xCells Flashcards
Give two function of the nucleus?
It contains genetic information of the cell and controls the cell activities
What is the cell wall made of?
Cellulose
List 3 structures present in plant cells but not animal cells.
Cell wall, vacuole and chloroplast
What is the formula for finding the actual size of an object through a microscope?
Image size =actual size
Magnification
What is the formula for finding the image size?
Actual size x magnification = image size
How many micrometers in a millimetre?
1000 micrometers
How many nanometers in a micrometer?
1000 nanometers
What is the highest magnification of a microscope?
X 1500
What does high resolution mean?
When the image is clearer on the microscope
Why is an electron microscope better the a normal one?
Electron microscopes let you see much smaller things like the structure within cells
What is the name of the group of animal, plant, fungi and proctictisa which all contain a true?
Eukaryotic
What is the name given to bacteria which evolved before the existence of the nucleus?
Prokaryotic
Give the definition of Bactria?
Bacteria are single-celled organisms that are typically much smaller than plant or animal cells
Which is the one animal cell that has a flagella?
Sperm cell
Name a organelle which is red?
Mitochondria
