Bio 103

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Cell Theory

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Chapters 3-4 (Exam 2)

65 Terms

1

Cell Theory

States that: A cell is the smallest unit of life that makes up all living things. Cells can only come from preexisting cells.

<p>States that: A cell is the smallest unit of life that makes up all living things. Cells can only come from preexisting cells.</p>
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2

Prokaryotic cells

Don’t have a nucleus or plasma-bound organelles

Grows by binary fission and reproduces using conjunction pili.

<p>Don’t have a nucleus or plasma-bound organelles</p><p>Grows by binary fission and reproduces using conjunction pili.</p>
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3

Eukaryotic cells

Have a nucleus (a plasma sack with DNA) and plasma-bound organelles (lysosomes and vacuoles) Grows by mitosis and reproduces using meiosis

<p>Have a nucleus (a plasma sack with DNA) and plasma-bound organelles (lysosomes and vacuoles) Grows by mitosis and reproduces using meiosis</p>
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4

Cell membrane

Forms a boundary to control what goes in or out of a cell.

<p>Forms a boundary to control what goes in or out of a cell.</p>
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5

Cytoplasm

Biological goo with monosaccarides

<p>Biological goo with monosaccarides</p>
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6

Ribosomes

Reads mRNA and makes protien

<p>Reads mRNA and makes protien</p>
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7

DNA

Prokaryotic: Circular Plasmid

Eukaryotic: Linear Straight

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8

Cell wall

Only fungi and plants

<p>Only fungi and plants</p>
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9

Flagella

For movement both cell type have this, but in eukarya its just sperm cells

<p>For movement both cell type have this, but in eukarya its just sperm cells</p>
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10

Plasma membrane

controls what goes in or out of the cell

<p>controls what goes in or out of the cell</p>
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11

Phospholipids

The most important part of the plasma membrane that has a bond at the tails causing a bilayer that allows water to cross pass.

<p>The most important part of the plasma membrane that has a bond at the tails causing a bilayer that allows water to cross pass.</p>
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12

Proteins

Controls what can cross the plasma membranes

<p>Controls what can cross the plasma membranes</p>
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13

Channel protein

Makes the molecule a specific hole for a particle to pass through the membrane

<p>Makes the molecule a specific hole for a particle to pass through the membrane</p>
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14

Pump protein

Uses ATP to move big molecules like glucose

<p>Uses ATP to move big molecules like glucose</p>
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15

Cell recognition protein

Helps the immune system

<p>Helps the immune system</p>
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16

Receptor protein

binds molecules

<p>binds molecules</p>
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17

Charbohydrates

help the immune system know self from nonself

<p>help the immune system know self from nonself</p>
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18

Cholesterol

Keeps plasma membrane stable

<p>Keeps plasma membrane stable</p>
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19

Fluid mosaic model

Explains how the plasma membrane functions

<p>Explains how the plasma membrane functions</p>
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20

Simple diffusin

Moving from an area of high concentration to low concentration without using any ATP

<p>Moving from an area of high concentration to low concentration without using any ATP</p>
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21

Facilitated diffusion

Moving from high concentration to low concentration with a protein and no ATP energy (Faster)

<p>Moving from high concentration to low concentration with a protein and no ATP energy (Faster)</p>
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22

Active Transport

Using ATP to move things

<p>Using ATP to move things</p>
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23

Endocytosis

Cell brings in a lot of molecules all at one time. The cell does this by using the cell membrane to pinch inward to make a vesicle

<p>Cell brings in a lot of molecules all at one time. The cell does this by using the cell membrane to pinch inward to make a vesicle</p>
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24

Phagocytosis

When a cell eats another organism

<p>When a cell eats another organism</p>
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25

Exocytosis

Moving a lot of molecules out of a cell at one time

<p>Moving a lot of molecules out of a cell at one time</p>
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26

Organelle

Tiny organ inside a cell with a specific function

<p>Tiny organ inside a cell with a specific function</p>
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27

Nucleus

Plasma membrane sack of DNA. DNA can’t leave the nucleus

<p>Plasma membrane sack of DNA. DNA can’t leave the nucleus</p>
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28

mRNA

Messenger RNA which can leave the nucleus

<p>Messenger RNA which can leave the nucleus</p>
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29

