A viral protein has a 20 amino acid amino acid chain consisting of the following primary structure: A-G-L-F-A-F-P-P-W-G-G-V-C-M-G-L-G-A-M-C In what places could these amino acids be found? a) Inside the hydrophobic core of a protein b) In a membrane that encloses the virus c) On the outside of a protein d) In a virus nail on the surface of the virus
Structure and Composition of Cell Membrane
Despite differences in structure and function, all living cells in multicellular organisms are surrounded by a cell membrane. Just like the outer layer of the skin separates the body from its environment similarly, the cell membrane, also known as 'plasma membrane,' separates the inner content from its exterior environment.
Cell Membrane
The cell membrane is known by different names like plasma membrane or cytoplasmic membrane, or biological membrane. The term "cell membrane" was first introduced by C. Nageli and C. Cramer in the year 1855. Later on, in 1931, the term "plasmalemma" for cell membrane was given by J. Plowe. The cell membrane separates the cell's internal environment from the extracellular space. This separation allows the protection of cells from their environment.
Prokaryotes vs Eukaryotes
The cell is defined as the basic structural and functional unit of life. The cell membrane bounds it. It is capable of independent existence.
A viral protein has a 20 amino acid amino acid chain consisting of the following primary structure:
A-G-L-F-A-F-P-P-W-G-G-V-C-M-G-L-G-A-M-C
In what places could these amino acids be found?
a) Inside the hydrophobic core of a protein
b) In a membrane that encloses the virus
c) On the outside of a protein
d) In a virus nail on the surface of the virus
Amino acids are the building units of a protein. In viruses, protein is present in the capsid, matrix, studs in the lipid membrane, and in the core encoded by the viral genetic material. Based on the tendency of the side chains to behave in the water, the amino acids are classified into hydrophobic and hydrophilic amino acids. About nine amino acids such as alanine, glycine, methionine, and cysteine are considered hydrophobic.
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