Answered: 9. The function of a protein is…

9. The function of a protein is determined primarily by: 1. Its molecular weight 2. The number of amino acids it contains 3. Its spatial conformation 4. Its affinity for hydrocarbons

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section: Chapter Questions

Problem 9TYU: Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary...

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Concept explainers

Nucleotides

It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).

Nucleic Acids

Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.

Question

9. The function of a protein is determined
primarily by:
1. Its molecular weight
2. The number of amino acids it
contains
3. Its spatial conformation
4. Its affinity for hydrocarbons

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The first and major effect in denaturation of proteins is that: a. peptide bonds break. b. helices unwind. c. sheet structures unfold. d. tertiary structure is changed. e. quaternary structures disassemble.
5. Tertiary structure of proteins. Their classification is relative to a given structure. Forces and chemical interactions that determine the assembly of the tertiary structure of proteins. Thermodynamic stability and correct assembly of the protein tertiary structure.
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1.Describe in detail how to determine the primary structure of protein. 2.You have been given a mixture of lysine, histidine and cysteine.The isoelectric point of the amino acids are as follows; histidine 7.64 lysine:9.74 cysteine:5.02 Show how you will separate the mixture into the pure forms. State and describe any instrument that you will use to separate the components in the mixture.
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1. Describe how each of the following relates to protein configuration: primary structure - secondary structure - tertiary structure - quaternary structure -
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1.Describe in detail how to detect the primary structure of protein. 2.Given a mixture of lysine,histidine and cysteine.The isoelectronic point of the amino acids are as follows: histidine:7.64 lysine:9.74 cysteine:5.02 Show how you will separate the mixture into the pure forms. State and describe any instrument that you will use to separate the components in the mixture.
3. Proteins are important for numerous functions in a cell and their activity/function is dependent on their structure. Each protein folds into its respective structure and ionic bonds between ions in side chains of proteins drives protein folding as shown by the oppositely charged ions in the figure below. 15 H .O H N Protein Draw a picture similar to the one shown above to show what will happen to such interactions when the pH increases. Show how this impacts protein structure. (Hint: Is the hydrogen ion concentration high or low? Note that hydrogen ions can be added or lost into molecules depending on the pH and that the NH3* is affected in this case.) Draw a picture similar to the one shown above to show what will happen to such interactions when the pH decreases. Show how this impacts protein structure. (Hint: Is the hydrogen ion concentration high or low? Note that hydrogen ions can be added or lost into molecules depending on the pH and that the COO is affected in this case.)…
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8. List 4 tertiary interactions that exist in protein molecules and include what type of R groups (side chains) that must be present to undergo that specific interation.