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107 Cards in this Set

  • Front
  • Back

Hydroxyl

-OH

Carbonyl

-C=O

Carboxyl

-COOH

Amino

-NH3+

Phosphate

-PO4-

Sulfhydryl

-SH

Lipids

Anything we can wash out with a nonpolar solvant


Fats

Triglyceride from animals and are solid at room temperature

Oils

Triglyceride from plants and liquid at room temperature

Triglycerides

Contains no polar (hydrophilic) groups. Store energy. Have 3 fatty acids and a glycerol molecule.

Saturated fatty acid

Fatty acid no double bonds between carbon atoms

Unsaturated fatty acid

Fatty acid that contains carbon atoms joined by double bonds

Phospholipids

Componants of cellular membranes. When put in water it creates a phospholipid bilayer.

Waxes

a lipid that is long chains of fatty acids plus various other functional groups. Generally solid and water repellent.

Cuticle

Keeps water in plants on the outside of the plant.

Suberin

Waxy substance used in some plant cell walls; inside of plants

Steroids

Used to stabilze membranes and not to have it collapse. Also causes animal hormones.

Trans Fatty Acid

unnatural; body is confused; hydrogen on opposite sides

Cis Fatty Acid

natural fats; hydrogen fats on the same sides

Proteins

Or polypeptides have lots of possible functions

Amino Acids

the monomer of proteins and its order is determined by the DNA

Peptide Bonds

A bond between carbon and nitrogen and is just like glycosidic links

Primary Structure

just a line of amino acids; order of amino acids determined by DNA

Secondary Structure

caused by hydrogen bonding between the amino acids; can be either beta pleated sheet or alpha helix; both are 3D

Tertiary Structure

caused by secondary structure folding on itself. The interaction from R groups lead to it and there's salt bridges between the R groups.

Salt Bridge

weak bond between R groups

Denaturation

when the weak salt bonds get disrupted by acid, whipping, or cooking

Quaternary Structure

When tertiary structured proteins fit together like a jigsaw puzzle.

Secondary Metabolites

Molecules found only in some plants

Alkaloids

Nitrogenous rings; bitter tasting; profound effects of animals



Morphine, Cocaine, Caffine, Nicotine



Can be addictive, or prevent the growth of competitors through allelopathy

Terpenoids

Derives from isoprene



Essential oils are for the fragrence of plants, attracts insects and warn off herbivores.

Phenolics

Biggest group and includes flavenoids, lignin, and salicylic acid.


Flavenoids

Has flavor so it'll be eaten and spread

Lignin

Adds compressive strength to cell walls

Salicylic Acid

Anti inflammatory, antimicrobial, and anti herbivory

Nucleotides

monomer of nucleic acid with a phosphate group, 5 carbon sugar, and a nitrogenous base

DNA

Information storage; primary structure of proteins; has a 3d double helix that is antiparallel and complementary

DNA Nitorgen Containing Bases

Adenine, Thymine, Guanine, Cytosine

RNA

involved in the syntheses of proteins based on genetic info provided by DNA; 2d structure that looks like a latter

RNA nitrogen containing bases

Adenine, Uracil, Guanine, Cytosine

ATP -> ADP

bonding process that creates energy

Monosaccharide

monomer of carbohydrates; general formula is (CH20)3 to 7



Glucose, fructose, ribose, deoxyribose

Dehydration Synthesis

Bonds by taking a water molecule out

Hydrolysis

Breaks bond by adding a water molecule

Disaccharide

2 sugars



Sucrose: fructose and glucose


Lactose: galactose and glucose


Maltose: glucose and glucose



You can't absorb a disaccharide until it's broken down into a monosaccharide

Oligosaccharide

3-10 sugars



Inulin: A plant that has soluable fiber. Causes gas because we can't break down fibers



Glycoproteins: In our immuse system and helps us identify bad things

Polysaccharide

More than 10 sugars



Starch: Used for energy storage through amylose (linear) or amylopectin (branched)



Glycogen: energy storage in animals and fungi



Cellulose: Plant structure molecule that holds up plants and is used in clothes



Chitin: Structure molecule in animals and fungi

Robert Hooke

Coined the term Cell

Anton Leeuwnhoek

Looked at bacteria and protozoans

Matthias Schleiden

Botanist that reported his obervations that all plant tissue consists of organized masses of cells

Theodor Schwann

Extended Schleiden's observation to animal tissues and proposed a cellular basis for all life

Rudolf Virchow

Generalized that cells can arise only from preexisting cells

(P) Cell Wall

Purpose is for shape and protection



Made of sugar and proteins

(P) Plasma Membrane

Purpose is to control movement into and out of cells and made out of phospholipid bilayer. Inside the cell wall.

