The zinc ion in zinc fingers is coordinated through histidine and cysteine residues.

Q: II. Give the test that will distinguish the ff. sugars. Indicate which sugar it is positive and what...

A: Carbohydrates or carbs are maconutrient consisting of Carbon, hydrogen and oxygen atoms. In nature t...

Q: Why Sexual is the most important type of variation in human?

A: Sexual variation causes genetic diversity in humans . Genetic diversity is important because it give...

Q: Which of the following structural features are involved in the formation of a peptide bond? amino gr...

A: A polypeptide chain is a polymer of naturally occurring amino acids that are linked together by a pe...

Q: Select all of the statements that are true about a buffer solution. A buffer solution resists small ...

A: A buffer is composed of a weak acid and its conjugate base. It means a buffer has acid and its conju...

Q: Analysis of a peptide antibiotic purified from a strain of Bacillus brevii resulted in the following...

A: Average mol weight of one amino acid is 110D. The peptide is of 1200D. This means that the peptide c...

Q: 1. Amino acids are not stored in the body. Describe how excess amino acids are processed in the cell...

A: Amino Acids are organic compounds that combine to form proteins, which is why they are called protei...

Q: hospital, his physician told him that his infarction is the result of a long history of smoking. Exp...

A: Cholesterol is an important steroid required for many steroid synthesis like testosterone. It is pre...

Q: 2. Imagine that you have given blood, but a sample of your red blood cells is accidentally stored in...

A: BLOOD : Blood is a circulating fluid which contains numerous cells , oxygen and suspended  in plasma...

Q: What are all organic compounds made of?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: what are miscellaneous lipids?

A: Lipids get classified as - Simple lipid Compound lipid Derived lipid Miscellaneous lipid  

Q: What is the net average charge on the predominant form of lysine at pH values of (a) 2.0, (b) 5.0 an...

A: The pKa values of amino acid side chains play an important role in determining the net charge on the...

Q: Provide differences between solution-phase peptide synthesis and solid phase synthesis in terms of: ...

A: Now a days small peptide is synthesized and tested its drug property to treat a complex disease or d...

Q: Unique features and function of all 20 major amino acids

A: Amino acids form a larger component of the body in the form of proteins. They are generally divided ...

Q: Summarize the major amino acids and their characteristics.

A: Amino acids are organic molecules that combine together to form proteins. Thus, amino acids are refe...

Q: What factors affect denaturation and refolding of proteins

A: Denaturation(unfolding) is the process in which protein loss the three dimensional structure by brea...

Q: Heteropolysaccharide structures are defined by:   Question 23 options:   Two or more different mon...

A: Carbohydrates are made up of carbon, hydrogen, and oxygen in the ratio of 1:2:1. The carbohydrates w...

Q: Three polypeptides, the sequences of which are represented using the one-letter code for their amino...

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

Q: Make a graphical representation of activation energy and change of free energy in a reaction and com...

A: Enzymes are the substances that catalyse reactions by increasing the rate of reaction. They are usua...

Q: „CO2 *H3N CO2 „CO, aminotransferase PLP `Ph Ph a Ammonia b L-Valine L-Lysine d L-Alanine

A: Transamination is the process of the transfer of an amino group from one amino acid to a keto acid. ...

Q: Which of the following is referred to as enzyme without its required cofactor? O Coenzyme O Apoenzym...

A: Enzymes are biomolecule (mostly protein, Ribozyme is a non-protein i.e. RNA functioning as enzyme) w...

Q: What is the best interpretation for the results below? Test/s Results Ninhydrin Fohl's Test Biuret T...

A: Proteins are composed of twenty standard amino acids attached together via peptide bonds. These twen...

Q: What is measured at the A260 absorbance values?

A: DNA and RNA absorbs UV light due to heterocyclic rings of the nucleotides that is present in the nuc...

Q: From natural to synthetic ingredients in perfumery Explain and give example

A: When we smell perfume, we recognise certain fragrances. Scents of flowers, fruits, some foods, leath...

Q: Search for a structure of one common drug that is available locally. Draw the structure of the drug...

A: Xenobiotics are chemicals which enter into the body. Xenobiotics are eliminated from the body throug...

Q: Do you feel that laboratory animals should be used in experiments in toxicology? Why or why not?

A: People and our quality of life benefit from research using laboratory animals. Most people on the ea...

Q: Enzymes that catalyze DNA denaturation or melting are:   gyrases   topoisomerases   helicases   ...

