Cells test
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Who was Robert Hooke?
Robert Hooke coined the term cell
Who was Anton van Leeuwenhoek
He developed the first microscope with the ability to view organisms
Why are smaller sized cells better at obtaining STUFF(3) than larger cells Oxygen,nutrients, and water
Smaller cells are able to absorb quicker which leads them to survive longer
Cell theory
• All things are made up of cells • All cells come from preexisting cells • Cells are the basic structure of an organism
What are all living things on earth made of
Cells
cells are measured in units of
micrometers
Micrometers are = to _____ of a millimeter
1000
Largest cells are
Egg cells
What cells have no nucleus and no other membrane bound organelles
Prokaryotes
Your skin is made up of several different types of tissue wich all work together. So that means that it is
An organ
A typical cell seems to have 3 main parts
cell membrane, cytoplasm, and the nucleus
What is the outer border covering the cell
Cell membrane
The plasma membrne is said to be
selectively permeable
Selectively permeable?
It means that it only allows certain substances to pass back and forth
What supports the oversll shape of the cell
Cyto skeletion
what organelles burn glucose to produce energy in the form of ATP
Mitochondria
what is the cell’s transportation system a.k.a intercellular highway
Endoplasmic Reticulum
What produces the portien in a cell
Ribosomes
What packages protiens to be shipped to other parts of the cell
golgi apparatus
What proteins make all chemical reactions possible
Enzymes
One type of specialized vesicle found in animal cells, which can help digest cellular debris is called a
Peroxisome Maybe not listen t this??
The nucleus is covered with the nuclear ______ which has pores that allow materials to enter and leave the control center
Envelope
How many pairs of chromosomes are found in a typical animal cell
46
Chromosomes are made of a chemical molecule called
DNA