Flashcards in Exam 1 Deck (45)
Microbes include what categories?
Fungi (yeast & molds)
Marine and freshwater microbes form the basis of what?
Food chain in oceans, lakes, and rivers
Humans need microbes in their intestines for what?
Synthesis of vitamins ( b and k)
What is nomenclature?
System for naming organisms
What are the two terms used for nomenclature and their properties?
First word: genus (always caped)
Second : specific epithet (species name) (not capped)
Prokaryotes include what and why?
Bacteria (no membrane around genetic material)
What is binary fission?
Process of reproducing by dividing into two equal cells
What are the 3 subspecies of Archaea and their properties?
1. Methanogens (produce methane)
2. Extreme halophiles (salty environment)
3. Extreme thermophiles (live in hot sulfurous water)
Archaea is not know to cause..?
Disease in humans
What are the common shapes of bacteria?
1. Bacillus (rodlike)
2. Coccus (spherical or oval)
3. Spiral (corkscrew)
Nucleus surrounded by protective envelope containing DNA
What is mycelia?
Visible masses of molds
How does fungi reproduce?
Sexually or asexually
How do bacteria reproduce?
Protozoa are what type of microbe?
How do Protozoa move?
Pseudopods, flagella, and cilia
How do Protozoa reproduce?
Sexually or asexually
What type of microbe is algae?
Wide variety of shapes
How does algae reproduce
Sexually and asexually
What is the cell wall of algae consist of?
A carbohydrate called cellulose
What cellular is a virus?
acellular (not cellular)
What cellular is fungi
Can be both unicellular or multicellular
A virus has what as it's core?
A core only made up of one type of nuclei acid either DNA or RNA
What surrounds the nucleic acid in a virus?
protein which is sometimes encased by a lipid membrane
Animal parasites are what cellular?
Animal parasites are what kind of microbe?
What are the two major groups of animal parasites?
What are both groups of the animal parasite collectively called?
Systematic or phylogeny
Study of the evolutionary history of organisms
The 3 call types are based on what?
What are the three domains?
According to the endosymbiotic theory which cell type came first?
And fungi are all part of what domain?
What kind of cells are in the archaea domain?
Pro cells that lack peptidoglycan
A group of closely related organisms that breed among themselves
A group of similar families
Group of similar orders
All phyla that are related
All related kingdoms
Morphological characteristics means what
Studies serum and immune responses that are evident in the serum