Robert Hooke was the first person to characterize living cells under the microscope. His discoveries led other scientists to create the cell theory, which characterizes the basic principles about all cells. Answer and Explanation:1 The cell theory states that all cells come from other cells. ...
The cell theory is the most fundamental principle in biology. It states that all living organisms are composed of similar primary units called cells. The concept was first formally articulated in 1839 by Schleiden & Schwann. Its roots date back to 17th century, when a scientist named Robert Hoo...
The third part of the cell theory definition states that all cells come from preexisting cells. This means that cells don’t just appear out of thin air (known as “spontaneous generation”).New cells are always made from current cells.This means that all current life on the planet is des...
According to the cell theory, all living things are made up of _. A. atoms B. molecules C. cells D. tissues 相关知识点: 试题来源: 解析 C。解析:细胞学说认为所有生物都是由细胞组成的。A原子是构成物质的基本单位,但不是生物的基本组成单位。B分子也是物质组成部分,不是生物的基本组成。D组织是...
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The cell theory is fundamental in biology. Which of the following is NOT part of the cell theory? A. All living things are made up of cells B. Cells are the basic units of life C. Cells can be created from non-living matter D. Cells come from pre-existing cells ...
The Cell Theory
Which of the following is NOT one of the main components of the cell theory? A. cells must contain DNA B. all living things are made of cells C. cells can only come from other cells D. cells are the basic unit of life 相关知识点: ...
athe cell theory in its modern form includes four principles;1All organisms are composed of one or more cells,within shich the life processes of metabolism and heredity occur.2Cells are the smallest living things,the basic unit of organization of all organisms.3although life evolved spontaneously...
Noun1.cell theory- (biology) the theory that cells form the fundamental structural and functional units of all living organisms; proposed in 1838 by Matthias Schleiden and by Theodor Schwann cell doctrine scientific theory- a theory that explains scientific observations; "scientific theories must be ...