NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacteria have a cell membrane
A
True
B
False
C
Some do, some don’t
D
Only in certain temperature conditions
Explanation: 

Detailed explanation-1: -Plasma Membrane: The bacterial plasma membrane is composed primarily of protein and phospholipid (about 3:1). It performs many functions, including transport, biosynthesis, and energy transduction. Organelles: The bacterial cytoplasm is densely packed with 70S ribosomes.

Detailed explanation-2: -Bacteria have a well-defined cell wall composed of peptidoglycan. It protects the bacteria from outer environment and can also confer pathogenicity. Gram-negative bacteria have two layers of cell walls, one inner peptidoglycan layer, and one outer lipopolysaccharide layer.

Detailed explanation-3: -A bacteria is made up of a single cell. Such organisms are called single-celled organisms.

Detailed explanation-4: -The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment.

There is 1 question to complete.