Below are structures of several steroid hormones derived from cholesterol. Circle the steroid nucleus in each.

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A: The molar mass of a substance is the mass in atomic mass units (amu) of all atoms in a given molecul...

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A: Cellulose - Polysaccharide made up of the monomer glucose

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Q: Which of these are soluble in water, vitamin C or vitamin K? Explain your answer.

A: Carbohydrates, lipids, and proteins are macronutrients that the body requires in greater quantities ...

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A: Protein dimerization event is a event in which two protein monomer molecules forms a complex (that c...

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A: Inhibitors are the chemical substances that bind to the enzyme and result in a decrease in the catal...

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Q: . Describe the mechanism of action of the denaturing agents used -a. Detergents - b. Strong acid -c....

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: (a) From the information given in the table, calculate the specific activity of the enzyme, total yi...

A: Specific activity of enzymes is defined as the activity of the enzyme per milligram of the total enz...

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A: Triacylglycerides are esters of fatty acids that are hydrolyzed to form glycerol and free fatty acid...

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A: ATP synthase is a mitochondrial enzyme machinery which is located in the inner membrane of mitochond...

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A: Egg white is made up of some several proteins comprising of ovalbumin (54%), ovotransferrin (12%), o...

Q: based your analysis. Case study: Kale has been a smoker for a long time and has a terrible diet. He...

A: Introduction: Vitamin  C is a water-soluble vitamin and it is also referred to as ascorbic acid. Hum...

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A: Two dimensional gel electrophoresis is an electrophoretic technique in which in the first dimension ...

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A: The statement which is not true is:

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A: Enzymes catalyse (speed up) chemical reactions; in certain situations, enzymes may make a chemical r...

Q: 4. For a simple enzyme-catalyzed reaction that follows Michaelis-Menten kinetics with Vmax = 75 µM/s...

A: Hi! Thank you for the question. We are authorized to answer two subparts at a time, since you have n...

Q: Are all the proteins separated properly using SDS-PAGE? Why or why not?

A: Proteins are massive biomolecules and macromolecules made up of one or more long chains of amino aci...

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A: Proteins are composed of the linear chain of amino acid sequences attached via peptide bonds. Protei...

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A: Starch is a polysaccharide that consists of amylose and amylopectin. starch reacts with iodine to gi...

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A: Isozymes are the enzymes with same catalytic activity but differ in efficiency and enzyme forms. Hex...

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A: Trypsin, chymotrypsin, and elastase are examples of serine poteases. Proteases specifically break th...

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A: TBST in the question stand for Tris-Buffer-Saline buffer supplemented with Tween 20. However, in que...

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A: Two-dimensional gel electrophoresis ( 2-D electrophoresis) is a form of gel electrophoresis used to ...

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A: Adenosine triphosphate (ATP) is a hydrotrope and an organic substance that supplies energy for vario...

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A: The Bradford method is a standard method used for determining concentrations of proteins in solution...

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A: Agarose Gel electrophoresis is the  molecular biology technique which helps in separation of gene se...

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A: Plant pathology is the branch of botany primarily deals with scientific study of diseases in plants ...

Q: The B pleated sheet secondary structure can be formed through either intramolecular hydrogen bonding...

A:

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A: In blood, calcium exists in 3 major forms.  More than half of total calcium levels are ionized form....

Q: 1. What trend did you observe for the rate of peroxidase compared to the variable tested?

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A: The dark reactions are a complex series of enzymatically regulated chemical reactions that result in...

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A: Islandicin is an anthraquinone derivative molecule found in lichens and fungus like Penicillium. Thi...

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A: Enzymes are protein molecules that catalyze the biological reactions inside the cell. Enzymes do not...

Q: An enzyme that follows simple Michaelis–Menten kinetics has an initial reaction velocity of 10 µmol⋅...

A: GIVEN VALUES: Initial velocity= 10 μmol.min-1 Substrate concentration is 5 time the value of Km . T...

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A: Introduction - The alpha helix is a common motif in the secondary structure of a protein and is a ri...

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A: ADH: It is a hormone that controls the reabsorption of water molecules in the collecting tubules of ...

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A: In chemical thermodynamics, an exergonic reaction is a chemical reaction in which the change in the ...

Q: 1.Substituents exhibit strong steric repulsion at the GABAA receptor ？what does it means？？ 2. Substi...

A: The labelling is as follows:

Q: 1. How does real-time polymerase chain reaction work? 2. How is SYBR Green used in the experiment? W...

A: A real time polymerase chain reaction is used for amplification of DNA molecules in real time. It is...

Q: aa. Enzyme elastase cleaves polypeptides after O Negatively charged O Large, non-polar O Positively ...

A: In humans, Elastase (EC 3.4.21.36) is a carboxyl-cleaving enzyme generated by the pancreas that cata...