Endomembrane system

Plasma membrane-bound organelles inside the cell

<p>Plasma membrane-bound organelles inside the cell</p>
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30

Rough Endoplasmic Reticulum (ER)

Ribosome attached membrane sack for protein folding

<p>Ribosome attached membrane sack for protein folding</p>
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31

Smooth Endoplasmic Reticulum (ER)

Plasma membrane sack that makes lipids and detoxifies cells

<p>Plasma membrane sack that makes lipids and detoxifies cells</p>
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32

Golgi Apparatus

Folding proteins

<p>Folding proteins</p>
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33

Lysosome

Enzyme responsible for breaking down engulfed particles and old organelles.

<p>Enzyme responsible for breaking down engulfed particles and old organelles.</p>
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34

Vacule

Storing stuff i.e. Lipids and water

<p>Storing stuff i.e. Lipids and water</p>
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35

Cytoskeleton

Organelles giving cells their shape and structure

<p>Organelles giving cells their shape and structure</p>
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36

Microtubule

Protein rods that are made to be a highway for the motor proteins

<p>Protein rods that are made to be a highway for the motor proteins</p>
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37

Filament

Protein rod near cell membrane which helps give shape as well as muscle contractions

<p>Protein rod near cell membrane which helps give shape as well as muscle contractions</p>
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38

Motor Proteins

Move molecules across the cell (Each Step uses 1 ATP energy Molecule)

<p>Move molecules across the cell (Each Step uses 1 ATP energy Molecule)</p>
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39

Energy Cells/System

Organelles making energy molecules

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40

Chloroplast

Has 3 separate membranes and has its own DNA separate from the nucleus. This organ preforms photo synthesis

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41

Mitochondrion

Has 2 separate membranes and has its own DNA separate from the nucleus. This cell performs Aerobic Cellular Respiration by turning glucose into ATP energy

<p>Has 2 separate membranes and has its own DNA separate from the nucleus. This cell performs Aerobic Cellular Respiration by turning glucose into ATP energy</p>
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42

Endosymbiosis Theory

Explains why some eukaryotic cells have chloroplasts and mitochondrion organelles

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43

Brownian Motion Theory

All molecules are constantly moving and go from high to low concentration without using energy (simple diffusion)

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44

Osmosis

Water moving

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45

Green tube experiment

Water moves from low concentration to high causing osmosis

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46

Isotonic

Same solute: water ratio on the inside and outside of the cell.

<p>Same solute: water ratio on the inside and outside of the cell.</p>
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47

Hypertonic

One solution has more solute causing the water to flow out of the cells making them shrivel and die

<p>One solution has more solute causing the water to flow out of the cells making them shrivel and die</p>
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48

Hypotonic

One solution has less solute and more water this is because the water flows into the cell. Plant cells will stay healthy, but animal cells will pop/burst.

<p>One solution has less solute and more water this is because the water flows into the cell. Plant cells will stay healthy, but animal cells will pop/burst.</p>
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49

Antibiotic

A chemical that kills prokaryotic and bacteria cells

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50

Energy

Capacity to do work

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51

Kinetic Energy

Motion energy

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52

Potential Energy

Stored Energy

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53

ATP

Adenine triphosphate most common form of energy

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54

Thermodynamics

Energy laws that all biological systems follow

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55

Law number 1

Energy cannot be created or destroyed but can change from one form to another.

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56

Law number 2

Energy cannot change from one for to another without loss of usable energy (Heat)

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57

Cellular Motabolism

All chemical reactions inside a cell

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58

Metabolic Pathway

Specific sequence of enzymes turning inputs into outputs

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59

Big Theme

Biological systems are lazy and want to do the most work with the least amount of effort

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60

Enzyme

protein with a specific shape that if broken won’t work anymore.

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61

Denature

Changing the shape of an enzyme. Things that can cause denature are: Heat, pH, Salt/salinity

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62

Catabolic

Bond breaking

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63

Anabolic

Bond Making

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64

Lactuse

Breaks lactose disaccharide into a monosaccharide

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65

Trypsin

Turns milk protein casein into a morphine analog

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