

A: Enzymes are biocatalyst that increases the speed of reaction by lowering the activation energy.…

Q: What is the rate-limiting step in the synthesis of acetyl CoA? oxidation regeneration of…

A: The first step in Krebs cycle requires Acetyl CoA and Oxaloacetate to form Citrate. But how is the…

Q: A sample was methylated and then digested, yielding a of 2,3-dimethylglucose and 1,2,3,6-tetramethyl…

A: Glucose is a carbohydrate and it acts as a primary energy source for the cells. Carbohydrates are…

Q: 2. 3. 4. Give an explanation for your results with the distilled water. Which solution was…

A: Osmosis describes the direction in which water will flow when two solutions are separated by a…

Q: A biochemist wants to determine the effect of inhibitor A to enzyme B which catlyzes the conversion…

A: Parameters such as Km and Vmax are used for comparing enzyme activities. If we know the initial rate…

Q: Answer and draw what is given in the question NEATLY

A: The thermophilic bacteria live at high temperatures like hot springs and hot vents. The Arctic Ocean…

Q: How to calculate the Km based on this data?

A: hghfjThe tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main…

Q: 3. Below is a polypeptide with an unknown number of amino acids. (Standard 4) One the diagram below:…

A: A peptide is polymer of amino acids linked by a peptide bond. A peptide bond is formed due to…

Q: what is the N and C terminal amino acid residues of

A: A protein is a sequence of amino acids when we draw the structure of peptide or protein…