Topic 1 - Key Concepts Flashcards
Nucleus Function
Contains genetic material that controls the cell activity
Cell membrane function
Holds cell together and controls what goes in and out
Mitochondria function
Where respiration happens
Ribosomes function
Protein synthesis
Cytoplasm function
A gel-like substance where most chemical reactions happen. Contains enzymes
Cell wall function(plant)
Made of cellulose and supports and strengthens cell
Chloroplast function(plant)
Where photosynthesis occurs. Contain green chlorophyll that absorbs light for the reaction.
Vacuole function(plant)
Contains cell sap and maintains water levels
Chromosomal DNA(bacteria)
A single circular strand of DNA that floats freely carrying genes
Plasmid DNA(bacteria)
Small rings of DNA that carry genes to duplicate
Flagella(bacteria)
A tail that moves and is used to propel the bacteria forward
Eukaryote
An organism made up of multiple eukaryotic cells
Prokaryote
A single prokaryotic cell that makes up the organism(a single-celled organism)
Acrosome function(sperm cell)
Enzymes in the head of the sperm to break through the egg cell membrane
Haploid nucleus(egg and sperm cell)
The nucleus that contains 23 chromosomes and combines with the other cells nucleus to form a diploid nucleus.
Sperm cell mitochondria
Contains more to release rapid energy to get the egg cell
Sperm cell flagella
Used to move quickly towards the egg
Egg cell cytoplasm
Contains nutrients to provide for the embryo
Egg cell membrane
Changes once a sperm penetrates to not allow any more sperm to enter
Ciliated epithelial cells
Have hair like strucutres on the surface to move mucus up the respiratory tract
Light microscopes
Uses light and lenses to magnify. Can see individual cells and large sub-cellular structures