Intro and Chapter 1 Flashcards
(43 cards)
This cell has a true nucleus
eukaryotic cell
This cell has a nucleus and membranous organelles
eukaryotic cell
Animal cells/plant cells/fungi/protozoa fall into this cell category
eukaryotic cell
This cell has no true nucleus
prokaryotic cell
DNA is found on the chromosome or a chromosome in the cytoplasm of this cell
prokaryotic cell
This cell does not contain membranous organelles
prokaryotic cell
This cell is unique to bacteria and archaea
prokaryotic cell
Single-celled prokaryotic organism
Bacteria
Cells that lack polysaccharide, peptidoglycan in their cell walls
Archaea cells
Can grow in extreme environments
Archaea cells
Ribosomes are the only organelles in this cell
Bacteria
Not major players in human disease
Archaea cells
Cell membrane of bacteria is made primarily of…?
phospholipids in a bilayer structure (no cholesterol)
3 functions of bacteria cell walls:
1) Maintain cell shape
2) protect against osmotic shock
3) anchors the flagella
Composed of repeating sugars
Peptidoglycan
Peptidoglycan chains are held together by short protein compose of only ___
4 amino acids
Fungi (eukarya) may be single-celled called:
yeasts
Fungi (eukarya) may be multicellular-cells called:
molds
Eukaryotic cells that are HETEROTROPHIC require…?
Require outside source for energy/ATP
Fungal diseases that might involve respiratory tract, the skin, or even cause systemic infection are called
Mycoses
Unicellular organisms that cuase a number of GI diseases
Protozoa
Multicellular worms
Helminths (ex: tapeworms, flukes, roundworms)
The Spontaneous Generation (abiogenesis) theory states taht:
Living organisms came from non-living material
Credited with observing the first live microorganisms
Leeuwenhoek