Ancient Beech Glen Affric, Scotland

Ancient Beech Glen Affric, Scotland
The Wishing Tree (Goldberry)

Gaia Theory and All Life is Connected

The concepts of an interconnected earth are intriguing and measurable. As a botanist and microbiologist I have studied symbiotic relations that range from parasitic to symbiotic. Many indigenous people have understood these concepts longer than modern scientists. The Lakota Sioux state: “Mitakuye Oyasin,”which means, “To all of my relations.” It is a prayer of oneness and harmony with all forms of life: people, animals, birds, plants, insects, and even rocks. It is a reminder that we all share a common kinship within the hoop of life. Our bodies are composites of bacteria, and within our cells are remnants of ancient bacterial cells that are now mitochondria. Dr. Lynn Marguelis a famous botanist, and suppoter of James Lovelock Theory of Gaia states: "The only individuals on the planet are bacteria."

http://www.unreasonable.com/people/margulis/root.htm

http://www.lakotawritings.com/Sacred_Symbols.htm


Magi magnificentii

Magi magnificentii
Magi, Mycorrhiza and Antelope Island State Park

Friday, March 23, 2012

DNA Replication

March 23, 2012



Goal: Discover the enzymes that coordinate the replication of the "Thread of life,"

BELL QUIZ: Benchmark Biology Exam
Historical Flow: Watson & Crick, Rosalind Franklin Video (add main points to time-line flowchart).
Review DNA Structures
Complete Chargoff Data Abstract and Ratios Graph

DNA Replication Homework: DNA replication is the process whereby an entire double-stranded DNA is copied to produce a second, identical DNA double helix. Students will illustrate and label the seven steps of DNA Replication from the sequences from the video, 'DNA Replication from "Essential Biochemistry.'

http://www.wiley.com/college/pratt/0471393878/student/animations/dna_replication/index.html

The objectives of this exercise are to illustrate the stages of DNA Replication:

  1. Understand the functions of the seven proteins responsible for DNA replication, including helicase, SSB protein, primase, the sliding clamp, DNA polymerase, Rnase H and DNA ligase.
  2. Discover why the leading strand is synthesized continuously and the lagging strand is synthesized discontinuously.
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Wednesday, March 21, 2012

Mysterious DNA-"A historical perspective"

March 19-20, 2012



Academic Goal: Historical Examination of DNA Function & Structure.

Biologists in the 1940's were skeptical about DNA's involvement as genetic material based on the simplicity of its chemistry. Composed of only four types of nucleotides (Adenosine, Guanine, Cytosine and Thymine) that are linked covalently into a polynucleotide chain (a DNA strand) with a sugar-phosphate backbone from which the bases (A,C,G and T) extend. Years of research, from a variety of scientists contributed to our current understanding about the "Thread of life."

Daily Syllabus:
BELL QUIZ/Benchmark Exam (these will not be posted, if you miss class you will have to make them up in the library during lunch hour, or after school until 3:30.

Biology Inquiries: The Chargaff's DNA Data
Historical examination of how Chargaff contributed to DNA structure and the process of discovery that contributed to the double-helix model. Complete graph and questions with your 'research team.'

Create Flow-Chart on History of DNA:

Multimedia: VCU Secrets of the Sequence: Watch this video on the most pivotal moment in 21st Science: The Structure of DNA: Watson & Crick (Rosalind Franklin)
Learning goal 3
View more presentations from sgoldberry.
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