M1L2 Flashcards
are minute living things that individually are TOO SMALL TO BE SEEN BY THE NAKED EYE. The group includes bacteria, fungi (yeasts and molds), protozoa and microscopic algae. It also includes viruses which are microscopic but are regarded as non-cellular entities.
MICROORGANISM
are UNICELLULAR (single-celled) organisms. Because they have no nucleus, the cells are described as PROKARYOTIC.
BACTERIA
The three major shapes of bacteria
BACILLUS, COCCUS, SPIRAL
NO. OF CELL & CELL TYPE:
Bacteria
unicellular, prokaryotic
NO. OF CELL & CELL TYPE:
Fungi
unicellular / multicellular, eukaryotic
NO. OF CELL & CELL TYPE:
Algae
uni/multi, eukaryotic
NO. OF CELL & CELL TYPE:
Virus
acellular, has DNA or RNA but never both
NO. OF CELL & CELL TYPE:
Protozoa
uni, eukaryotic
NO. OF CELL & CELL TYPE:
Helminths
multi, eukaryotic
EUKARYOTE:
nucleus
true
EUKARYOTE:
nuclear membrane
present
EUKARYOTE:
chromosomes
linear
EUKARYOTE:
cytoplasm
present
EUKARYOTE:
ribosomes
80s; 60s larger, 40s smaller
EUKARYOTE:
mitochondria
present
EUKARYOTE:
lysosomes
present
EUKARYOTE:
chlorophyll
present w/ chloroplast
EUKARYOTE:
cell membrane
sterol membrane