What is DNA? Provide a 5-sentence long description only.
Q: In the alpha-helices, which of the following statement is NOT true? a. Backbone carbonyl…
A: Proteins are composed of amino acids that are attached together via peptide bonds. The linear chain…
Q: What is the physical or structural difference between heterochromatin (also called "heterochromatic…
A: The term "chromatin" describes the DNA and protein combination that makes up the chromosomes present…
Q: How can chirality and stereoisomers influence the pharmacology, bioactivity, toxicology,…
A: Ibuprofen is a Non-Steroidal Anti-Inflammatory Drug (NSAID). Ibuprofen does this function by…
Q: Which is the strongest non-covalent interaction that occurs between triglycerides: hydrogen bonds,…
A: - A non-covalent bond is one in which there is no sharing of electron pairs. It mainly occurs…
Q: QUESTION: For each enzyme identify the transition-state inhibitor analog by drawing a circle around…
A: Whenever a reaction takes place there are reactants and they form products but in between, during…
Q: If there is ample oxygen available, how many ATP can be produced from complete oxidation of glucose…
A: The aerobic breakdown of nutrients into carbon dioxide, water, and energy occurs during aerobic…
Q: II. Questions 1. What is the positive result to the following tests? a. Ninhydrin Test: b. Biuret's…
A: Ninhydrin test : The ninhydrin test is a chemical test which is used to check whether a given…
Q: What charged groups are present in leucine at a pH = 7? OA) 1× NH3¹ B) 1 x COO OC) 1× NH3¹ and 1 ×…
A: Amino acids have a central carbon atom known as α-carbon atom. Each amino acid has an amino group,…
Q: Which of the following belong to the omega-6 fatty acid family? O CH3 - (CH2z - CH = CH - (CH2) -…
A: Fatty acids are carboxylic acids with a hydrocarbon chain ranging from 4 carbon to 36 carbons. If…
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: Which of the following statements concerning enzymes is TRUE? a. Enzymes can increase the…
A: Enzymes are biological catalysts that enhance the rate of biochemical reactions. The enzymes are…
Q: What does bleach do to hair
A: Melanin, the pigment that also affects the colour of your skin, also determines the colour of your…
Q: 7. What conclusion can you make about the effect of pH on the enzyme activities? Which part of the…
A: Enzymes are usually protein molecules which work as a catalyst and increases the rate of reaction by…
Q: Biochemical events in the synthesis of ATP: I. Subunits of ATP synthase chages in conformation and…
A: ATP synthase is a complex enzyme consists of an F0 and F1 components. It uses the proton motive…
Q: True statements regarding the TCA cycle EXCEPT Its metabolic product is ATP. It produces…
A: Citric acid cycle also known as kreb cycle or tricarboxylic acid cycle (TCA). This cycle occurs in…
Q: What is the principle involved in mucic acid test?
A: Carbohydrates are polyhydroxy aldehydes or ketones. They can be classified into monosaccharides,…
Q: The active site of chymotrypsin indicates that the following residues are needed: a. Asp and…
A: Chymotrypsin is a digestive enzyme that helps to digest proteins in our food. Chymotrypsin cleaves…
Q: When a protein is folded in aqueous solution, some residues are driven inside to form a “hydrophobic…
A: Introduction Proteins are the most abundant macromolecule present in our body. Proteins performs…
Q: ONE of the two amino acids that has a side chain including the modified carboxyl group, carboxamide,…
A: Amino acids are the building blocks of proteins. Amino acids are classified into polar and non polar…
Q: The β-Sheet is formed mainly by a. hydrophobic interaction b. hydrogen bonding between the…
A: Alpha-helix and beta-sheets are types of secondary structures that are mainly found in protein…
Q: Which of the different carbohydrate tests would give a positive result for maltose? Describe the…
A: Maltose is a disaccharide composed of 2 D-glucose molecules. The bonding pattern is α-1,4 . Hence…
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: 5-45 A sample of an unknown peptide was divided into two aliquots, acid. One aliquot was treated…
A: Edman degradation method is used for the sequencing of polypeptide chains. For larger proteins the…
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: H K Br Br H trans-2,3-dibromo-2-butene cis-1,2-dibromoethene Otrans-1,2-dibromoethene…
A: The structure given the question represents- Answer- trans - 1,2- dibromoethene
Q: In glycatysis, conversion of a molecule, of glucose, into 2 Molecules of Pyryvate, results in a net…
A: Glycolysis is the process of conversion of one molecule of glucose to two molecules of pyruvate. A…
Q: Lipids Function in Cell Signaling Q5.2: The lipids 7-dehydrocholesterol and arachidonate are…
A: Cell signalling is the process in which the cell responds to certain molecules called signalling…
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: Show the Hydrolysis of a dipeptide containing the amino acids threonine and methionine.