(P) Necleoid

Purpose is to have the DNA.



Has DNA in a circular or ring like shape

Ribosomes (70S)

They assemble proteins into their primary structure



70S refers to their density and are always in bacterial cells.

Glycocalyx

External structure that helps attach to objects such as rocks or teeth. Made out of polysaccharides.

Flagella

Purpose is to help movement. Looks like a tail and is made out of protein.


Frimbrae

Purpose is to attach to soft tissues and is made out of proteins

(E) Plasma Membrane

Controls movement into and out of cells; made out of phospholipid bilayer

(E) Cytoplasm

Area inside of cell but not in the nucleus

(E) Cytosol

The liquid in the cytoplasm. The site of many chemical reactions.

(E) Organelles

Small organs that are membrane bound structures

Nucleus

Contains the DNA of the cell

Nuclear membrane

membrane that surrounds the nucleus



Purpose is that it limits access to the nucleus



Made out of a phospholipid bilayer

Nuclear Pores

Holes in the nuclear membrane that lets large objects or molecules out of the nucleus

Nucleoplasm

Area inside of the nucleus

Chromatin

Fibrous material inside of the nucleus



Made of DNA and histones



Nuclear DNA is long and threadlike (NOT circular)

Histones

Organizing proteins that can be found in the chromatin

Nucleolus

Where ribosomes are assembled



Ribosomes exit the nucleus through the nuclear pores

Plastids

Group of organelles only in plants. Because they all have their own DNA, a plastid can change into a different plastid.

Chroloplasts

Preform photosynthesis and causes the green color.



Plasma Membranes:


Inner - folded


Outer - smooth



Have bacterial ribosomes and DNA

ct DNA

Choloroplast DNA

Endosymbiotic Theory

One cell at another cell a long time ago and now they work together to function

Which organelles have their own DNA and Ribosomes?

Plastids and mitochondira

What type of DNA and Ribosomes do they have?

Prokaryotic or circular

Evidence of Endosybiotic Theory

There are bacterial cells in Eukaryiotic cells

Chromoplasts

Plastid that gives plants their color such as red, yellow, and orange. Contain ribosomes (70S) and contain their own circular DNA

Amyloplasts

Plastids that stores starch through amylose and amylopectin.



Have their own bacterial ribosomes and own DNA

Mitochondria

Where ATP synthesis happens



All cells have these organelles



Two plasma membranes:


outer - smooth


inner - folded



Has 70S ribosomes and circular DNA

mtDNA

Mitochondria DNA

Glyoxysomes

converts fats into sucrose

Perioxisomes

Spherical membrane bound organelles

Vacuole

stores water, sugars and proteins

Oil Bodies

Droplets of oil in the cytoplasm for energy storage



Not membrane bound (not really an organelle)

Ribosomes (80S)

Protein synthesis



Eukaryotic ribosomes that are not membrane bound

Endoplasmic Reticulum

a membrane system that is continuous with nuclear membrane



associated with chemical production and shipping through the cytoplasm

Rough ER

Covered in ribosomes (80S)



Synthesized proteins are taken into Rough ER and modified

Smooth ER

Associated with lipid synthesis

Golgi bodies

synthesis of chemicals and shipping to outside the cells via transport vesicles (secretory vesicles)

Cytoskeleton

internal support and shape; not membrane bound



Associated with cell division and movement



Microtubules: small tube


Actin Filament: solid thread


Flagella and Cilia

Flagella is longer than Cilia



They help move and are in sperm cells of some plants

Cellulose

Major component of the cell wall



Made by cellulose rosette proteins in the plasma membrane


Cellulose Rosette

Moves through the membrane following the cytoskeleton

Micelle

chain like cellulose molecules

Microfibril

a group of micelles

Hemicellulose

Holds microfibrils together like glue

Pectin

Cements 2 cells together

Lignins

Compressive strength in the cell wall

Waxes

mostly suberin that's in the cell wall and reduces water loss



Made in the Golgi complex and is deposited by vesicles

Primary Cell Wall

1st wall deposited by the cell

Middle Lamella

In the primary cell wall



2 adjoining cells that are high in pectin

Primary Pit Feilds

a cluster of plasmodesmata going through the primary cell wall

Plasmodesmata

holes through primary cell wall

Desmotubule

small segment of ER

Secondary Cell Wall

Inside of Primary



Causes the cell to not be able to increase in size



3 different layers



Cellulose fibrils are deposited in different directions for each layer

Pits

Sections of the secondary wall not deposited over primary pit fields



Gaps are called pits