The five-digit code for all members of the family Enterobacteriaceae starts with the number 2 or 3. What does this indicate about their common biochemistry?

Q: Why is it advantageous for the E.coli to stop production of lactose digesting enzymes when lactose…

A: An operon contains a group of genes that are regulated by a single promoter. These genes are…

Q: What function of liver involves the conjugation of bilirubin?

A: Bilirubin is a yellow bile pigment produced through the breakdown of red blood cells, which is known…

Q: name the enzyme contained by saliva.

A: Certain organs and glands of the digestive system secrete digestive enzymes. These enzymes perform…

Q: Why are features such as high rates of oxygen metabolism, capsules, and leghemoglobin associated…

A:

Q: How does the action of penicillin differ from that of lysozyme?

A: Penicillin is a secondary metabolite produced by certain bacteria which is used as an antibiotic. A…

Q: Why fructose must not be used frequenly by the humans?

A: Fruit sugar, often known as fructose, is a ketonic simple sugar present in many plants, where it is…

Q: Which carbohydrate is fermented by all coliforms? ______________________________ Which bacterial…

A: Coliforms :-  Coliform bacteria are microscopic organisms that live in the intestines of…

Q: How does placing the solution in a boiling bath terminate the hydrolysis reaction mediated by…

A: The protein enzyme α-amylase is a key player in the hydrolysis reaction of starch molecules.

Q: What type of molecule is CoA? What molecule does it get added to during respiration? What is its…

A: Answer:  RESPIRATION = This is a biological , metabolic processs occur in cells where free energy is…

Q: What metabolic process creates the rotten-egg smell characteristic of many anaerobic environments?

A: Hydrogen sulfide gas has the chemical formula H2S and possesses a characteristic rotten eggs smell.…

Q: How is the specified substrate determined?

A: An enzyme is a biological substance that acts as a catalyst in living organisms, regulating the rate…

Q: The citrulline isolated from watermelons has the structure shown below. Is it a D- or L-amino acid?…

A: The building blocks of protein namely the amino acids contain an amino group, carboxyl group, and an…

Q: What common substance inactivates nitrogenase enzyme by binding to its active site?

A: Microbial cells carry out the fixation of atmospheric nitrogen and convert it into ammonia. The…

Q: Acetyl-CoA is directly made from which organic molecule?

A: Acetyl-CoA (Coenzyme A) is a 2-carbon organic compound that enters unto citric acid cycle in the…

Q: In casein hydrolysis what role do exoenzymes play in the nutrition of microorganisims?

A: Hydrolysis is the process in which water molecule used to breakdown a molecule into two parts. In…

Q: What coenzyme transfers an acyl group from one substrate to another?

A: The coenzymes are cofactors that are synthesized inside the body due to the intake of pantothenic…

Q: What is the coenzyme of Phosphofructokinase-1

A: Coenzyme is a non-protein compound that binds to the enzyme tightly or loosely which involves…

Q: Why does the body convert NH4 + to urea for excretion?

A: Ammonia is waste product made by the body during the digestion of protein.

Q: СНО CH2OH H-Ć-OH H-C-OH H- HO- C=0 H-C-OH H- -HO- HO-C-H H-Ć-OH CH2OH ČH;OH CH,OH

A: Monosaccharides represent the basic form of carbohydrate and it consists of a linear unbranched…

Q: What are the advantages of the fed-batch fermentation over the batch fermentation in production of…

A: The growth of microorganisms is a highly complex, ultimately expressed by increase in cell number or…

Q: What is the significance of the conformational change that occurs to the hexose in lysozyme? (No…

A: Lysozyme It is an enzyme which is found in tears, saliva, and milk. This enzyme has antibacterial…

Q: All the following amino acids are converted to succinyl-CoA except   Group of answer choices Lysine…

A: There are two types of amino acids ,glucogenic amino acids and ketogenic amino acids while…

Q: In the biotechnology industry, lysine is produced by fermentation using which of the following?…

A: Lysine is a alpha amino type of amino acid which is precursor for many proteins. It contain alpha…

Q: Why are proteoglycans like airbags?

