all living things are made of cells
true/ false
What do scanning electron microscopes and transmission electron microscopes have in common?
Both generate three-dimensional images.
Both offer magnification to the atomic level.
Both are used to view the parts of a cell.
Both require a vacuum.
Both require a vacuum.
when is ms c's birthday?
What did anton leewenhoek discover?
200+ points for giving me an example
single celled organisms
ex. bacteria
What is one advantage of a light microscope over an electron microscope?
you can examine things that are living with a light microscope
According to the cell theory, which structure contains cells?
blood
water
carbon dioxide
chromosome
Blood
Which microscope is often used to view metal surfaces?
scanning electron microscope
scanning tunneling microscope
transmission electron microscope
compound light microscope
Scanning tunneling
what is ms. c's favorite animal?
a dog
What did robert hooke name and discover while examining tree bark?
Cells
what is the magnification of an electron microscope?
1 million times
Define the characteristics of a transmission electron microscope
these microscopes make it possible to explore cell structures and large protein molecules
Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms?
simple microscope
compound light microscope
electron microscope
tunneling microscope
simple
Where was ms c born?
+200 if you know the name of the city
Texas, dallas
Which statement is one component of the cell theory?
All living and nonliving things consist of one or more cells.
Cells and living organisms are spontaneously created.
Cells are the most complex unit of structure and function in living things.
A cell is the basic unit of structure and function of all organisms.
A cell is the basic unit of structure and function of all organisms.
A magnifying glass is an example of which type of microscope?
electron microscope
scanning microscope
compound light microscope
simple microscope
simple microscope
define the process a scanning electron microscope
a pencil like beam of electrons is scanned over the surface of a specimen
In the 1600s, which scientist discovered microbes in pond water by using a microscope?
Theodor Schwann
Robert Hooke
Anton van Leeuwenhoek
Matthias Schleiden
Anton van Leeuwenhoek
how many kids does ms c want?
5
list the three parts of cell theory
1) all living things are made of cells
2) they are the basic unit of all life
3) all cells are made from pre existing cells
400-1000x
what does a compound microscope do?
these microscopes make it possible to explore cell structures and large protein molecules
Which reason best explains why dead specimens must be used with transmission electron microscopes?
Electrons pass over the specimen.
The lights that are used are harmful to the specimens.
Specimens are placed in a vacuum.
The image that is produced is two dimensional.
Specimens are placed in a vacuum
What is ms. c's fiances name and how long have they been together?
Jack and 8 years
What scientist discovered all living things are made of cells?
Mathias Schlieden
uses electrons in a vacuum to create 2-d images