A: DNA is a genetic material that is a double stranded structure polymer of nucleotides. DNA replicatio...

Q: Which of the following enzymes ensures that the correct base of a deoxynucleotide for growing the ch...

A: DNA replication is the process of duplicating a DNA molecule. Every time a cell divides, it must fir...

Q: Modified true or false. Write the correct answer if the underlined word is false. 1. In ion-exchang...

A: Chromatography is the process of separating a mixture of chemicals into its constituent parts based ...

Q: Tests Principle behind functional group that will give evidence of a References the test a positive ...

A: Generally carbohydrates are defined as polyhydroxy aldehydes or ketones . carbohydrates  also are ca...

Q: Write into the given fields the nomenclature name of the given tripeptide and its sequence using one...

A: Each of the 20 naturally occurring amino acids can be denoted by a three letter code or a single let...

Q: List the ketone bodies. Where are they synthesized and where are they used?

A: Ketone bodies have a distinct odour that can be detected in the breath of people in ketosis or ketoa...

Q: Give the systematic names and the first three digits in the E.C. classifications of the enzymes cata...

A: Enzymes are biocatalyst. They increase the speed of reaction by lowering the activation energy. A fo...

Q: Which of the following about suicide substrates is incorrect? O They form a covalent bond with the a...

A: Suicide substrate are substrate molecule which remain inert until it binds to enzymes active site. O...

Q: Summarize the early evidence indicating that some genes specify the structure of proteins.

A: Proteins have amazing chemical capabilities because the chemical groups on their surfaces frequently...

Q: Given the chromatogram below in a normal phase, which samples would be the least polar? • Samples B ...

A: Chromatography is a technique, used to separate related compounds from a mixture. It is used for the...

Q: . The allele B gives mice a black coat, and b gives a brownone. The genotype e/e of another, indepen...

A: When genes are on different chromosomes or are separated by a large distance on the same chromosome,...

Q: rollowing -passed; 1.e., odui ucing nto the electron transport chain without using this complex are ...

A: ETC or electron transport chain is the process which leads to ATP synthesis. The ETC occurs in the i...

Q: When the enzyme is incubated with oxaloacetate, will oxaloacetate be observed?

A:  Many amino acid biosynthetic pathways involve transamination reactions. The α-amino group from one ...

Q: Modified true or false. Write the correct answer if the underlined word is false. 1. The zinc ion i...

A: A zinc finger is a tiny protein structural motif defined by the coordination of one or more zinc ion...

Q: (a) Propose a biosynthetic pathway to the secondary metabolite, B. OH H. HO Metabolite B

A: Secondary metabolites (SMs) are natural compounds that are primarily produced by bacteria, fungus, a...

Q: Which of the following statements regarding competitive enzyme inhibition is correct? O The substrat...

A: Enzyme inhibitors are the substances that bind to enzyme either at active site or allosteric site an...

Q: Ribosomal RNAs (rRNAs) are another example of a functional RNA molecule. Based on Figure 9-11, what ...

A: Molecules of rRNA are synthesised in the nucleolus, a specialised part of the cell nucleus that appe...

Q: Which of the following is the odd one out? NADP FMN NAD

A: Introduction: A coenzyme is a cofactor that consists of small organic molecules, many of which are d...

Q: Which of the following is the first step in folding a linear polypeptide into an ordered functional ...

A: Proteins are the chains of amino acids connected by the amide linkage called "peptide linkage". Prot...

Q: Explain energy has bias in Biochemistry

A:  Bioenergetics is the quantitative study of the energy transductions that occur in living cells and ...

Q: Which of the following amino acid-classification pair is incorrect? O Lysine-basic amino acid O Phen...

A: Amino acids are building blocks of protein. All Amino acids consist of - COOH ( carboxyl group ) and...

Q: Why is there such a large range of ∆G for the second step of glycolysis?

A: Glycolysis is the sequence of reactions that are used to break down glucose into two three-carbon co...

Q: All coenzymes are cofactors. However, not all cofactors are coenzymes. O Both statements are incorre...

A: Enzymes require cofactors for their activity. It means in the absence of its specific cofactor an en...

Q: What would be the pH level for an enzyme, that prefers acidic conditions.

A: The acidity or basicity of water is determined by its pH. The scale runs from 0 to 14, with 7 denoti...

Q: (a) Vanillic acid is a phenolic compound found in vanilla and many other plant extracts. It is a fla...

A: According to shikimate pathway, Phenylalanine goes through biosynthesis wherein p-coumaroyl coenzym ...