Which of the following are nitrogenous bases with the general structure shown in the picture? a.cytosine b.uracil c.thymine d.adenine e.guanine

Q: Discuss the fluid mosaic model of the lipid bilayer. Include the function of cholesterol in lipid…

A: Lipids are structurally and chemically diverse group of biomolecules that have two common…

Q: Which of the following accessory pigments is the first e- acceptor? A. ferredoxin B. pheophytin…

A: Photosystems are light-harvesting complexes found within chloroplasts. Their primary function is to…

Q: 11. Based on the denaturation curve shown here for two separate proteins, A and B: a. Label the…

A: The 3-dimensional structure of a protein is dependent on the non-covalent interactions such as…

Q: QUESTION: What are the buffer regions/effective pH range?

A: Buffer solution is a solution which pH does not varies on dilution or addition of small amount of…

Q: Identify and match the lettered regions in the titration curve of a basic amino acid. pic 5.jpg…

A: Histidine is an amino acid that has an imidazole ring as the functional group (R group). Thus, the…

Q: Give an overview of the positive impacts of microbial biotechnology on the environment

A: In microbial biotechnology use of microorganisms to obtain an economically valuable product. An…

Q: What is amino acid? And what’s the relation of amino acid to proteins?

A: What is amino acid And what’s the relation of amino acid to proteins

Q: Abosrbance (A 280) You are interested in isolating an enzyme Ribonuclease. Inside cells ribonuclease…

A: Size exclusion chromatography is technique of separation of molecules based on their size. In some…

Q: What effect does acid and alkaline have on the pigment and cooking time of carrot and beetroot?

A: Pigments are chemicals that reflect only a certain wavelength of light. This makes them appear…

Q: Why is it more important for DNA to be replicated accurately than transcribed accurately?

A: DNA is the genetic material in almost all the organisms in earth. RNA is formed from DNA , that…

Q: What are the functional characteristics and structural arrangements of the biomolecules found inside…

A: A cell is a basic unit of life. It is capable of independent existence(single cell microorganisms)…

Q: The phenol concentration of wastewater was determined from three (3) parallel determinations, giving…

A: As per the given experimental data; Mean of phenol concentration of wastewater: 0.513 μg L-1…

Q: 1) What are the names of the sites of the enzymes labelled with A and B? (15%) 2) Mutation of Ser195…

A: Chymotrypsin is a serine protease. It catalyses the hydrolytic cleavage of the peptide bond next to…

Q: Which of the following is/are true about the Cellular Membrane Structure: A. All membranes from…

A: The cell membrane, also known as the plasma membrane or cytoplasmic membrane, is a biological…

Q: Which of the following is incorrect about the citric acid cycle? O a. It is activated by ADP O b. It…

A: Under aerobic conditions, the pyruvate molecules that are synthesized as the end product of…

Q: Which of the following has the most available energy to extract?

A: Fatty acids are transported into the cell. The enzyme fatty acyl-CoA synthase(FACS) adds a CoA group…

Q: Without checking the accuracy of a given Pipetman, would you pre- dict that it is better to use a…

A: Micropipette are the tools used for measuring, transfering a very fine volume in the range of…

Q: Determine the type of biochemical reaction that occurs in the reaction shown below. O redox…

A: In the given question, a cyclic pyranose structure is given. It is a pyranose because it has 6…

Q: Based on our pka's table, pKa1 of -COOH group of Cys = 1.71 pKa2 of -NH2 group of Cys = 10.78…

A: pKa is defined as the number which indicates the acidity of the particular molecule. It shows the…

Q: Metabolic cycles are rather common (Citric acid cycle, Urea cycle, Calvin cycle). wny are cycles so…

A: Metabolic cycles are step-by-step series of interconnected biochemical reactions. In such a…

Q: Sort the following metabolic enzymes according to those involved only in glycolysis and those…

A: Glycolysis is a process in which glucose is oxidized & is converted to pyruvate and in that…

Q: 7. The chemical you are testing has a concentration of H* as 10³ M (must watch the video). A) What…

A: pH is a measure of the concentration of hydrogen ions in a given solution. Higher the concentration…

Q: The following are essential amino acids, except; Isoleucine Tryptophan…

A: Proteins are made up of amino acids and each amino acid has different functional group (R- group).…

