Cell basics & structure
... Structure = Clear, jelly-like fluid that fills the cell a) Mostly water ...
... Structure = Clear, jelly-like fluid that fills the cell a) Mostly water ...
Looking Inside Cells
... • Rigid layer of nonliving material that surrounds the cells of plants – Protects the cell – Supports the cell ...
... • Rigid layer of nonliving material that surrounds the cells of plants – Protects the cell – Supports the cell ...
Mitosis
... Humans start out as a single cell, the zygote, formed by uniting a sperm and egg The zygote divides to make approximately one trillion cells During the process of dividing, cells become specialized to function in the various tissues and organs of the body Mitosis is the process of cell division in e ...
... Humans start out as a single cell, the zygote, formed by uniting a sperm and egg The zygote divides to make approximately one trillion cells During the process of dividing, cells become specialized to function in the various tissues and organs of the body Mitosis is the process of cell division in e ...
Cell Unit Notes
... Ex. Pancreas cell: Produces Insulin Ex. White blood cell: digests unwanted microbes D. CELL TYPES: all living organisms are classified into individual groups based on their cell type. a. Prokaryotic cell: lacks a nucleus and membrane bound organelles Ex. Bacteria only b. Eukaryotic cell: contain ...
... Ex. Pancreas cell: Produces Insulin Ex. White blood cell: digests unwanted microbes D. CELL TYPES: all living organisms are classified into individual groups based on their cell type. a. Prokaryotic cell: lacks a nucleus and membrane bound organelles Ex. Bacteria only b. Eukaryotic cell: contain ...
1. Organelle: A structure within a cell. 2. Chromosome: A threadlike
... • Before a cell can divide it needs to grow and increase the number of sub-cellular structures such as ribosomes and mitochondria. The DNA replicates to form two copies of each chromosome. • In mitosis one set of chromosomes is pulled to each end of the cell and the nucleus divides. • Finally the cy ...
... • Before a cell can divide it needs to grow and increase the number of sub-cellular structures such as ribosomes and mitochondria. The DNA replicates to form two copies of each chromosome. • In mitosis one set of chromosomes is pulled to each end of the cell and the nucleus divides. • Finally the cy ...
St. Bonaventure College and High School Form 4 Biology
... • Chloroplasts, like mitochondria, have a double membrane. • Internal membranes contain the green photosynthetic pigment chlorophyll, which absorbs light energy to make food through the process of photosynthesis. ...
... • Chloroplasts, like mitochondria, have a double membrane. • Internal membranes contain the green photosynthetic pigment chlorophyll, which absorbs light energy to make food through the process of photosynthesis. ...
m5zn_358668247357d9e
... Important: Chromosomes in eukaryotes • Found in the nucleus • Condensed and visible during cell division • At the beginning of mitosis they can be seen to consist of two threads (sister chromatids) joined by a centromere • The sister chromatids are identical copies • During mitosis the sister chrom ...
... Important: Chromosomes in eukaryotes • Found in the nucleus • Condensed and visible during cell division • At the beginning of mitosis they can be seen to consist of two threads (sister chromatids) joined by a centromere • The sister chromatids are identical copies • During mitosis the sister chrom ...
Cell Theory
... 3. Which scientist was the first to see living unicellular life forms under the microscope? ___________________________ 4. What are the 3 parts to the cell theory? _____________________________________________________________ _____________________________________________________________ ____________ ...
... 3. Which scientist was the first to see living unicellular life forms under the microscope? ___________________________ 4. What are the 3 parts to the cell theory? _____________________________________________________________ _____________________________________________________________ ____________ ...
1.2 Looking Inside Cells Guided Reading
... ________________________________________________________________________ ________________________________________________________________________ ...
... ________________________________________________________________________ ________________________________________________________________________ ...
Cell Reproduction___notes outline cell cycle mitosis
... each stage, how many cells are present and the chromosome number (n, 2n, 4n) present at each stage for each cell interphase – 3?s draw & label diagram w/ following parts: cell membrane, nuclear envelope, centriole, chromatin or chromatids mitosis – 3?s cytokinesis – 3?s draw & label animal ...
