AP BIOLOGY

THE CELL

CELL THEORY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A student is learning about the cell theory in science class, and she applies it to a fern that she is growing in her bedroom. The cell theory states that which of the following characteristics of the fern must be true?
A
The fern’s cells came into existence spontaneously.
B
The fern is made up of a collection of cells.
C
The cells that make up the fern are nonliving
D
The fern is made up of compounds that are not cells.
Explanation: 

Detailed explanation-1: -A student is learning about the cell theory in science class, and she applies it to a fern that she is growing in her bedroom. The cell theory states that which of the following characteristics of the fern must be true? The fern’s cells came into existence spontaneously.

Detailed explanation-2: -Key Points. The cell theory describes the basic properties of all cells. The three scientists that contributed to the development of cell theory are Matthias Schleiden, Theodor Schwann, and Rudolf Virchow. A component of the cell theory is that all living things are composed of one or more cells.

Detailed explanation-3: -Cell theory-This is crucial for us understanding biology because cells form the basis of all life. We can have unicellular organisms, like bacteria, like yeasts. [And] cell division, the division of a cell from one, to two, to four, forms the basis of growth and development of all living things.

Detailed explanation-4: -The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory.

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