Cells Flashcards
What is the job of the nucleus?
Controls the cell
What is the job of the vacuole?
Stores sugar and sap
What are eukaryotic cells?
Plant and animals cells, with a true nucleus
What are prokaryotic cells?
Bacteria, no true nucleus
Name 2 parts in a bacteria cell
Plasmids and flagellum
Name 2 parts in a virus
Protein coat and genetic material
Name 2 parts in a fungi cell
Vacuole and cytoplasm
Name 3 parts in a microscope
Fine focus wheel,light source,stage
How do you go from mm to ųm
X1000
What is the equation for image size?
Actual size x magnification
What is magnification?
Increase in apparent size
What is the equation for total magnification?
Eyepiece x objective
What are 2 things animal and plant cells have in common?
Mitochondria and ribosome
Name 1 part of a plant cell
Vacuole
Name the first step in setting up the microscope
Place the slide on the stage and slide in place with clips
Name the last step in setting up the microscope
Select X10 objective lense and re-focus using the fine focusing dial
What is diffusion?
The movement of particals from a high to low concentration
What is osmosis?
Movement of water across a partially permeable membrane from a high to low concentration
What is active transport?
Movement of molecules from a low to high concentration through a partially mermuable membrane
What does active transport require?
Energy
What is a specialised cell?
One that has features that allow it to do a special job
What does differination happen as?
Genes
First step of cell division
Chromosomes replicate
Last step of cell division
Cyptoplasm splits to make 2 identical cells
