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60 terms

Cell Parts/ Life Processes/ Scientis (CT)

STUDY
PLAY
Cell Membrane
Helps the transfer of materials in/out of the cell
Nucleus
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
Ribosome
Synthesizes proteins
Mitochondria
Conversion of chemical energy of food to chemical energy of ATP
Nucleolus
Contains nucleotide units and ribosomes
Chloroplast
Conversion of light energy to chemical energy of sugars (for plants)
Centrosome
Organizes the cell during cell division
Cytoskeleton
Made of microtubules and microfilaments and supports the structure of the cell
Centrioles
Used for the replication of a cell
Chromoplast
Sorts pigments that give fruits and floweres their color
Chromosome
Carries genetic information in the form of genes
Cell Wall
Made of various substances and provides external support for the cell
Response
A cell's chemistry changes due to a stimulus from its enviroment
Reproduce
As a cell grows, its surface area to volume ratio gets smaller
Food getting
A method to get energy and building block molecules
Excretion
A cell gets rid of the bi-products of its metabolism
Fermentation
Some cells get energy out of their food without using any oxygen
Secretion
Cell products are packaged and shipped from the cell
Digestion
Large molecules need to be broken down so that thier monomers can be used
Absorption
All the molecules a cell needs must enter the cell some way
Biosythesis
A cell builds needed molecules- they may be structural molecules, pigments, hormones or other signals
Respiration
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
Reproduction
Major life process of Nucleus
Biosynthesis
Major life process of Rough ER
Biosynthesis
Major life process of Smooth ER
Secretion
Major life process of Golgi Body
Biosynthesis
Major life process of Ribosome
Respiration
Major life process of Mitochondria
Excretion
Major life process of Vacuole
Digestion
Major life process of Lysosomes
Biosynthesis
Major life process of Nucleolus
Biosynthesis, food getting
Major life process of Chloroplast
Reproduction
Major life process of Centrosome
Reproduction
Major life process of Cytoskeleton
Reproduction
Major life process of Centrioles
Reproduction
Major life process of Chromoplast
Reproduction
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
Hydrolysis
-cells can break down toxins, food molecules or even worn out cell parts
-water is needed for digestion to occur
ATP
-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
Photosynthesis
-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
Diffusion
-molecules naturally want to travel from areas of high concentrations to low
Heterotroph
-animal cells must get building materials from other organisms