A: Amino acids are joined together in a linear manner by peptide linkage, known as the primary…
Q: The pKa of the Histidine side chain is 6.0. When Histidine is dissolved in a buffer with pH 5.0, the…
A: A molecule's level of acidity is indicated by the pKa value. A proton's grip on a Bronsted acid is…
Q: What is binding energy? What do negative and less negative energies represent? How does this relate…
A: Binding energy is the amount of energy required to separate a system into its constituents. If we…
Q: The condensation reaction catalyzed by ß-ketoacyl-ACP synthase synthesizes a four-carbon unit by…
A: Malonyl CoA is formed from carboxylation of Acetyl CoA through an ATP consuming process by biotin…
Q: 1. What is the superhelical density (o) of a closed-circular DNA with a length of 4,200 bp and a…
A: Supercoiling is the coiling of a coil. Now, whether the coil coils in a left-handed direction or…
Q: Although initiation requires the sigma factor or sigma subunit be associated with the core RNA…
A: Transcription is a process by which RNA is synthesized using DNA as template. Transcription occurs…
Q: Create your OWN diagram to show the lock-and-key theory of enzyme activity.
A: There are two theories describing enzyme activity. They are: 1) Lock and Key Theory and 2) Induced…
Q: L 3
A: Since you have asked multiple questions, we will ask only first question for you. In order to get…
Q: Write the products of the oxidation and reduction of D-mannose. HO HO H H O || C-H H I -H -ОН -ОН…
A:
Q: a. Provide names for both metabolites. b. What kind of reaction occurs here? c. What enzyme…
A: Biochemical reactions are catalyzed by enzymes in which bio-metabolites are transformed into another…
Q: The production of amino acids from proteins is an example of: a. a non-enzymatic reaction b.…
A: Proteins are large molecular weight polymers of amino acids with diverse biological functions. Many…
Q: Which of the following is not a suitable starting compound for gluconeogenesis? A. Lactate B.…
A: DISCLAIMER FOR MULTIPLE Since you have asked multiple question, we will solve the first question…
Q: 9. Four molecules of ATP are necessary to convert one OAA to PEP. T F
A: OAA is converted to PEP during gluconeogenesis. Enzyme PEP carboxylase catalyzes this reaction.…
Q: Identify the type of chemical reaction. 1 R R 2 Fat / Oil C01695 -R 3 NaOH/H₂O heat Lye Linoleic…
A: Triglycerides are fatty acid esters of glycerols. Fatty acids are carboxylic acids with a long…
Q: In the peptide, SWEETLY, bond via its side chain. (Give the full name of the amino acids) can still…
A: Recall that: for a given peptide amino acid sequences are written with N-terminal amino acid on the…
Q: 10. CH OH HO -0-3 OH C I II. Cд H_Os 12. С 8 Hile O_ 13. СА Н 14. C Hio Os 15. C_H_D- 16. C_H 1 20 -…
A: Carbohydrates are polyhydroxy organic compounds with a general formula of (CH2O)x. Carbohydrates can…
Q: 1. State if true or false a. GLUT5 transporter carries fructose from the intestinal lumen into the…
A: GLUT5 Transporter : GLUT5 is a fructose transporter found & expressed on the apical border of…
Q: What do x-helices and B-sheets have in common?
A: Alpha helix and beta sheets are two types of secondary structure present in the protein structure.…
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: 12. The graph shows values of arterial plasma bicarbonate concentration and pH for different persons…
A: Metabolic alkalosis is caused by acid base imbalance in the blood. It is characterised by increase…
Q: Identify the major and minor grooves in the DNA molecule PDB ID 141D. In addition, one end of a…
A: DNA is two strands of polynucleotide linked to each other in an antiparallel direction by hydrogen…
Q: Using an arrow, draw the site of cleavage for the following peptides that are reacted by: Pepsin…
A: Amino acids are building blocks of peptides and polypeptide chain. Peptides are consist of 2-50…
- What is DNA? Provide a 5-sentence long description only.
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