AP BIOLOGY

THE CELL

CELL THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are statements of the cell theory? (choose all that apply)
A
All living things are made of cells.
B
All living things have DNA inside a nucleus.
C
Cells are the basic unit of life.
D
Cells come from other living cells.
E
All living things require energy.
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: -The generally accepted portions of the modern Cell Theory are as follows: The cell is the fundamental unit of structure and function in living things. All organisms are made up of one or more cells. Cells arise from other cells through cellular division.

Detailed explanation-3: -Around 1850, Virchow observed cells dividing. To previous learnings, he added that living cells arise only from other living cells. These ideas led to cell theory, which states that all organisms are made of cells, that all life functions occur in cells, and that all cells come from other cells.

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