... each stage, how many cells are present and the chromosome number (n, 2n, 4n) present at each stage for each cell interphase – 3?s draw & label diagram w/ following parts: cell membrane, nuclear envelope, centriole, chromatin or chromatids mitosis – 3?s cytokinesis – 3?s draw & label animal ...
Cell Organelles
... in many plant cells: contains water, salt etc.. - forms over time as many smaller vacuoles fuse together – can be 80% of cells interior Smaller vacuoles found in animal cells - food vacuoles – form when a cell engulfs food - contractile vacuoles found in some freshwater protistspump out excess water ...
... in many plant cells: contains water, salt etc.. - forms over time as many smaller vacuoles fuse together – can be 80% of cells interior Smaller vacuoles found in animal cells - food vacuoles – form when a cell engulfs food - contractile vacuoles found in some freshwater protistspump out excess water ...
Diapositiva 1
... Cancer invades healthy tissues and compete with normal cells for oxygen, nutrients, and space Abnormal cells reproduce in the same way as normal cells, but they do not have the regulatory mechanisms to control growth The abnormal cell growth proliferates in an uncontrolled and unrestricted way ...
... Cancer invades healthy tissues and compete with normal cells for oxygen, nutrients, and space Abnormal cells reproduce in the same way as normal cells, but they do not have the regulatory mechanisms to control growth The abnormal cell growth proliferates in an uncontrolled and unrestricted way ...
Cell and Molecular Biology
... necrosis or (B and C) apoptosis. The cells in (A) and (B) died in a culture dish, whereas the cell in (C) died in a developing tissue and has been engulfed by a neighboring cell. Note that the cell in (A) seems to have exploded, whereas those in (B) and (C) have condensed but seem relatively intact. ...
... necrosis or (B and C) apoptosis. The cells in (A) and (B) died in a culture dish, whereas the cell in (C) died in a developing tissue and has been engulfed by a neighboring cell. Note that the cell in (A) seems to have exploded, whereas those in (B) and (C) have condensed but seem relatively intact. ...
Cell Organelles Worksheet
... Closely stacked, flattened sacs (plants only) Where proteins are made Transports materials within the cell The fluid inside the cell Organelle that manages or controls all the cell functions in a eukaryotic cell Contains chlorophyll, a green pigment that traps energy from sunlight and gives plants t ...
... Closely stacked, flattened sacs (plants only) Where proteins are made Transports materials within the cell The fluid inside the cell Organelle that manages or controls all the cell functions in a eukaryotic cell Contains chlorophyll, a green pigment that traps energy from sunlight and gives plants t ...
Chapter 12 The Cell Cycle - FacStaff Home Page for CBU
... that move toward the opposite poles of the cell. Replication continues while the origins of replication are at the poles. The cell continues to grow also until the bacterium is about twice its original size. Once replication is finished, the chromosomes separate and move toward the poles. The plasma ...
... that move toward the opposite poles of the cell. Replication continues while the origins of replication are at the poles. The cell continues to grow also until the bacterium is about twice its original size. Once replication is finished, the chromosomes separate and move toward the poles. The plasma ...
Slide 1
... separates the living environment from the nonliving environment. Controls what may enter or leave the cell. ...
... separates the living environment from the nonliving environment. Controls what may enter or leave the cell. ...
Science WebQuest 5/6 - Cells/MicroOrganisms File
... Click on the Microbiology book & answer the following questions: 10. This was the first antibiotic that was discovered. ________________________________ 11. This is used on patients that are allergic to penicillin. _____________________________ 12. These are chemical agents that were designed to kil ...
... Click on the Microbiology book & answer the following questions: 10. This was the first antibiotic that was discovered. ________________________________ 11. This is used on patients that are allergic to penicillin. _____________________________ 12. These are chemical agents that were designed to kil ...
Cells: The Living Units: Part D
... • End result: two DNA molecules formed from the original • This process is called semiconservative replication ...
... • End result: two DNA molecules formed from the original • This process is called semiconservative replication ...
Cell Division or Cell Reproduction
... – Chromosomes in the haploid cells are unique compared to each other and the original cell due to crossing over – Crossing over - process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. ...
... – Chromosomes in the haploid cells are unique compared to each other and the original cell due to crossing over – Crossing over - process in genetics by which the two chromosomes of a homologous pair exchange equal segments with each other. ...
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.