i. Usually designed to achieve sterilization = destruction of all life forms
ii. May not be totally safe i.e. persistent toxins
Types of Physical Control
2. Boiling Water
Types of Heat
*Fast, reliable, inexpensive, no
Clostridial Food poisnoising
Spore contaminate food
Staphylococcal Food poisoning
2nd most common fp in U.S.
Most dangerous fp
once symptoms are shown its too late
Linear Motion Equations
v = v0 + at
v2 = v02 + 2ax
x = v0t + 1/2at2
vavg = (v0+v)/2
x = v*t = (v0+v)/2t
Acceleration is constant for each of these equations.
Newton's 1st Law
object in motion will stay in motion a
a. relationship between host and parasite, and the ensuing struggle for supremacy
i. If host loses= disease
a. infection that does NOT cause disease
i. It is a symbiotic association
ability of a parasite to enter host
Paul Ehrlich (1900s)
a. father of chemotherapeutic agents
i. Arsphenamine (Salvarsan)- treatment for syphilis
Prontosil- effective in killing Gram +s
a. highly effective against Gram +s
i. Problem severe drug allergy could devel
(1665)- Made scientist aware of the simple (1 lens)microscope
Coined the term cell
Cell theory- everything is based on a cell
(1674)- perfected the simple microscope
Was selfish and wouldnt share technology, so when he pass
- Lack an organized nucleus.
- Have gel like cytoplasm but lack a variety of organelles .
- Have some chlorophyll dissolved in membranes.
- Have a well-defined nucleus; nuclear body with membrane aro