Biology 1001 Exam 2 Dr.Nita LSU
Study online at https://quizlet.com/_fq98b5
1. what does the cell theory state? that all cells come form previously exist-
ing cells and consist of three principles
2. what are the three principles of 1. every organism is made up of one or
the cell theory? more cells
2. the smallest organism are single cells,
and cells are the functional units of mul-
ticellular organisms
3. all cells arise from a pre-existing cell
3. who developed the primitive light robert hooke
microscope?
4. who build his own microscope in anton van leeuwenkoek
the 1670's?
5. light microscopes use lenses quartz
made of glass or ______ to bend
and focus light
6. light microscopes have a better resolving
_______ power.
7. electron microscopes provide high
______ resolution
8. __________ electron micro- scanning
scopes bounce electrons off
specimens that are dry and hard
9. _______ electron microscopes transmission
pass electrons through a thin
specimen
10. in ______ cells, the genetic ma- eukaryotic
terial is contained within a mem-
brane enclosed structures
11. complex
, Biology 1001 Exam 2 Dr.Nita LSU
Study online at https://quizlet.com/_fq98b5
eukaryotic cells are more ______
and makeup bodies of animals,
plants, fungi, and protist
12. Prokaryotic cells do not have a nucleus
_________.
13. the single cells of bacteria and prokaryotic
archaea, the simplest forms of
life, are ____________.
14. most cells range in size from 1 to micrometers (millionths of a meter)
100 __________ in diameter
15. _______ is a process by which diffusion
molecules dissolved in fluids
move; is relatively slow
16. the ________ encloses the cell cell membrane
and allows interactions between
the cell and its environment
17. what consist of proteins embed- plasma membrane
ded in a bilayer of phospholipids
?
18. _______ proteins allow specific channel
molecules to pass into or out of
the cell
19. ______ proteins blind messenger receptor
molecules and initiate a cells re-
sponse to the message
20. the ______ consist of all the fluid cytoplasm
and structures inside the plasma
membrane but outside the nucle-
us in eukaryotes
21. cytosol
Study online at https://quizlet.com/_fq98b5
1. what does the cell theory state? that all cells come form previously exist-
ing cells and consist of three principles
2. what are the three principles of 1. every organism is made up of one or
the cell theory? more cells
2. the smallest organism are single cells,
and cells are the functional units of mul-
ticellular organisms
3. all cells arise from a pre-existing cell
3. who developed the primitive light robert hooke
microscope?
4. who build his own microscope in anton van leeuwenkoek
the 1670's?
5. light microscopes use lenses quartz
made of glass or ______ to bend
and focus light
6. light microscopes have a better resolving
_______ power.
7. electron microscopes provide high
______ resolution
8. __________ electron micro- scanning
scopes bounce electrons off
specimens that are dry and hard
9. _______ electron microscopes transmission
pass electrons through a thin
specimen
10. in ______ cells, the genetic ma- eukaryotic
terial is contained within a mem-
brane enclosed structures
11. complex
, Biology 1001 Exam 2 Dr.Nita LSU
Study online at https://quizlet.com/_fq98b5
eukaryotic cells are more ______
and makeup bodies of animals,
plants, fungi, and protist
12. Prokaryotic cells do not have a nucleus
_________.
13. the single cells of bacteria and prokaryotic
archaea, the simplest forms of
life, are ____________.
14. most cells range in size from 1 to micrometers (millionths of a meter)
100 __________ in diameter
15. _______ is a process by which diffusion
molecules dissolved in fluids
move; is relatively slow
16. the ________ encloses the cell cell membrane
and allows interactions between
the cell and its environment
17. what consist of proteins embed- plasma membrane
ded in a bilayer of phospholipids
?
18. _______ proteins allow specific channel
molecules to pass into or out of
the cell
19. ______ proteins blind messenger receptor
molecules and initiate a cells re-
sponse to the message
20. the ______ consist of all the fluid cytoplasm
and structures inside the plasma
membrane but outside the nucle-
us in eukaryotes
21. cytosol
