Cells

Who among the following scientists proposed that cells come from preexisting cells?

• Matthias Schleiden

• Theodore Schwann

• Robert Hooke

• Rudolf Virchow

it is the fundamental unit of life. It is the smallest structural and functional unit of all living organisms

• cell

• molecule

• cilia

• enzymes

Which of the following is the fundamental unit of life?

• molecule

• cell

• organism

• atom

who stated that cells can only come from preexisting cells. Cells produce daughter cells that contain an exact copy of the parent cells’ hereditary material.

• Robert Hooke

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

Which of the following statements is not true about the size of the cell?

• The small cell size is a disadvantage in acquiring adequate nutrients because of the small surface area.

• The small size of cells corresponds to their high surface area to volume ratio compared to a theoretically larger cell

• The cell is the smallest functional system that allows the efficient entry and exit of metabolic nutrients and materials

• The cell needs a large surface area to facilitate the entry of nutrients and to prevent the accumulation of wastes materials

Which of the following is not a premise of the cell theory?

• The cell can come from preexisting cells

• The cell is the structural unit of life

• The cell requires water for survival

• The cell can be found in all living organisms

Which of the following observations disproves the long-held belief that life comes from inanimate entities?

• The living cell must be present for an entity to be classified as a living organism

• The microorganisms from a drop of water were observed under the microscope

• The rotten meat was not observed to produce maggots because flies cannot enter a sealed jar.

• The cork from the bark of an oak tree that was observed under the microscope have small packets called cells

He was the one who experimented that disproved the spontaneous generation theory. Life cannot just come from any inanimate or nonliving materials, but rather, it has arise from a preexisting life form

• Charles Darwin

• Robert Hooke

• Francesco Redi

• Rundolf Viscow

No matter how big an elephant is, its cells need to be small in size. Why is it so?

• The smaller the size of the cell, the more efficient it is for that cell to obtain nutrients from its sources

• The larger the size of the cell, the more efficient it is for the uptake of nutrients

• The larger the size of the cell, the more adequate nutrients are obtained from the cell's outside sources

• The smaller the size of a cell, the more inadequate nutrients uptake becomes.

Why are cells considered the fundamental units of life

• Cells perform the basic necessary for the survival of an entire organism

• Cells are the fundamental units of life because they are very small in size

• Cells are the fundamental units of life because they are found inside organisms' bodies

• Cells can divide to produce more cells that will make up the tissues of a complex organisms