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11 Dec 2019

Which one of the following groups can be covalently attached to a protein in a living cell, insert into the hydrophobic interior of a membrane, and localize the protein to that membrane?

1. A C20:4 fatty acid that is ester-linked to a Ser or a Thr on the protein
2. A triglyceride with saturated fatty acid chains
3. A farnesyl group attached to a cysteine residue at the protein's C-terminus
4. A thioester-linked C18:2 fatty acid
5. A phosphatidylcholine

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Related questions

Which one of the following groups can be covalently attached to a protein in a living cell, insert into the hydrophobic interior of a membrane, and localize the protein to that membrane?

A. An ester-linked C20:4 fatty acid

B. A glycosylphosphatidylinositol at the C-terminus of the protein

C. An acyl chain amide linked to the side chain of a lysine in the protein

D. Diphosphatidylglycerol

E. An ester-linked cholesterol molecule

I JUST NEED SIMPLE/BASIC ANSWERS NOT LONG ANSWERS

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Explain the concept of electronegativity and how it contributes to the formation of polar and nonpolar covalent bonds. Tell whether a given atom is electronegative or not, and why you think so. Label partial charges in a polar bond.

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Describe how hydrogen bonding determines many properties of water.

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Explain how water has the ability to ionize into hydroxide ions (OH–) and into hydrogen ions (H+), and how the H+ concentration is expressed as a solution's pH.

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If shown an organic molecule, tell whether it is an amino acid, nucleotide, fatty acid, steroid, monosaccharide or disaccharide and how you know.

Distinguish among different forms of carbohydrate molecules, including monosaccharides, disaccharides, and polysaccharides.

Relate the functions of plant and animal polysaccharides to their structure.

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Discuss how fats function as energy-storage molecules.

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Describe the chemical nature of steroids and give an example of their biological importance.

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Describe the three components of nucleotides.

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Tell how certain bases pair with others in DNA and RNA.

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Outline the differences in complexity among bacteria, animal, and plant cells.

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65. Explain how transmembrane proteins are inserted into the ER membrane.

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List the different categories of animal tissue, providing general functions and specific examples of each.

Name the various organ systems found in many animals, list the components of each, and describe their general functions.

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