Cell Structure/Osmosis and Diffusion

Question 1

Cell theory:

Answer 1

All living organisms are composed of one or more cells
The cell is the basic unit of life
All cells arise from per-existing cells

Question 2

Prokaryotes:

Answer 2

Simpler cells

Question 3

Eukaryotes:

Answer 3

are compose of cells that are more highly organized

Question 4

The outer boundary of the cell is

Answer 4

Plasma membrane

Question 5

All cells store genetic information in the form of

Answer 5

DNA

Question 6

Everything inside the plasma membrane that is not DNA or nucleus is

Answer 6

Cytoplasm

Question 7

Characteristic: (Plasma Membrane) phosolipid bi layer and proteins

Answer 7

Prokaryote

Question 8

Characteristic: (DNA): typical one circular molecule of DNA

Answer 8

Prokaryote

Question 9

Characteristic: (Cytoplasm): Ribosomes; some members have short membrane segments to anchor photosynthetic pigments

Answer 9

prokaryote

Question 10

Characteristixs:( Kingdoms) Bacteria; Archeae

Answer 10

Prokayote

Question 11

Characteristic(Plasma membrane): phosolipid bilayr and proteins

Answer 11

Eukaryote

Question 12

Characteristics:(DNA): more than one molecule of DNA enclosed by a nuclear membrane

Answer 12

Eukaryotes

Question 13

Characteristics(Cytoplasm): ribosomes; membrane bound organelles to perform specific functions

Answer 13

Eukaryotes

Question 14

Characterisitcs(Kingdoms): Protistia,Fungi,Plantae,Animalia

Answer 14

Eukaryotes

Question 15

______ is the universal solvent for biological solutions

Answer 15

Water

Question 16

_____is a substance dissolved in another substance

Answer 16

Solutes

Question 17

A _____ is a liquid that dissolves a solid, liquid or gas

Answer 17

solvent

Question 18

A solution is a liquid or solid which is made by dissolving a solid, liquid, or gas in the pure liquid or solid.

Answer 18

solution

Question 19

Transport Protein

Answer 19

assists substances to move across the membrane

Question 20

Selectively Permeable barrier

Answer 20

allows the passage of some molecules or ions and inhibits the passage of others

Question 21

Diffusion

Answer 21

substances cross the membrane

Question 22

Osmosis

Answer 22

the movement of water, the solvent, down its concentration gradient across a selectively permeable membrane

Question 23

The _____ at which molecules move down their concentration gradient is dependent on the size of the concentration gradient

Answer 23

rate

Question 24

Equilibrium

Answer 24

molecules become evenly distributed

Question 25

Tonicity

Answer 25

describes one solution’s solute concentration in comparision to another solution

Question 26

Isotonic

Answer 26

if the two solutions are at equilibrium *(the same solute concentration)

Question 27

Hyper-tonic

Answer 27

The solution with the higher solute concentration

Question 28

Hypo-tonic

Answer 28

The solution with the lower solute concentration

Question 29

Plasmolysis

Answer 29

is a process in which cells lose water