vitamins | | | antibody production | | | oxygen generation via photosynthesis | View Feedback | | Correct! | Question 2 | | 1 / 1 point | The cell theory states that ________ are made up of cells. | | protozoa | | | archaea | | | plants | | | all living things | | | animals | Question 3 | | 1 / 1 point | In Pasteur’s swan-neck flask experiment‚ the importance of the S-shaped curves in the flasks was twofold. The curves allowed entry of air‚ and yet
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Archeozoic Era The Archeozoic Era stretches from about 3.8 billion to 2.5 billion years ago. Traditionally‚ the beginning of the Archean is defined to coincide with the oldest rocks discovered. As recent discoveries have pushed back the earliest dated rocks to about 4.0 billion years old‚ the beginning of the Archean has also been pushed back correspondingly. However‚ most texts still continue to date the beginning to 3.8 billion years ago. As the Late Heavy Bombardment (LHB) ended with the Hadean
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DNA replication is a biological process that occurs in all living organisms and copies their DNA; it is the basis for biological inheritance. The process starts when one double-stranded DNA molecule produces two identical copies of the molecule. The cell cycle (mitosis) also pertains to the DNA replication/reproduction process. The cell cycle includes interphase‚ prophase‚ metaphase‚ anaphase‚ and telophase. Each strand of the original double-stranded DNA molecule serves as template for the production
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Aseptic Technique and Culturing Microbes Lab 3 Brittney Case August 4th 2013 Section: Mic 101 Microbiology Session 1 Abstract: The Purpose of this experiment is to gain knowledge of how to properly use aseptic techniques to transfer cultures‚ learning about cultured media and how to distinguish various types of microbial growths as well as what is required for them to grow properly. Hypothesis: This exercise will allow me to gain knowledge of how to properly use aseptic techniques
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that consists of only one cell‚ unlike a multicellular organism that consists of multiple cells. Historically the simple single celled organisms have sometimes been referred to as monads.[1] The main groups of unicellular organisms are bacteria‚ archaea‚ protozoa‚ unicellular algae and unicellular fungi. Unicellular organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms.Unicellular organisms are believed to be the oldest form of life‚ possibly existing 3.8 billion
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toxin or poison) is a small infectious agent that can replicate only inside the cells of other organisms. Viruses are too small to be seen directly with alight microscope. Viruses infect all types of organisms‚ from animals and plants to bacteria and archaea. [1] Since the initial discovery of tobacco mosaic virus by Martinus Beijerinck
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Terms and People to know Amino acids- pairs in DNA: Cytosine with Guanine and Adenine with Thymine Archaea- DNA- DNA’s double structure allows replication Dust Bunnies- Uniformitarianism- laws of nature have not changed over time Snow line- Trace Fossils- Ozone- Stromatolites- Planet Embryos- Rodinia- Prokaryotic cells- last universal common acestor‚ heat-loving‚ heterotroph Siccar Point‚ Scotland- has the unconformity of angular unconformity Moraine- poor sorted glaciall till Erratics-
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South University Online Eukaryotic organelles Living things have evolved into three categories of closely related organisms‚ called "domains": Archaea‚ Bacteria‚ and Eukaryota. Life as we see it each day — including plants and animals — belongs to the third domain‚ Eukaryota. Eukaryotic cells are a more complex opposed to prokaryotes (simpler based cells)‚ and the DNA is linear and found within
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organelles - Simple structure - All organelles (developed) - Much more complex Reproduction - Binary fission - Mitosis (somatic)‚ meiosis (gametes) Examples - Bacteria‚ archaea - All other cells (kingdoms) Classification 3 Domains Archaea‚ bacteria‚ eukarya (protists‚ plants‚ animals‚ fungi) 6 Kingdoms Bacteria‚ archaea‚ plants‚ animals‚ fungi‚ protists Taxonomy Created by Carolus Linnaeus Classified using morphology of organisms All species given a Latin scientific name Hierarchy
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Introduction The Permian was the last period during the Paleozoic era. It occurred approximately 299 million years ago and was the point in time in which much of the earth’s land mass came together to form the supercontinent‚ Pangea. While years of study has relieved the climate conditions and life forms present during this period‚ the events surrounding the mass extinction that signified its end remains a mystery today. The end-Permian mass extinction is regarded as the largest mass extinction
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