Ch 2: Online 2 Flashcards
Some Basic Chemistry
Lack of oxygen is tissues is called what?
Hypoxia
What is another name for tissue fluid?
Interstitial fluid
What are the subunits of DNA and RNA?
Nucleotides
To render biologically inactive with heat is called?
Denature
What makes water molecules cohesive?
Hydrogen bonds
What prevents drastic changes in the pH of body fluids?
Buffer system
Hemoglobin is to iron as thyroxine is to ___?
Iodine
Myoglobin is to iron as vitamin B12 is to ___?
Cobalt
What are the self antigens on cell membranes called?
Oligosaccharides
In what process are bonds created to make large molecules from small ones?
Synthesis
What phospholipid is important for nerve cell insulation?
Myelin
In what bond do two atoms share one or more electrons?
Covalent bond
The carbohydrates of nucleotides are ….?
Peptose sugars
What are the identifying markers on cell membranes?
Antigens
Adenine is to thymine as guanine is to ___?
Cytosine