Cells & Microscopes
Which structure on the microscope changes the amount of light?
Diaphragm
The stage DNA replication takes place
Interphase
Cells taking on special functions
Differentiation
Chemical in the saliva
Amylase
Small bone in the kneecap
Patella
2 changes in the FOV when going to higher magnification
smaller FOV and Darker
3 reasons that cells divide
growth
repair
reproduction
Type of tumour in which cancer cells are changing the function of the cells
Malignant
Food entering stomach is called...
Food leaving the stomach is called...
Bolus, Chyme
Divides the two sides of the heart
septum
Microscope that allows the viewer to observe the outside of a virus
SEM
Splitting of cell organelles at the end of mitosis
Cytokinesis
3 types of screening tests
EG. PSA
Mammogram
ABCD for skin
Role of the pleura
Reduce friction, vacuum seal the lungs
Opposing muscle groups eg. bicep/tricep
antagonistic
Three postulates of the cell theory
All living things are made of cells
Cells are the functional unit of life
All cells come from other existing cells
Structures at the end of chromosomes that wear down with aging
Telomeres
4 types of Animal tissues
epithelial
nervous
connective
muscle
Specialized cell type along the respiratory tract
Ciliated epithelial (columnar)
Key structure between two nerve cells
synapse
3 functions of the ER
Transport
Compartmentalization
Large SA for chemical reactions
3 changes in Prophase
Nuclear membrane and nucleolus breaks down
Centrioles go to the poles
Chromatin condenses into chromosomes
3 specific cells types and one of their specializations
Eg. RBC - no nucleus, small, biconcave, Hb
Neuron - dendrites, axons, cytoskeleton
Muscle - sarcomeres, multinucleated
3 parts of the SI
Duodenum, jejunum, ileum
Roles of the RBC, WBC, platelets and plasma
Carry oxygen, fight infection, clotting and dissolve all nutrients and carry cells