The movement of substances from a more dilute solution to a more concentrated solution (against a concentration gradient) with the use of energy from respiration.

A type of stem cell that can form many types of cells.

A substance placed in petri dishes which is used to culture microorganisms on.

The process where a cell becomes specialised to its function.

A partially permeable barrier that surrounds the cell.

An outer layer made of cellulose that strengthens plant cells.

An organelle which is the site of photosynthesis.

DNA structures that are found in the nucleus which are made up of genes.

Concentration gradient

The difference in concentration between two areas.

The spreading out of the particles of any substance in solution, or particles of a gas, resulting in a net movement from an area of higher concentration to an area of lower concentration.

A type of stem cell that can differentiate into most types of human cells.

A type of cell found in plants and animals that contains a nucleus.

How much bigger an image appears compared to the original object.

A type of stem cell that can differentiate into any type of plant cell.

An organelle which is the site of respiration.

A type of cell division which produces two genetically identical daughter cells from one parent cell.

An organelle found in most eukaryotic cells that contains the genetic material of the cell and controls the activities of the cell.

A specialised structure found inside a cell.

The diffusion of water from a dilute solution to a concentrated solution through a partially permeable membrane.

Loops of DNA found in the cytoplasm of prokaryotic cells.

A type of cell found in bacteria that does not contain a nucleus.

The ability to distinguish two different points in a specimen. Specialised cells

An undifferentiated cell that can divide to produce many specialised cells of the same type.

The amount of contact an object has with its environment.

Surface area to volume ratio (SA:V)

The size of the object compared with the amount of area where it contacts its environment.

Growth and Replication of DNA and organelles – Chromosomes move to different poles of the cell – Cytoplasm splits forming two daughter cells.

Producing an embryo that has the same genes as a patient.

An organelle that stores cell sap

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AQA Bio Unit 1

Cells

Term	Definition
Active transport	The movement of substances from a more dilute solution to a more concentrated solution (against a concentration gradient) with the use of energy from respiration.
Adult stem cell	A type of stem cell that can form many types of cells.
Agar jelly	A substance placed in petri dishes which is used to culture microorganisms on.
Cell differentiation	The process where a cell becomes specialised to its function.
Cell membrane	A partially permeable barrier that surrounds the cell.
Cell wall	An outer layer made of cellulose that strengthens plant cells.
Chloroplast	An organelle which is the site of photosynthesis.
Chromosomes	DNA structures that are found in the nucleus which are made up of genes.
Concentration gradient	The difference in concentration between two areas.
Diffusion	The spreading out of the particles of any substance in solution, or particles of a gas, resulting in a net movement from an area of higher concentration to an area of lower concentration.
Embryonic stem cell	A type of stem cell that can differentiate into most types of human cells.
Eukaryotic cell	A type of cell found in plants and animals that contains a nucleus.
Magnification	How much bigger an image appears compared to the original object.
Meristematic cells	A type of stem cell that can differentiate into any type of plant cell.
Mitochondria	An organelle which is the site of respiration.
Mitosis	A type of cell division which produces two genetically identical daughter cells from one parent cell.
Nucleus	An organelle found in most eukaryotic cells that contains the genetic material of the cell and controls the activities of the cell.
Organelle	A specialised structure found inside a cell.
Osmosis	The diffusion of water from a dilute solution to a concentrated solution through a partially permeable membrane.
Plasmid	Loops of DNA found in the cytoplasm of prokaryotic cells.
Prokaryotic cell	A type of cell found in bacteria that does not contain a nucleus.
Resolution	The ability to distinguish two different points in a specimen. Specialised cells
Stem cell	An undifferentiated cell that can divide to produce many specialised cells of the same type.
Surface area	The amount of contact an object has with its environment.
Surface area to volume ratio (SA:V)	The size of the object compared with the amount of area where it contacts its environment.
The cell cycle	Growth and Replication of DNA and organelles – Chromosomes move to different poles of the cell – Cytoplasm splits forming two daughter cells.
Therapeutic cloning	Producing an embryo that has the same genes as a patient.
Vacuole	An organelle that stores cell sap

Created by: Sprockles

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