AP BIOLOGY

THE CELL

CELL THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements supports the idea from the cell theory that cells extract energy from food to sustain life?
A
Yeast are living organisms made up of one cell.
B
A paramecium breaks down organic (natural) matter to live.
C
Unicellular bacteria represent the most basic unit of life.
D
An E. coli cell divides in half, forming two daughter cells.
Explanation: 

Detailed explanation-1: -Cell theory has 3 basic points: All living things are made of one or more cells. The cell is the smallest living thing that can perform all the functions of life. All cells must come from pre-existing cells through cellular division.

Detailed explanation-2: -Answer: The cell theory states that all living beings are made of cells.

Detailed explanation-3: -The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

Detailed explanation-4: -1) All organisms are made of cells. 2) All existing cells are produced by other living cells. 2) All existing cells are produced by other living cells. 3) The cell is the most basic unit of life.

There is 1 question to complete.