AP BIOLOGY

THE CELL

CELL THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The most basic unit of life is
A
a cell
B
an organ
C
an organ system
D
a tissue
Explanation: 

Detailed explanation-1: -Cells are considered the basic units of life in part because they come in discrete and easily recognizable packages. That’s because all cells are surrounded by a structure called the cell membrane-which, much like the walls of a house, serves as a clear boundary between the cell’s internal and external environments.

Detailed explanation-2: -Cells are the structural and functional units of life because a cell is capable of independent existence and can carry out all the vital functions for living. A cell carries out functions like nutrition, respiration, excretion, transportation and reproduction; the way an individual organism does.

Detailed explanation-3: -A cell is the most basic unit of life. Anatomically, it is a membrane-bound structure that contains various other organelles which perform specialized functions.

There is 1 question to complete.