cytology quiz plasma membrane

MCQ on Plasma Membrane Structure and Function (Part-1)

MCQ on Plasma Membrane (Part-1): The plasma membrane, also known as the cell membrane, is a thin, semi-permeable barrier that surrounds the cell, separating its internal contents from the external environment. It is composed of a phospholipid bilayer with embedded proteins and controls the movement of substances in and out […]

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mcq on water chemical & physical properties

MCQ on Water, pH and Buffer Systems (Part-3)

(1). What is the molecular weight of water?       a.       10 g/mol       b.      15 g/mol       c.       18 g/mol       d.      20 g/mol (2). What is the H+ ion concentration in pure water?      a.       1 X 10-7 m   […]

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MCQ on Hydrogen Bond, pH Scale

MCQ on Water (Part-2)

(1). Bond length between H and O atoms in water is: a.       0.00965 nm b.      0.0965 nm c.       0.965 nm d.      9.650 nm (2). The van der Waals radius of Oxygen atom in water molecule is a.       1.2 Å b.      1.4 Å c.       1.6 Å d.      1.8 Å Learn more: […]

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mcq biology

MCQ on Membrane Lipids

Biochemistry MCQ-11: Membrane lipids are a type of lipid that are important components of cell membranes. The main types of membrane lipids are phospholipids, galactolipids, sphingolipids and cholesterol. The composition of membrane lipids can vary between different types of cells, and can be influenced by factors such as diet and […]

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mcq biology

MCQ on Fatty Acids

Biochemistry MCQ-10: Fatty acids are a type of lipid that are used as a building block for other lipids in the body. They consist of a long hydrocarbon chain with a carboxyl group at one end. The hydrocarbon chain can be either saturated (no double bonds) or unsaturated (one or […]

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