Summary Outline 01
... 1 Excellent model organisms to study 2 Grow rapidly and follow the same genetic, metabolic and biochemical principles as higher organisms 1.3 The Microbial World A. Two major cell types 1 The simple prokaryotic 2 The complex eukaryotic B. Three domains—based on the chemical composition and cell stru ...
... 1 Excellent model organisms to study 2 Grow rapidly and follow the same genetic, metabolic and biochemical principles as higher organisms 1.3 The Microbial World A. Two major cell types 1 The simple prokaryotic 2 The complex eukaryotic B. Three domains—based on the chemical composition and cell stru ...
Small Things Considered
... proto-mouth leads to the possibility of evolution toward something like phagocytosis and pinocytosis. We may yet find processes that resemble phagocytosis among the prokaryotes. We should start looking, perhaps, among the cell wall-less bacteria and archaea, which could conceivably form vacuoles by ...
... proto-mouth leads to the possibility of evolution toward something like phagocytosis and pinocytosis. We may yet find processes that resemble phagocytosis among the prokaryotes. We should start looking, perhaps, among the cell wall-less bacteria and archaea, which could conceivably form vacuoles by ...
Lecture VII – Prokaryotes – Dr
... At one point or another, you have studied these metabolic themes as they occur Eukaryotes and perhaps Prokaryotes; photosynthesis(eg,in green plants and respiration (eg in all Eukaryotes) Prokaryotes show tremendous diversity in metabolic process.in that they have evolved dozens of variations on the ...
... At one point or another, you have studied these metabolic themes as they occur Eukaryotes and perhaps Prokaryotes; photosynthesis(eg,in green plants and respiration (eg in all Eukaryotes) Prokaryotes show tremendous diversity in metabolic process.in that they have evolved dozens of variations on the ...
Document
... Some Characteristics of Bacteria and Archaea • The domains Bacteria and Archaea consists of single-celled organisms. These two domains consist of the oldest forms of life on Earth. • The Shape of Bacteria Bacilli are rod shaped. Cocci are spherical. Spirilla are long and spiral shaped. Each shape he ...
... Some Characteristics of Bacteria and Archaea • The domains Bacteria and Archaea consists of single-celled organisms. These two domains consist of the oldest forms of life on Earth. • The Shape of Bacteria Bacilli are rod shaped. Cocci are spherical. Spirilla are long and spiral shaped. Each shape he ...
18.4 Bacteria and Archaea
... 18.4 Bacteria and Archaea Bacteria and archaea are structurally similar but have different molecular characteristics. • Bacteria commonly come in three forms. – rod-shaped, called bacilli – spiral, called spirilla or spirochetes – spherical, called cocci Lactobacilli: rod-shaped ...
... 18.4 Bacteria and Archaea Bacteria and archaea are structurally similar but have different molecular characteristics. • Bacteria commonly come in three forms. – rod-shaped, called bacilli – spiral, called spirilla or spirochetes – spherical, called cocci Lactobacilli: rod-shaped ...
A virus, or virion, is a tiny particle consisting of a DNA or RNA
... energy from light or chemoautotrophs (chemosynthetic autotrophs) that obtain energy by oxidizing inorganic chemical's. 3. Most bacteria are aerobic; some are facultative anaerobes that can metabolize anaerobically when necessary; others are obligate anaerobes that can carry on metabolism only anaero ...
... energy from light or chemoautotrophs (chemosynthetic autotrophs) that obtain energy by oxidizing inorganic chemical's. 3. Most bacteria are aerobic; some are facultative anaerobes that can metabolize anaerobically when necessary; others are obligate anaerobes that can carry on metabolism only anaero ...
Bacterial Classification Lecture(3)
... bacteria and taxonomic categories and for the ranking of them in the International Code of Nomenclature of Bacteria. The term "bacteria" was traditionally applied to all microscopic, single-cell prokaryotes. However, molecular systematics showed prokaryotic life to consist of two separate domains, o ...
... bacteria and taxonomic categories and for the ranking of them in the International Code of Nomenclature of Bacteria. The term "bacteria" was traditionally applied to all microscopic, single-cell prokaryotes. However, molecular systematics showed prokaryotic life to consist of two separate domains, o ...
