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Cellular Structure and Function
Cellular Structure and Function

... category of cells. They are usually larger and more complex. Eukaryotic cells contain a nucleus and other structures called organelles. Organelles are specialized structures that carry out specific functions. The nucleus contains the genetic material for the cell. Organisms that are made up of eukar ...
File
File

... 15) Plasma membranes are permeable to A) large hydrophilic molecules such as starch. B) small ions such as Na+. C) nonpolar molecules such as CO2. D) hydrophilic molecules such as glucose. 16) In the plasma membrane, the phospholipid heads A) are hydrophilic and face outward towards the aqueous sol ...
incredible_cell_project
incredible_cell_project

... Grades will be based on the following questions: Is your name on the project? Is the cell type identified? Is your model a 3-D replica of a plant or animal cell? Are all the organelles included? (13 for plants cells, 10 for animal cells) Are the organelles correctly labeled? Each organe ...
9th CBSE {SA - 1} Revision Pack Booklet-5
9th CBSE {SA - 1} Revision Pack Booklet-5

Immunology - University of Montana
Immunology - University of Montana

... Anti microbial peptides called defensins and cathelicidins are innate immune factors present in airway surface liquid and make up part of the lung's natural defences (Bals et al, 1998; Bals et al, 1998; Singh et al, 1998). These peptides are produced by several different cell types including airway ...
animal cells - The City School
animal cells - The City School

Chapter 3 Notes File
Chapter 3 Notes File

... • Primary structure of a cell membrane is a double layer of phospholipid molecules (Figure 2-25) – Heads are hydrophilic (water-loving) – Tails are hydrophobic (water-fearing) – Molecules arrange themselves in bilayers in water – Cholesterol molecules are scattered among the phospholipids to allow t ...
VIRUSES ARE NOT ALIVE BUT AFFECT LIVING THINGS
VIRUSES ARE NOT ALIVE BUT AFFECT LIVING THINGS

... to reproduce often bursting out & destroying the host cell. (some just hide in cell or just make 1 virus at a time & not be as harmful) • About 25 million people died of influenza virus in outbreak after WWI. • Plant viruses can stunt growth & kill plants • Plant, animals, bacteria & all other livin ...
Microscopes
Microscopes

... Summarized findings about cells 1. All living things are composed of cells. 2. Cells are the basic units of structure and function in living things. 3. New cells are produced from existing cells. ...
Characteristics of Life
Characteristics of Life

... single parent produces offspring that are identical to the parent; most unicellular org. reproduce this way ...
Name
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... the diaphragm to provide the best light. After examining the leaf on low power, examine with the high power magnification. Plant leaves are typical producer cells surrounded by a thick non-living boundary called the cell wall. Pressed tightly against the cell wall, is a very thin, living cell membra ...
The History of the Cell
The History of the Cell

... a drop of pond water. These living things were microscopic and could not be seen without a microscope. By 1800, better microscopes were being made. Many plant and animal cells were being studied. Two scientists, Matthias Schleiden and Theodor Schwann had many ideas about cells. These ideas were put ...
Cell Biology of Cancer
Cell Biology of Cancer

... the regulation of the cell cycle and the control of cell growth. The conversion of a proto-oncogene to an oncogene can occur in many different ways and typically is a multi-step process driven by carcinogens, chemical or physical agents that cause cancer. RNA tumour viruses contain oncogenes as part ...
Unit 2 Section 3 Answer Key - WAHS
Unit 2 Section 3 Answer Key - WAHS

... called the cell wall. The cell wall is made of nonliving materials called cellulose. The centrosome (also called the :microtubule organizing center”) is a small body located near the nucleus. The centrosome is where microtubules are made. During cell division (mitosis), the centrosome divides and th ...
Ch.-7-Cellular-Structure-and-Function-Notes
Ch.-7-Cellular-Structure-and-Function-Notes

... a. Protect cell by digesting bacteria and viruses that enter the cell. 7. Centrioles: groups of microtubules that function during cell division a. Located in the cytoplasm in animal cells near the nucleus. 8. Mitochondria: converts sugars into usable energy a. Has highly folded inner membrane that p ...
Slide 1
Slide 1

... Cilia and flagella move when microtubules bend  Both flagella and cilia are made of microtubules wrapped in an extension of the plasma membrane  A ring of nine microtubule doublets surrounds a central pair of microtubules – This arrangement is called the 9 + 2 pattern and is anchored in a basal b ...
Cell City Project Name: Introduction: Cells, the basic unit of life, can
Cell City Project Name: Introduction: Cells, the basic unit of life, can

... Introduction: Cells, the basic unit of life, can be compared to a school, factory, or even an entire city. These cells are busy with the business of life. They are at work releasing energy from foods, using that energy to make needed cell parts. Together, your cells function to make your body operat ...
Plant Cell
Plant Cell

... observed under the microscope “cells.” • Comes from the Latin word cella which means “little rooms”. • Unicellular: one cell – bacteria. • Multicellular: many cells –humans have over 200 different types of cells (blood, bone, skin) and an estimated 100 trillion total cells. ...
full press release.
full press release.

... applications in collaborative projects with several Crick research laboratories. These include the development of specialised imaging techniques, technology and data analysis. Live cell imaging is one of the areas of particular emphasis. With this in mind along with the aim to keep the facility up t ...
Score 3.0 The student will understand cell theory and be able
Score 3.0 The student will understand cell theory and be able

... o Identify the processes that cells use to maintain homeostasis (including extracting energy from food, getting rid of waste, reproducing). o Identify the structure and function of major organelles of plant and animal cells (cell wall, cell membrane, nucleus, cytoplasm, chloroplasts, mitochondria, v ...
HW 2.4: Unit 2 Review
HW 2.4: Unit 2 Review

... Put  a  STAR  next  to  any  question  you  could  not  answer  without  using  your  notes. CLG  3.2.1  A:    Organelles   In  the  Venn  Diagram  below,  place  the  following  words  in  their  correct  location  to  show   if ...
Science Vocabulary: Cells and Behavior Traits
Science Vocabulary: Cells and Behavior Traits

... rigid (stiff) than the cell membrane. It provides the plant with its shape and stiffness. 8. Chloroplast: chloroplasts are found in the cytoplasm of a plant cell. Chloroplasts contain a green substance called chlorophyll. 9. Chlorophyll: Chlorophyll is the green pigment needed by plants to make food ...
lec 005v2 tour of cell - faculty.piercecollege.edu
lec 005v2 tour of cell - faculty.piercecollege.edu

... A. Pseudopods, or “false feet”: A dynamic lobe of membrane-enclosed cytoplasm; functions in motility and capture of prey. B. Microfilaments that elongate in the lobe also push it forward. C. Localized contraction brought about by actin and myosin also plays a role in amoeboid movement in which a cel ...
Cell Transport Review - hrsbstaff.ednet.ns.ca
Cell Transport Review - hrsbstaff.ednet.ns.ca

... _______________ 7. A solution in which the concentration of dissolved substances is lower than the concentration inside a cell is hypertonic. _______________ 8. The internal pressure of a plant cell is called turgor pressure. _______________ 9. In passive transport, the movement of particles across ...
Chapter 7
Chapter 7

... – Inside the inner membrane is • a thick fluid called stroma that contains the chloroplast DNA, ribosomes, and many enzymes and • a network of interconnected sacs called thylakoids. • In some regions, thylakoids are stacked like poker chips. Each stack is called a granum, where green chlorophyll ...
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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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