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A View of the Cell
A View of the Cell

... Eukaryotic cells – these cells do have a nucleus, they do have organelles attached to the membrane. These cells can be much larger than prokaryotic cells. An organelle is a specialized structure in a cell that carries out a specific function. A “little organ.” ...
Cells: Prokaryote vs Eukaryote
Cells: Prokaryote vs Eukaryote

... pushes or pulls cell through water Made up of protein “tubulin” can be single, or a pair Moves back and forth like a whip ...
Cells Investigating cells 1- State what are the basic units of all living
Cells Investigating cells 1- State what are the basic units of all living

... 1- Nuclear division yes yes 2- Division of cytoplasm yes yes 3- New cell wall forming yes no 4- Separation into two daughter yes yes cells 1- Chromosomes get shorter and fatter. The cell is ready for mitosis. 2- Chromosome are attached to spindle fibres and positioned at the equator (plane at the ce ...
Cells in Anatomy
Cells in Anatomy

... Nucleus contains one or more nucleoli Sites of ribosome production Ribosomes move into the cytoplasm through nuclear pores Nucleolus ...
cell walls containing peptidoglycan
cell walls containing peptidoglycan

... 1. Write Review for test and turn in your Bellwork sheets. 2. For yesterday, write “packet” 3. Open your Journals. Make a new page called “Kingdoms Review” ...
5 kingdoms
5 kingdoms

... • eukaryotic organisms – can be photosynthetic, absorptive or ingestive. • Complex 1 cell (many organelles) • some move (cilia, flagella, pseudopodia); others don't • Ex. amoeba, diatom, euglena, paramecium, some algae (unicellular), etc ...
Bacteria Powerpoint MAIN
Bacteria Powerpoint MAIN

... Why are Monerans so successful?  Monerans have a Prokaryotic cell structure  Without monerans, life could not exist Monerans ….  Recyclers / Decomposers  At the bottom of the food chain  Provide a large portion of Earth’s oxygen ...
cell?? - Excellence Gateway
cell?? - Excellence Gateway

... The ER is the site of the synthesis of many substances in the cell and so provides a separate area in which this takes place. The cavities also function as a transporting system - substances can move through them from one part of the cell to another. There are 2 types of ER - rough (RER) and smooth ...
Cell Structure and Function
Cell Structure and Function

... States that M & C were prokaryotic organisms that were swallowed by another larger prokaryote 3-4 byo through a process called endocytosis. M & C were not digested but formed a: mutualistic symbiosis with their host. ...
Chapter 7: A tour of the cell
Chapter 7: A tour of the cell

... A nuclear matrix (like a cytoskeleton for the nucleus) of protein filaments maintains the shape of the nucleus Chromatin DNA is organized as chromatin (condenses prior to cell division as chromosomes) Each eukaryotic species has a characteristic # of chromosomes Nucleolus Assembles ribosome subunit ...
The Cell - Walton High
The Cell - Walton High

... • More on the eukaryotic cell in the next power point… • Wait… how did membranes and organelles evolve? ...
CellStructureFunction
CellStructureFunction

... • Holds genetic code and “machinery” for replication and transcription • Bounded by nuclear envelope (inner and outer membrane) • Present in every cell at some life-stage ...
Which one of the following functions is not helped by your skeleton
Which one of the following functions is not helped by your skeleton

... Which of the following controls what enters and leaves a cell? A. cell wall ...
Name_____________________ Date_______________ Unit 4
Name_____________________ Date_______________ Unit 4

... The purpose of mitosis is cell division: making two cells out of one. Each cell has to have its own cytoplasm and DNA. The DNA that replicated in Interphase when two chromosome strands became four strands (two strands per chromatid). In mitosis the four strands (two sister chromatids) have to break ...
Ch3CellStructurewphysio
Ch3CellStructurewphysio

...  Pores, receptors, and transport proteins in the nuclear envelope control the movement of molecules into and out of the nucleus  Nuclear envelope • A double membrane that constitutes the outer boundary of the nucleus ...
cell powerpoint
cell powerpoint

... Long protein strands found in the cell Provide support for the cell Help to maintain the shape of a cell Help in the movement of chromosomes when the cell divides Vital to the survival of the cell, if these proteins die the cell will loose it’s shape and die as well ...
Cell Structure
Cell Structure

...  Pores, receptors, and transport proteins in the nuclear envelope control the movement of molecules into and out of the nucleus  Nuclear envelope • A double membrane that constitutes the outer boundary of the nucleus ...
Cell Structure Answers Worksheet
Cell Structure Answers Worksheet

... mitochondria would be muscle cells as one example. 14. The nucleus contains DNA which makes the RNA that makes the proteins. Since hormones and enzymes are proteins which regulate many processes within individual cells of unicellular and multicellular organisms, the cell would not function very long ...
ap® biology 2013 scoring guidelines
ap® biology 2013 scoring guidelines

... Question 6 asks students to work with data about the contribution of cellular structures to specialized cellular functions. Students were presented with experimental observations about the relative amounts of specific organelles in three different cell types and asked to identify a likely function o ...
Cell Structure Gizmo 2
Cell Structure Gizmo 2

... 2. Compare: What structures are present in an animal cell, but not in a plant cell? __________ _________________________________________________________________________ What structures are present in a plant cell, but not in an animal cell? __________________ ________________________________________ ...
Bio Notes Cell Discovery
Bio Notes Cell Discovery

... composed of one or more cells In organisms, cells are the basic units of structure and function. All cells are produced only from existing cells. ...
Basic Structure of a Cell
Basic Structure of a Cell

... 10. What 2 DNA-containing organelles support Margulis theory of ENDOSYMBIOSIS? 11. What must be used to view most cells? 12. ______________, ______________, and ______________ are three basic types of cells. 13. What is the difference between unicellular and multicellular organisms? ...
Student notes part 1
Student notes part 1

... domain. • Eukaryotic cells have a nucleus which carries  its genetic material.  It also has membrane  bound organelles.  Almost all species of large  ...
Quick Reference Sheet
Quick Reference Sheet

... Organelles - Specialized structure within cells (e.g., nucleus, mitochondria, and endoplasmic reticulum). Nucleus - I. The distinctive organelle of a eucaryotic cell, consisting of a membranous envelope in which the chromosomes reside; II. a cluster of neuron cell bodies within the central nervous s ...
Chapter 3
Chapter 3

... • All life is “cellular” • Unicellular organisms like Archaea, Bacteria, protists • Multicellular eukaryotes like fungi, plants, and animals • Exceptions: Viruses are ‘acellular’ but exhibit life qualities when acting as a parasite within host cells ...
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Cell cycle



The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication (replication) that produces two daughter cells. In prokaryotes which lack a cell nucleus, the cell cycle occurs via a process termed binary fission. In cells with a nucleus, as in eukaryotes, the cell cycle can be divided into three periods: interphase, the mitotic (M) phase, and cytokinesis. During interphase, the cell grows, accumulating nutrients needed for mitosis, preparing it for cell division and duplicating its DNA. During the mitotic phase, the cell splits itself into two distinct daughter cells. During the final stage, cytokinesis, the new cell is completely divided. To ensure the proper division of the cell, there are control mechanisms known as cell cycle checkpoints.The cell-division cycle is a vital process by which a single-celled fertilized egg develops into a mature organism, as well as the process by which hair, skin, blood cells, and some internal organs are renewed. After cell division, each of the daughter cells begin the interphase of a new cycle. Although the various stages of interphase are not usually morphologically distinguishable, each phase of the cell cycle has a distinct set of specialized biochemical processes that prepare the cell for initiation of cell division.
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