Bacteria and Viruses
... Capsules and Pili Capsule is made of polysaccharides and protects the cell against drying or harsh chemicals, or in the case of pathogens, the hosts white blood cells. Pili: short, hair-like protein structures on the surface. Help bacteria connect to each other and to surfaces such as the host cell ...
... Capsules and Pili Capsule is made of polysaccharides and protects the cell against drying or harsh chemicals, or in the case of pathogens, the hosts white blood cells. Pili: short, hair-like protein structures on the surface. Help bacteria connect to each other and to surfaces such as the host cell ...
01 - ermshouse72
... 10. Cells with a nucleus are called ______________________. 11. What are three ways that prokaryotes are like eukaryotes? _______________________________________________________________ _______________________________________________________________ __________________________________________________ ...
... 10. Cells with a nucleus are called ______________________. 11. What are three ways that prokaryotes are like eukaryotes? _______________________________________________________________ _______________________________________________________________ __________________________________________________ ...
“Put that in the Form of a Question, Please!”
... Linnaeus placed organisms into groups based on the ...
... Linnaeus placed organisms into groups based on the ...
Ch 20 Viruses and Prokaryotes
... Yogurt, sauerkraut, and buttermilk Digest petroleum and remove human-made waste from water Synthesize drugs and chemicals. ...
... Yogurt, sauerkraut, and buttermilk Digest petroleum and remove human-made waste from water Synthesize drugs and chemicals. ...
Quantum Well Electron Gain Structures and Infrared Detector Arrays
... that A. aeolicus is one of the most “divergent” bacteria known • I.e. it has little in common with many of the other bacteria • This and others led to the reclassification of 3 “Domains” of life on the basis of genetic linkage: • Archea • Bacteria • Eukaryota ...
... that A. aeolicus is one of the most “divergent” bacteria known • I.e. it has little in common with many of the other bacteria • This and others led to the reclassification of 3 “Domains” of life on the basis of genetic linkage: • Archea • Bacteria • Eukaryota ...
chapter-1-evaluate-lesson-2-classifying-organisms
... people to classify organisms. He classified animals based on the presence of “red blood”, an animal’s environment, shape, and size. He classified plants according to the structure and size of the plant and whether it was a tree, shrub, or herb. Determining Kingdoms In the 1700’s, Carolus Linnaeu ...
... people to classify organisms. He classified animals based on the presence of “red blood”, an animal’s environment, shape, and size. He classified plants according to the structure and size of the plant and whether it was a tree, shrub, or herb. Determining Kingdoms In the 1700’s, Carolus Linnaeu ...
Eubacteria and Archaebacteria
... • Chemoautotrophs- they use inorganic compounds like hydrogen sulfide and ammonia to create energy as well as producing their own compounds for growth. • Some evolutionary scientists believe that the first organisms to inhabit Earth were heterotroph which ate organic compounds from the environment a ...
... • Chemoautotrophs- they use inorganic compounds like hydrogen sulfide and ammonia to create energy as well as producing their own compounds for growth. • Some evolutionary scientists believe that the first organisms to inhabit Earth were heterotroph which ate organic compounds from the environment a ...
DR10.1a Bacteria and Archaea
... _____ 28. archaea that live in swamps and animal intestines c. heat lovers 29. What kind of environment do archaea prefer? Give two examples. _______________________________________________________________ _______________________________________________________________ 30. What is one difference bet ...
... _____ 28. archaea that live in swamps and animal intestines c. heat lovers 29. What kind of environment do archaea prefer? Give two examples. _______________________________________________________________ _______________________________________________________________ 30. What is one difference bet ...
Bacteria Notes
... How do Bacteria and Archaea differ? Domain Bacteria Structural: Peptidoglycan in cell wall Molecular: Simple RNA polymerases ...
... How do Bacteria and Archaea differ? Domain Bacteria Structural: Peptidoglycan in cell wall Molecular: Simple RNA polymerases ...
Name: Date 6th grade - ______ Mrs. Collazo Science I. Questions: 1
... 2. Which is not one of the three major domains? a. Archaea b. Fungi c. Bacteria d. Eukarya 3. Which domain includes the "extremophiles," organisms often found living in extreme conditions? a. Archaea b. Prokarya c. Bacteria d. Eukarya 4. This domain contains plants, animals, fungi and protists. a. A ...
