Describe the formation and uses of polyesters and polyamides.

Q: Why is apoptosis preferable to necrosis?

A: Necrosis is a form of cell injury which results in the premature death of cells in living tissue by ...

Q: 4. Of the following amino acids, which is least likely to form strong interactions with other amino ...

A: The simplest form of protein structure is known as the primary structure. It is simply the sequence ...

Q: Identify the letter/s that is True

A: Protein is composed of small monomers of amino acids, which together form a long chain of polypeptid...

Q: how many moles of oxygen could be transported by the hemoglobin complex formed from 8 mg of dietary ...

A: Hemoglobin (Hb) is the protein molecule, which consists of the complex which exhibits the Fe element...

Q: Indicate whether the following familiar objects are chiral or nonchiral: (a) a glove; (b) a tennis b...

A: Introduction: A chiral atom is a sort of particle that has a non-identical representation.

Q: Explain the protein structures and the interactions that form the three-dimensional structure in pro...

A: The tertiary structure is called the 3-dimensional structure.

Q: Predict the sequence of amino acids coded by the mRNA sequence 5’ GGA–GGC–ACA–UGG–GAA 3’

A: The single strand of the RNA molecule, which consists of a gene sequence and carries the message dur...

Q: Arsenic is a water soluble element that is a poison because it functions as an allosteric inhibitor ...

A: For decades, arsenic toxicity to humans has been established, but human arsenic toxicology appears t...

Q: Which of the functional groups listed in shown Table can function as hydrogen bond donors? As hydrog...

A: Atoms can neither be created nor be destroyed. Specific groupings of atoms within molecules which sh...

Q: What are cooperativity, coenzyme and isoelectric point? Briefly explain.

A:    Enzyme is basically biocatalyst that increase the rate of chemical reaction without itself being ...

Q: What are the three fates of the pyruvate and list which one is aerobic or anaerobic

A: Glucose is converted into pyruvate through the process of glycolysis. Since pyruvate is the major pr...

Q: The amino acid arginine ionizes according to the following scheme: (a) Calculate the isoelectric poi...

A: Amino acids are organic compounds that combine to form proteins.

Q: The sarcoplasmic reticulum Ca2+-ATPase, pumps 2 mol Ca2+ out of sarcomeres per mol ATP hydrolyzed.(a...

A: The movement of ions or any molecule up or down any concentration gradient develops a change in the ...

Q: Question 4 About endonucleases: A Restriction endonucleases always cut double-stranded DNA and are e...

A: Nuclease is the nucleic acid digesting enzyme. Nuclease is of two types 1. exonuclease 2.endonucleas...

Q: |A Are plasma membranes; B Are impermeable; |C Are, such as micelles, lipid bilayers; Are lipid bila...

A: Cell It is defined as the simplest, smallest, and essential unit of life. All the life processes ar...

Q: Illustrate the conversion of arachidonic acid to prostaglandins, thromboxanes, prostacyclins, and le...

A: Eicosanoids, a family of substances produced from polyunsaturated fatty acid arachidonic acid, which...

Q: Write the coupled reaction that would occur spontaneously for the following pairs of molecules under...

A: Citric acid cycle or Krebs Cycle is the cyclic metabolic pathway for the oxidation of various inte...

Q: How many pairs of chromosomes do cattle and horses have?

A: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each ch...

Q: In the Cori cycle, the lactate product of glycolysis in muscle is transformedback into glucose by th...

A: Cori cycle is a metabolic pathway in which lactate is converted in glucose by the process of glucone...

Q: Indicate whether each of the following is a component of (1) a cerebroside but not a ganglioside, (2...

A: Cerebroside and ganglioside both are sphingolipids which are integral part of the plasma membrane. B...

Q: What is the predominant form of the following amino acids at pH= 11? What is the overall charge on t...

A: Glutamic (Glu) acid is the acidic amino acid, which is charged amino acid and is present in the oute...

Q: How many different proteins, each with a unique amino acid sequence, can be constructed that have a ...

A: Proteins are made up of amino acids. Proteins are necessary for carrying out daily functions. There ...

Q: Water 1H2O2 is more polar than hydrogen sulfide 1H2S2. Explain.

A: Polarity is the separation of electric charge leading to a molecule or its chemical groups having an...

Q: The antibiotic valinomycin is an ionophore that forms a specific complex with potassium ion. Because...

A: Valinomycin is a powerful antibiotic as it facilitates the rapid movement of K+ ions across the cell...

Q: Where would the following substances partition in water containing palmitic acid micelles? (a) H3C—(...

A: Palmitic acid is a saturated long-chain fatty acid with a 16-carbon backbone. It is found naturally ...

Q: Time mapping is performed in a cross involving the genes his,leu, mal, and xyl. The recipient cells ...

A: Conjugation occurs between two dimorphic bacteria where one is a donor and the other is a recipient....