Q: The tertiary structure of a protein is maintained by interactions between the side chains of amino…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml) 0 1 2 3 4…

A: Even when the concentration of BSA (Bovine Serum Albumin) is 0 , an absorbance of 0.225 was…

Q: 1. Classify the 20 common amino acids A. According to type of side chain, R group a. Neutral amino…

A: Each amino acid has a N-terminal (-NH2 group), a C-terminal (-COOH group) & a R-group or the…

Q: What side group reacts with this reducing agent? What does the fact that these peptides both react…

A: There are four levels of protein structure hierarchy: Primary structure, Secondary structure,…

Q: 1. From the constituents of the assay, identify "enzyme X" and write out the reaction it catalyses,…

A: Glucose dehydrogenase (GDH) is  oxidoreductases enzyme  which catalyzes the conversion of glucose to…

Q: Identify the amino acids contained in the tripeptide below:

A: Amino acids are organic molecules that act as the building blocks of proteins. A functional protein…

Q: You obtained the following raw data when setting up a Bradford standard curve: BSA (mg/ml) 595nm…

A: Bradford assay is a quantitative method to determine the total protein concentration in any sample…

Q: Trace the pathway of [14C]bicarbonate through gluconeogenesis. Use an asterisk to indicate the…

A: Gluconeogenesis: this is essentially the opposite of glycolysis where pyruvate is converted back…

Q: In an alpha helix, U the peptide chain is fully extended there are hydrogen bonds parallel to the…

A: Amino acids are the building blocks of proteins . They are joined by Peptide bond to form a linear…

Q: How biotechnology evolved from ancient biotechnology, classical biotechnology, and modern…

A: Introduction:  Biotechnology is technology that utilizes biological systems, living organisms or…

Q: What structural differences exist between oligosaccharides and polysaccharides?

A: Class of naturally occurring substances and derivatives created from them are known as…

Q: Structurally, lipids are a very diverse group but they are all placed in one group because of what?…

A: Lipids are an important biomolecules and plays ab important in the metabolic activities of our…

Q: Literature on the type of inhibition exerted by AZT on the HIV reverse transcriptase enzyme.

A: Reverse transcription is an essential step in retroviral replication. The the viral RNA genome of…

Q: Which of the following correctly describes a difference between RNA & DNA polymerases? RNA…

A: Transcription is the biological process of copying a segment of DNA into RNA, for example mRNA that…

Q: 1. What is Amino Acid and its relation to proteins? 2. What is the importance of using multiple…

A: Since there are two questions asked, we will solve them both.

Q: Determine the original polypeptide sequence that would give the following results. Amino acids…

A: Peptides are polymers of amino acids linked via a covalent peptide bond. The peptide bond formation…

Q: Which of the following are elongation factors involved in the release of free tRNAs? a.EF-G…

A: The above mentioned elongation factors are involved in the process of translation in prokaryotes.…

Q: Through a short essay (min: 100 words), describe the importance of having adequate knowledge of…

A: Biochemistry is a branch of biology that deals with the chemical reaction occurring in an organism.…

Q: Does the addition of a histidine tag affect DNA polymerase activity and or processivity? Give a…

A: DNA polymerase is an important enzyme of dna replication and can add nucleotide triphosphates to 3’…

Q: where did we get the nM from?

A: According to Beer's-Lambert law states that the absorbance of the solution is directly proportional…

Q: Following the production of membrane extracts using the non-ionic detergent Triton X-100, you…

A: The methods for cell disruption are host-dependent, and the techniques for recovering membrane…

Q: What is the relative inhibition of the kinase if the substrate concentration equals Ks And the…

A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation…

Q: Which of the following statements is/are TRUE for DNA Replication? Two daughter DNAs are formed,…

A: DNA replication is a process by which 2 copies of DNA are produced from a DNA double helix using…

Q: 1a) Biliverdin is a pigment produced by tree frogs that causes them to look green - its structure in…

A: Charge of a molecule can be determined with the help of pKa of ionizable groups and PH of the…

Q: why the human dna is considered as a fibonacci sequence?

A: A Fibonacci Sequence is where each number is the sum of two preceding numbers, like…