... 2. Which is not one of the three major domains? a. Archaea b. Fungi c. Bacteria d. Eukarya 3. Which domain includes the "extremophiles," organisms often found living in extreme conditions? a. Archaea b. Prokarya c. Bacteria d. Eukarya 4. This domain contains plants, animals, fungi and protists. a. A ...
Bacteria and Archaea
... • Differ from eukaryotic cells, how? • Pathogens, decomposers, symbiotes ...
... • Differ from eukaryotic cells, how? • Pathogens, decomposers, symbiotes ...
Moneran/Prokaryotic Organism Subclassification Kingdom? Division
... Moneran/Prokaryotic Organism Subclassification All members of these groups are prokaryotic. The Archaee differ from the Eubacteria in that Archaea have introns, cell membrane lipids with ether binds rather than ester bonds between glycerol and fatty acids, lack peptidoglycan (cell wall polymer) whic ...
... Moneran/Prokaryotic Organism Subclassification All members of these groups are prokaryotic. The Archaee differ from the Eubacteria in that Archaea have introns, cell membrane lipids with ether binds rather than ester bonds between glycerol and fatty acids, lack peptidoglycan (cell wall polymer) whic ...
Andrew Hoff
... 2. Carl Woess worked with thermophiles/extremophile such as methanogens that live in the intestines and mud. He looked for phylogenetic similarities in G-C ratios, cytochromes, and isozymes. A unique comparison that he identified was in the 70s ribosome, more specifically the 30s subunit. Two thirds ...
... 2. Carl Woess worked with thermophiles/extremophile such as methanogens that live in the intestines and mud. He looked for phylogenetic similarities in G-C ratios, cytochromes, and isozymes. A unique comparison that he identified was in the 70s ribosome, more specifically the 30s subunit. Two thirds ...
Archaea
The Archaea (/ɑrˈkiːə/ or /ɑrˈkeɪə/ ar-KEE-ə or ar-KAY-ə; singular archaeon) constitute a domain or kingdom of single-celled microorganisms. These microbes are prokaryotes, meaning that they have no cell nucleus or any other membrane-bound organelles in their cells.Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this classification is outdated. Archaeal cells have unique properties separating them from the other two domains of life, Bacteria and Eukaryota. The Archaea are further divided into four recognized phyla. Classification is difficult because the majority have not been studied in the laboratory and have only been detected by analysis of their nucleic acids in samples from their environment.Archaea and bacteria are generally similar in size and shape, although a few archaea have very strange shapes, such as the flat and square-shaped cells of Haloquadratum walsbyi. Despite this visual similarity to bacteria, archaea possess genes and several metabolic pathways that are more closely related to those of eukaryotes, notably the enzymes involved in transcription and translation. Other aspects of archaeal biochemistry are unique, such as their reliance on ether lipids in their cell membranes. Archaea use more energy sources than eukaryotes: these range from organic compounds, such as sugars, to ammonia, metal ions or even hydrogen gas. Salt-tolerant archaea (the Haloarchaea) use sunlight as an energy source, and other species of archaea fix carbon; however, unlike plants and cyanobacteria, no known species of archaea does both. Archaea reproduce asexually by binary fission, fragmentation, or budding; unlike bacteria and eukaryotes, no known species forms spores.Archaea were initially viewed as extremophiles living in harsh environments, such as hot springs and salt lakes, but they have since been found in a broad range of habitats, including soils, oceans, marshlands and the human colon, oral cavity, and skin. Archaea are particularly numerous in the oceans, and the archaea in plankton may be one of the most abundant groups of organisms on the planet. Archaea are a major part of Earth's life and may play roles in both the carbon cycle and the nitrogen cycle. No clear examples of archaeal pathogens or parasites are known, but they are often mutualists or commensals. One example is the methanogens that inhabit human and ruminant guts, where their vast numbers aid digestion. Methanogens are used in biogas production and sewage treatment, and enzymes from extremophile archaea that can endure high temperatures and organic solvents are exploited in biotechnology.