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Protista
Protista

Cells: Prokaryote vs Eukaryote
Cells: Prokaryote vs Eukaryote

... mitochondria, and convert the glucose into energy the cell can use. ...
C7- A View of the Cell
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... studies have shown that the transcription factor Prospero (Pros) represses R8related characteristics in R7-based PRs. Xie et al. now extend these studies by showing that sens can both induce R8-like characteristics and repress R7related features in terminally differentiating PRs in vivo. They also s ...
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Chapter 4 PowerPoint
Chapter 4 PowerPoint

... Prokaryotic Cells • Simplest organisms • Lack a membrane-bound nucleus – DNA is present in the nucleoid ...
Chapter 4 PowerPoint.ppt
Chapter 4 PowerPoint.ppt

... Prokaryotic Cells • Simplest organisms • Lack a membrane-bound nucleus – DNA is present in the nucleoid ...
CONTROLLED DELIVERY OF FLUORESCENT LABELS INTO LIVE
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... beneficial over the typically used gold nanoparticles (AuNP), since they are more resistant against the pulsed laser irradiation for vapor nanobubble (VNB) generation (Figure 1). Consequently, the same set of nanoparticles can be used for repeated photoporation and, therefore, the gradual delivery o ...
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... • German scientist who studied animals -- zoologist • Saw that all animals he studied were cellular so concluded: “All animals are made of cells.” ...
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... the microtubules, microfilaments and intermediate filaments. We will discuss each of these in considerable detail in later chapters. Here you should get a general idea as to their function, but do not focus on their structure at this time. Cell Structure Factory Analogy—We talked about how the parts ...
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Characteristics of Living Things and Cell Structure and Function PPT

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... Cancer cells do not respond to the signals that regulate the growth of most cells. As a result, the cells divide uncontrollably. Cancer is a disorder in which body cells lose the ability to control cell growth. Cancer cells divide uncontrollably to form a mass of cells called a ...
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... 3. The job of cells in the plant _____ is primarily to transport food and water to the rest of the plant, store some food and support the plant. 6. The trillions of tiny cells that make up your body are very efficient units when it comes to getting resources to the _____ within them. 10. A plant's _ ...
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Characteristics of Living Things and Cell Structure and

... b. There are two broad categories of cells: 1) prokaryotic—no organized nucleus nor membrane bound organelles; found in bacteria and cyanobacteria 2) eukaryotic—do have an organized nucleus and membrane-bound organelles such as Golgi apparatus and mitochondria. All other organisms such as plants an ...
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... 6. State which phases of meiosis create variation in the gametes 7. Compare mitosis and meiosis with regards to starting cells, ending cells, ploidy, and genetic similarity between cells. ...
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... Introduction: Living things are made of cells. All cells have parts that do certain jobs. Cells have an outer covering called the cell (plasma) membrane. The cell membrane controls what enter/exits a cell. The clear jellylike material inside the cell is the cytoplasm. The nucleus is the control cent ...
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Name: Date: Period: Cell Organelles Worksheet[1].doc Organelle

Prokaryotic Cells
Prokaryotic Cells

... Plastids found only in plants and photosynthetic protists ...
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Cells - Quia

...  observed organisms that were unicellular and multicellular.  observed common cell structures such as membranes and nuclei.  made comparisons of various animal and plant tissues. ...
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... They are analogous to the frame for a house. 1. They help to maintain the integrity (functioning) of system. B. Oligodendrocytes - This term refers to the Schwann cells of the CNS. Same type of cells; just in a different location. Schwann Cells - This term refers to the insulating cells in the PNS. ...
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ALE #1
ALE #1

... cell. They formed a mutualistic association with these cells, and eventually could not exist independently of these cells. The evidence in support of this hypothesis is that both mitochondria and chloroplasts have their own DNA and divide on their own, independently from the rest of the cell (whose ...
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Mitosis



Mitosis is a part of the cell cycle in which chromosomes in a cell nucleus are separated into two identical sets of chromosomes, each in its own nucleus. In general, mitosis (division of the nucleus) is often followed by cytokinesis, which divides the cytoplasm, organelles and cell membrane into two new cells containing roughly equal shares of these cellular components. Mitosis and cytokinesis together define the mitotic (M) phase of an animal cell cycle—the division of the mother cell into two daughter cells, genetically identical to each other and to their parent cell.The process of mitosis is divided into stages corresponding to the completion of one set of activities and the start of the next. These stages are prophase, prometaphase, metaphase, anaphase, and telophase. During mitosis, the chromosomes, which have already duplicated, condense and attach to fibers that pull one copy of each chromosome to opposite sides of the cell. The result is two genetically identical daughter nuclei. The cell may then divide by cytokinesis to produce two daughter cells. Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication). Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations.Mitosis occurs only in eukaryotic cells and the process varies in different organisms. For example, animals undergo an ""open"" mitosis, where the nuclear envelope breaks down before the chromosomes separate, while fungi undergo a ""closed"" mitosis, where chromosomes divide within an intact cell nucleus. Furthermore, most animal cells undergo a shape change, known as mitotic cell rounding, to adopt a near spherical morphology at the start of mitosis. Prokaryotic cells, which lack a nucleus, divide by a different process called binary fission.
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