cells

Question 1

the cell theory

Answer 1

-the cell is a basic unit of life
-all living things are composed of cells
-cells come from preexisting cells

Question 2

prokaryotic celled organisms

Answer 2

simple cell structure without internal membrane bound compartments

Question 3

eukaryotic celled organisms

Answer 3

a more complex cell structure with internal membrane bound compartments

Question 4

prokaryotic cell has (eukaryotic doesnt)

Answer 4

1.its tiny tinyyyy
2.no membrane bound organelles
3.cell wall with peptidoglycan
4.dna in nucleotide (nu nuclear membrane)
5.flagella rotates
6.dna is circular and naked
7.smaller 70s ribosomes
8.can have plasmids
9.all unicellular

Question 5

eukaryotic (differences from prokaryotic)

Answer 5

1.bigger(10=100um)
2.membrane bound organelles
3.division by binary fission, mitosis or meiosis
4.cell wall with cellulose (plants) dna in nucleus (with muler membrane)
5.flagella moves laterally
6.dna is linear and associated with historic proteins
7.larger 70s ribosomes
8.does not have plasmids
9.uncellular or multicellular

Question 6

same qualities of prokaryotic and eukaryotic cells

Answer 6

ribosomes, dna, cell membrane, cytoplasm, essential function of life

Question 7

cell wall and plasma membrane

Answer 7

1.it protects and maintains the shape of the cell
2.it keeps the cell from breaking
3.the wall is mostly made from peptidoglycan
4.the plasma membrane to some extent controls the movement of the interiors
5.acts like a border controller

Question 8

pili and flagella

Answer 8

-pili joins bacterial cells in preparation for the transfer of dna from one cell to another
-flagella allows a cell to move

Question 9

ribosomes

Answer 9

sites of protein synthesis

Question 10

the nucleoid region

Answer 10

-non compartmentalised
-contains one long singular continuous thread of dna
-not surrounded by membrane

Question 11

plasmids

Answer 11

-small, circular dna mollecules
-not in every prokaryotic cell
-not connected to the main bacterial chromosome
-helps the cell adapt to unusual circumstance

Question 12

dna (generic cell structure)

Answer 12

~all living cells contain some dna (varies between eukaryotic and prokaryotic)

~the presence of it means that a new cell can be formed from an old one (dna stores and transfers genetic material)

~controls production of enzymes and other vital proteins within the cell

Question 13

cytoplasm (generic cell structure)

Answer 13

~found within the cell boundary

~mainly water + dissolved substances (ions)

~the fluid is called cytosol

~multiple of the cells relevant reactions occur there

~conducts ingredients necessary for the cell to conduct it’s day to day activities

Question 14

plasma membrane (generic cell structure)

Answer 14

~surrounds the cell and encloses it’s contains

~two layers (bilayers)

~the bilayer consists of lipids (the kind of lipid varies on the cell type though i think)

~the membrane is responsible for controlling the interactions of the cells interiors and exteriors

~waste substances are exported out of the cell to the environment

~have proteins

Question 15

the purpose of the proteins in cell membrane

Answer 15

~transportation
~cell communication
~cell recognition