Cell Membrane Questions and Answers (Cytology MCQ-03): The cell membrane, also known as the plasma membrane, is a thin, flexible barrier that encloses the contents of a cell. It consists of a phospholipid bilayer with embedded proteins, allowing selective transport of substances and maintaining cell integrity. The cell membrane regulates […]
Continue ReadingTag Archives: Life Science NET Study Materials
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 […]
Continue Reading
CSIR NET Question Paper Model Examination (04)
(1). In pET expression vectors, high level of expression of cloned gene is achieved using a. T7 promoter b. SP6 promoter c. Λ-PL promoter d. Trp promoter (2). Archaea is considered as a separate group from bacteria and eukaryotes, based on a. Genome sequence b. 16S rRNA gene sequence c. […]
Continue Reading
Light Microscope Vs Electron Microscope: Similarities and Differences- A Comparison Table
Light vs Electron Microscope There are more animals living in the scum on the teeth in a man’s mouth than there are men in a whole kingdom. Antony van Leeuwenhoek A microscope is an instrument used to see objects which are not directly visible to naked eyes. The word microscope […]
Continue Reading
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 […]
Continue Reading