Cells (10)

Consisting of one cell.

Consisting of several cells.

Prokaryote and Eukaryote.

Cell with no definite nucleus.

Cell with a distinct nucleus.

The outermost boundary of plant cells. Non living layer. Permeable and contains cellulose.

Primary cell wall. Secondary cell wall. Middle Lamella.

Primary cell wall: Made of cellulose, permeable to gases and water, provides shape. Secondary cell wall: Made of lignin, impermeable to gases and water, provides strength and protection. Middle Lamella: Made of pectin, joins adjacent cells together.

Semi-permeable structure that forms the outer boundary of the cell.

Jelly-like transparent substance in the cell.

Living parts of the cell( cell membrane, cytoplasm and organelles)

Fine strands of cytoplasm that pass through openings in the cell wall, connecting the cytoplasm of adjacent cells.

Check book

Check book

The model that describes the arrangement of lipid and protein molecules in cell membranes. It states two layers of phospholipids have hydrophilic phosphate head and a hydrophobic tail, made of 2 fatty acids.

check book

Movement of particles from one area of high concentration to and area of low concentration until equilibrium is reached.

transport for which energy is not needed, eg diffusion across a cell membrane

Movement of WATER particles from high concentration to low concentration across a semi-permeable membrane.

Solution contains the same amount of solute as the inside of the cell. Plant and animal cells do not gain or lose water.

Solution contains less solute than the inside of the cell. Water will move into the animal and plant cells via osmosis. The animal cell becomes swollen and ultimately bursts. The plant cell absorbs water and becomes turgid; the pressure of cell wall restricts the inflow of water.

Solution contains more solute than the inside of the cell. Water will move out of the animal and plant cell via osmosis. The animal cell will shrink and shrivel. The plant cell vacoule loses water and the cell becomes flaccid.

Tendency for water molecules to move from a high concentration to a low concentration.

movement of substances through a semi-permeable membrane in living cells against a concentration gradient, requires energy