'Circular chromosome' presentation slideshows

Biology EOC Highlight Review

Biology EOC Highlight Review. Courtesy of Mr. S. Russillo. Organic Compounds. All living things are made of organic compounds. Contain the element Carbon Carbohydrates, Proteins, Lipids, Nucleic Acids. Carbohydrates. Monomer- monosaccharide Function- energy source and structure

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Chapter 3: Cell Structures

Chapter 3: Cell Structures. 3.2: Cell Features and Cell Organelles . Buck Salinas 2012. The Cell Theory. 1938: Mattias Schleiden concluded cells made up every part of a plant 1939: Theodor Schwann claimed that animals were also made of cells

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Cell Division (chapter 12 and 13)

Cell Division (chapter 12 and 13). AP Biology Miss Hanna. Cell Division. Process by which cell produces more of their kind Prokaryotes- binary fission Eukaryotes- mitosis and meiosis. Prokaryote. Simple single-celled organism without nucleus Genetic material

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Diversity

Diversity. Domain Kingdom Phylum Class Order Family Genus Species. Archaea. - Single celled prokaryotes that reproduce asexually 4 major phyla Extremophyles Have cell walls with no peptidoglycan Diverse metabolic pathways. Bacteria cell Wall. Archaea. Methanogens

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DNA and RNA

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Unit 5b

Unit 5b. Regulation of the Cell Cycle Asexual Reproduction Cancer. Cell division in our life cycle. Telomeres. Cell Cycle. M (mitosis). G1 (Gap 1). G2 (Gap 2). Cells that cease division. S (DNA Synthesis). Telomeres. a protective section of DNA at the end of each chromosome.

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AP Biology

AP Biology. Lecture #46 Prokaryotes. Domain Bacteria. Domain Archaea. Domain Eukarya. Common ancestor. Prokaryotes. Domain Bacteria Domain Archaebacteria. Bacteria. Bacteria are classified into two kingdoms: Eubacteria (true bacteria) and Archaebacteria (Ancient Bacteria).

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Chapter 18

Chapter 18. Overview of Bacteria. Cellular Evolution. Current evidence indicates that eukaryotes evolved from prokaryotes between 1 and 1.5 billion years ago Two theories: 1. Infolding theory 2. Endosymbiotic theory. Infolding Theory.

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The Cell Cycle & Cancer

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Cells: Basic Structures & Functions

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6 Kingdom Classification System

6 Kingdom Classification System. Organisms. Prokaryotes very tiny simple cells no true nucleus no organelles. Eukaryotes larger more complex cells have a nucleus have numerous organelles. Cell Wall. No Cell Wall. Autotrophs make their own food by photo- synthesis. Heterotrophs

1.83k views • 23 slides

Protist Evolution

Protist Evolution. BIOL 1407. Domain Eukarya is Sister Taxon to Domain Archaea. Prokaryotes vs. Eukaryotes. Evolution of Cytoskeleton. Some bacteria have proteins similar to actin & tubulin Actin = MreB Tubulin = FtsZ More info: http://www.palaeos.com/Eukarya/Eukarya.Origins.3.html

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Phylogeny and Systematics

Phylogeny and Systematics. By: Ashley Yamachika. Biologists use systematics They use systematics as an analytical approach to understanding the diversity and relationships of organisms, both present-day and extinct.

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Classification & the New Taxonomy

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Prokaryotes

Prokaryotes. Chapter 23. Features of Prokaryotes. Cellular organisms In one of two domains: Archaea and Eubacteria Generally smaller than eukaryotes Most are unicellular, some form colonies or filaments No membrane-enclosed organelles Ribosomes are located in the cytoplasm

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Cell Cycle

Cell Cycle. Functions. GROWTH. REPRODUCTION. REPLACEMENT. Genome. Entire set of DNA in each cell of an org Normally one circular chromosome in prokaryotes. Binary Fission. Single chromosome replicates One pulls away Membrane & wall separate cell. Binary Fission.

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Cell biology

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Functional Anatomy of Prokaryotic and Eukaryotic Cells

4. Functional Anatomy of Prokaryotic and Eukaryotic Cells. Prokaryotic Cells. Comparing prokaryotic and eukaryotic cells Prokaryote comes from the Greek words for prenucleus. Eukaryote comes from the Greek words for true nucleus. One circular chromosome, not in a membrane No histones

357 views • 11 slides

DNA, RNA, and Protein

DNA, RNA, and Protein. Replication Transcription Translation. Semi-conservative Replication. Occurs during S phase of cell cycle DNA unwinds, at replication fork, via helicase DNA polymerase makes 2 copies of DNA Complementary base pairing: A=T, G = C

180 views • 11 slides