OBJECTIVE LIFE SCIENCE
CELL BIOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
that organisms were the basic unit of life
|
|
|
that both cells and organisms were basic units of life
|
|
|
that the questions of the basic unit of life were too abstract to answer
|
|
|
none of the above
|
Detailed explanation-1: -Schleiden and Schwann believed that cells arise from non-cellular materials. Explanation: Schleiden and Schwann’s ideas about the origin of life did not receive reverence because both of them agreed that cells could arise from non-cellular material.
Detailed explanation-2: -From their collaborative investigations, Schwann and Schleiden formulated cell theory that states: All living things are made up of one or more cells. The cell is the basic unit of structure of all organisms. Cells arise from pre-existing cells.
Detailed explanation-3: -Although their belief that all living things were made up of cells aligned, Schleiden and Schwann disagreed on the topic of how cells were formed. Schleiden believed cells came from a process called free cell formation, or spontaneous generation.
Detailed explanation-4: -Schwann concluded three things that became vital components of the cell theory. First, Schwann concluded that both plants and animals were composed of cells. Second, these cells have independent lives. Third, these independent lives are subject to the organism’s life.
Detailed explanation-5: -Matthias Schleiden, a German botanist, and Theodor Schwann, a British Zoologist formulated the cell theory in the mid-nineteenth century. In 1838 Schleiden was the first to state that cells are building blocks of plants. These discoveries led to the formulation of cell theory.