Exam revision Flashcards
Red blood cell function and stucture?
No nucleus and concave shape to increase surface area to help carry more oxygen.
Phagocyte cell structure and functions?
Powerful digestive enzymes to destroy foreign invaders.
Ciliated cell structure and function?
Small hairs extend from cell which sweep mucus away from the lungs and sweep eggs along the oviduct.
Nerve cell structure and function?
Extensions of the cell membrane which allows cells to communicate with each other.
Nucleus functions and where it’s found?
Controls cell activities and holds DNA, it’s found in animal, plant and fungi cells.
Cytoplasm functions and where it’s found?
Where the chemical reactions take place and is found in all cells.
Ribosome functions and where it’s found?
Where protein synthesis takes place and is found in all cells.
Guard cell structure and functions?
Cell wall of inner side is thicker than the outer side and it can change shape there for opening and closing stomata.
Cell wall functions and where it’s found?
Gives the cell structure and support and is found in plant, fungi and bacteria cells.
Chloroplast functions and where it’s found?
Where photosynthesis takes place and is found in plant cells.
Root hair cell functions and structure?
Finger like projections which increase surface area for water absorption.
Vacuole functions and where it’s found?
Where sap is stored and is found in plants and fungi cells.
Describe a cell and give an example of one?
Most basic unit of life= plant, animal, skin, bacteria cell etc.
Description of tissue in the body?
Groups of cells linked all doing the same job.
Describe and give an example of an organ?
Groups of tissue working together to perform 1 or more functions - heart, lungs, liver, stomach etc.
Describe an organ system and give an example of one?
Different organs work together to do a particular job- digestive, urinary, respiratory system etc.
Each daughter cell receives the…
Same number of chromosomes as the parent cell.
Mitochondrion functions in cell?
The site of aerobic respiration.
The process of cell division is called…
Mitosis
The middle of a cell is called the…
Equator
Cell membrane functions in the cell?
Controls what enters and leaves the cell
Cells divide for…
Growth and repair
Where are stem cells found?
In early stage embryos and some adult tissue.
Once the chromosomes replicate each copy is called a…
Chromatid
