If the microscope wasn't invented. Scientists would not be able to discover the cell and its structure
True
False
…….A group of similar cells that share a common origin and perform the same function
Tissue
System
Cell
Organ
Cellular respiration It's a process of using …….gas to get chemical energy from food
oxygen
Carbon Dioxide
Nitrogen
Hydrogen
Living organisms are classified according to the number of cells into
Cell works together to form………
……It is the gelatinous liquid inside the cells in which other cell parts float
Organelle
Nucleus
Cytoplasm
Cell wall
………It's a structure within the cell that has a special function.
You can change the magnifying power by changing the…………
stage
eyepiece
objective lens
stage clips
The function of the cell wall.............
gives the cell a definite shape
protects the cell
supports the organelles
control center for the organelles
………. He was the first person to use the word "cell"
Robert Hooke
Einstein
Abraham Bell
……….It surrounds the plant cell from outside
Plasma Membrane
Different cells have different structures.
A human has about …….cells
40 Million
40 trillion
400 trillion
450 trillion
……..They are powerhouses that supply the cell with energy.
Mitochondria
They are organisms that have no more than one cell
Lung, eye, stomach are considered as ……..
Entire organism
Organs
Unicellular organisms are organisms made up of…………
more than one cell
only one cell
The nucleus of a cell was discovered through observation of numerous ………
muscle Cells
blood Cells
animal cells
plant cells
…… It is responsible for controlling cell activities
………..It surrounds the cell
……..A group of tissues involved in performing a particular function.
we look at the slide through the .....
Most cells have cytoplasm, a cell membrane, a nucleus, and mitochondria
Scientists use …………….to observe some too small things
microscope
Mirrors
lens
camera
……… It is located inside the membrane