A: Proteoglycans are compound consisting of a protein, which is bonded to mucopolysaccharide groups.…

Q: Bacteroides is the predominant genus of bacteria found in the human gut microbiota. As anaerobic…

A: Option C  A toxin that inhibits the function of an enzyme during glycolysis.

Q: What type of substrates are fermented by saccharolyticclostridia? By proteolytic clostridia?

A: The clostridia are able to ferment a wide range of substrates to form organic acids as well as…

Q: What similarity do common pharmacore have in their structure?

A: It is an abstract description of molecular features that are necessary for molecular recognition of…

Q: What is a zymogen (proenzyme)? Explain briefly with an example

A: Enzymes exist in both active and inactive state in body. Some of the enzymes that are present in…

Q: O tryptophan metabolites

A:

Q: Give the name for this molecule: CH3. CHCH,-C-O-H CH3 II

A: Propyl acetate is an organic compound used as a solvent in coatings and printing inks. This product…

Q: Why is maltose reduced to Benedict's solution and fermented by yeast?

A: Benedict's test: the presence of reducing sugar that can be disaccharides and monosaccharides in…

Q: The main reason why ruminants like cows can metabolize grass is the presence of bacteria that…

A:

Q: Draw the amino acid–Schiff base that forms in the breakdown of 3-hydroxykynurenine to yield…

A: In enzymology, Kynurenine-3-monooxygenase also known as Kynurenine hydroxylase is an enzyme that…

Q: Why is lactose not fermented by yeast?

A: Lactose is a sugar that is found predominantly in milk. It makes up approximately 2-8% of milk by…

Q: What do the proteoglycan and collagen components ofcartilage contribute to this tissue?

A: Cartilages are the flexible yet tough connective tissue of the body that is found in almost all…

Q: s the hydrogen at the junction of rings A and B axial or equatorial to ring A? Is it axial or…

A: In chemistry, the bonds to atoms which are not part of a ring structure can be of two types. These…

Q: List 10 essential amino acids in humans. Why are theyessential?

A: Amino acids are classified based on the need in living organisms into three types and they are…

Q: : What is maple syrup urine disease? which enzyme is defective in this disease?

A: Maple syrup urine disease is a genetic disorder which occurs due to deficiency of enzyme complex .

Q: What are the sources of aminoglycosides, tetracyclines,macrolides, daptomycin, and platensimycin?

A: The medicines that are provided to stop or prevent infections are the class of antibiotics. The…

Q: gallstones/cholelithiasis

A: Introduction:- Gallstone disease (GD) is the most frequented disorders in gastroenterology and…

Q: If you discover new bacteria from the sands of Culebra's beaches that have the ability to degrade…

A: Although biochemical techniques have only identified a small number of plastid proteases,…

Q: In the Mannitol Salt Agar, why is there no observed growth of Escherichia coli?

A: In microbiology, mannitol salt agar is a typical growth media. It promotes the development of one…

Q: Name the Aliphatic amino acids. Explain any one of them.

A: Amino acids are classified into various types:-  Aliphatic amino acids Aromatic amino acids Basic…

Q: What is the coenzyme formed with the precursor shown below? What is the main function of this…

A: Introduction: A material that boosts the activity of an enzyme  is called coenzyme.Coenzymes are…

Q: Define the term  pyranose

A: Haworth projection is the simple structural projection used to depict the monomeric units of…

Q: what is the enzyme present in squash soup food product?

A: Butternut squash is rich in important vitamins, minerals, and disease-fighting antioxidants. This…

Q: What are some similarities and differences in characteristics between coliforms and fecal coliforms?…

A: Similarities:- - both coliforms and fecal coliforms are indicators of water contamination and used…

Q: Name the enzyme whose substrate is(a) Urea (b) Cellulose

A: Introduction: Enzymes are proteins that catalyze the reaction. Their main function is to accelerate…