Cytology Flashcards
What four elements form 95% of the body mass?
Oxygen
Carbon
Hydrogen
Nitrogen
What is cytology?
The study of cells
What constitutes 2/3 of our body mass?
Water
What is the normal ph of blood ?
7.35-7.45
What are the four major groups of biological macromolecules?
Proteins
Polysaccharides
Lipids
Nucleic acids
How is DNA formed ?
By replication
What are polymers are proteins made out of?
Amino acids
What polymers are polysaccharides made out of?
Monosaccharides
How is RNA formed?
By transcription
How are proteins assembled?
By translation
What are polysaccharides an important source for?
Cellular energy
What do proteins form?
Enzymes Antibodies Hormones Contractile elements Structural components of cells
What are the 4 major categories of lipids?
Glycerides
Steroids
Prostaglandins
Phospholipids
What are the three major parts of a cell?
Nucleus
Cytoplasm
The cell membrane
What is the cellular fluid of cytoplasm called ?
Cytosol