Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
Microorganisms
|
bacteria, viruses, fungi, protozoa, helminths (worms), algae
|
|
|
prokaryotes
|
(pre-nucleus), simple cells, microscopic, unicellular organisms, lack nuclei and membrane-bound organelles
|
|
|
eukaryotes
|
(true nucleus), complex cells, microscopic, unicellular and multicellular, nucleus and membrane-bound organelles
|
|
|
viruses
|
acellular, parasitic particles composed of a nucleic acid and protein
|
|
|
parasites
|
live on orin the body of another organism called the host and it damages the host
|
|
|
commensal bacteria
|
live on or in the body of another organism called the host but do not cause damage
|
|
|
opportunistic pathogen
|
is an infectious microorganism that is normally a commensal or doesn't harm its host but can cause disease when the host's resistance is low
|
|
|
pathogen
|
microbes that does harm to the host
|
|
|
Antonie can Leeuwenhoek
|
(1632-1723) made first microscope, proved the theory of biogenesis- idea that living things can only arise from other living things
|
|
|
hypothesis
|
tentative explanation that can be supported or refuted
|
|
|
theory
|
when a hypothesis is supported by a growing body of evidence and survives rigorous scrutiny
|
|
|
variable
|
aspect that can change
|
|
|
placebo effect
|
make ourselves feel better
|
|
|
single blind study
|
only patient doesn't know
|
|
|
double blind study
|
the patient and the researcher do not know
|
|
|
phylogeny
|
natural relatedness between groups of organisms.
|
|
|
evolution
|
all new species originate from preexisting species, closely related organisms have similar features because they evolved from common ancestral forms
|
|
|
bacteria
|
true bacteria
|
|
|
archaea
|
odd bacteria that live in extreme environments
|
|
|
eukarya
|
have a nucleus and organelles
|
