Cell Parts/ Life Processes/ Scientis (CT)

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Cell Membrane

Helps the transfer of materials in/out of the cell


Houses the DNA and acts as a control center for the cell

Rough ER

Serves as a communication network between the nucleus and the cell and organism

Smooth ER

Synthesizes lipids

Golgi Body

Packages and processes cell products


Synthesizes proteins


Conversion of chemical energy of food to chemical energy of ATP


Contains nucleotide units and ribosomes


Conversion of light energy to chemical energy of sugars (for plants)


Organizes the cell during cell division


Made of microtubules and microfilaments and supports the structure of the cell


Used for the replication of a cell


Sorts pigments that give fruits and floweres their color


Carries genetic information in the form of genes

Cell Wall

Made of various substances and provides external support for the cell


A cell's chemistry changes due to a stimulus from its enviroment


As a cell grows, its surface area to volume ratio gets smaller

Food getting

A method to get energy and building block molecules


A cell gets rid of the bi-products of its metabolism


Some cells get energy out of their food without using any oxygen


Cell products are packaged and shipped from the cell


Large molecules need to be broken down so that thier monomers can be used


All the molecules a cell needs must enter the cell some way


A cell builds needed molecules- they may be structural molecules, pigments, hormones or other signals


A gas exchange of oxygen for carbon dioxide occurs so that a cell may get the energy held in glucose molecules

Absorption, excretion, secretion

Major life process of cell membrane


Major life process of Nucleus


Major life process of Rough ER


Major life process of Smooth ER


Major life process of Golgi Body


Major life process of Ribosome


Major life process of Mitochondria


Major life process of Vacuole


Major life process of Lysosomes


Major life process of Nucleolus

Biosynthesis, food getting

Major life process of Chloroplast


Major life process of Centrosome


Major life process of Cytoskeleton


Major life process of Centrioles


Major life process of Chromoplast


Major life process of Chromosome

Absorption, excretion, secretion

Major life process of Cell Wall

Robert Hooke

observed a slice of cork with a compound microscope; used the word cell to describe the little boxes he saw

Anton Van Leeuwenhoek

observed pond water, sperm, and blood cells with a simple microscope; he did not know they were living cells

Henry Dutrochet

suggested that all living things were made up of cells, but did not understand the actual nature of living cells

Robert Brown

described a small round body in all plant cells and named it nucleus

Matthias Schleiden

thought all plants were cellular

Theodor Schwann

said all animals were cellular

Rudolph Virchow

stated that all new cells come from pre-existing cells

Felix Dujardin

described unicellular organisms

Dehydration Synthesis

-Means a cell can manufacture its own organic molecules
-This causes a cell to grow
-Biosynthesis occurs through this process

Active Transportation

-A cell uses energy to carry molecules/ions across the cell membrane
-Secretions are packages and leave the cell this way


-cells can break down toxins, food molecules or even worn out cell parts
-water is needed for digestion to occur


-the ultimate energy molecule cells make during respiration or fermentation

Passive Transport

-the cell does not need to use any of its own energy when molecules diffuse across the cell membrane
-wastes like oxygen and carbon dioxide leave the cell this way


-some cells trap the energy of light and make organic molecules

Alcohol or lactic acid

-this waste is made by some cells when they convert the enrgy of glucose

Metabolic waste

-the CO2 we exhale


-molecules naturally want to travel from areas of high concentrations to low


-animal cells must get building materials from other organisms

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