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Module 2 flashcards
Bio flashcards for the module 2 test
49
Biology
Undergraduate 1
02/12/2012

Additional Biology Flashcards

 


 

Cards

Term
POLYSACCHARIDES
Definition

Provide structural support of cell walls

Storage of excess carb energy in plants/animals

Dietary fiber in the digestive system of humans

Term
AMINO ACIDS
Definition

Made up of carbon, hydrogen, oxygen, and nitrogen. 

Amino acids serve as the building blocks of protein

Term
Proteins may differ due to...
Definition
The number and sequence of amino acids
Term
CELLULOSE
Definition
Forms the cell walls of plants
Term
PHOSPHOLIPIDS
Definition
The main components of cell membranes
Term

TRIGLYCERIDES

 

Definition

Fats and oils

Derived from glycerol and three fatty acids

Term
CHOLESTEROL
Definition

What sex hormones are derived from

An essential structural component of mammals' cell membranes

Required to establish proper membrane permeability/fluidity.

 

Term
ATP
Definition

Adenosine-5'-triphosphate

An energy form used in all cells

Term
DNA
Definition

An information molecule

Contained in the nucleus of eukaryotic cells

Contained in the plasmid of prokaryotic cells

Term
WATER
Definition
A polar molecule (has a hydrophilic head and a hydrophobic tail)
Term
GLYCOGEN
Definition
A carbohydrate stored in the liver/muscles
Term
ENZYMES
Definition
Proteins that catalyze chemical reactions
Term
GLUCOSE
Definition
The sugar circulating in blood vessels
Term
ESTROGEN
Definition
The steroid hormone produced in the ovaries
Term
INSULIN
Definition
The protein that regulates blood sugar levels
Term
SATURATED TRIGLYCERIDES
Definition

Solid at room temperature

Contains NO missing hydrogens

Term
UNSATURATED TRIGLYCERIDES
Definition

Usually produced by plants

Hydrogen missing from the carbon chain

Term
RNA
Definition

All three forms are needed to make proteins

Made up of a long chain of nucleotides

Encodes genetic information

Term
SUCROSE
Definition
A sugar transported through plant vessels
Term
PHLOEM
Definition
The living tissue in plants that carries organic nutrients, sucrose in particular
Term
STARCH
Definition

A polymer that provides long-term energy storage in plants.

Is a polysaccharide

Examples of starch-containing foods: wheat, corn, rice, and potatoes

Term
HEMOGLOBIN
Definition

A protein that transports oxygen

Found in red blood cells

 

Term
THE 4 GROUPS INTO WHICH ORGANIC MOLECULES ARE CLASSIFIED
Definition

Lipids

Carbohydrates

Proteins

Nucleic Acid

Term
CARBOHYDRATES
Definition

Fructose

Lactose

Sucrose

Glucose

Galactose

Glycogen

Cellulose

Starch

Term
LIPIDS
Definition

Saturated fat

Unsaturated fat

Phospholipid

Trans fat

Oil

Testosterone

Cholesterol

Estrogen

Term
PROTEINS
Definition

Enzymes

Hemoglobin

Amino acid

Lactase

Keratin

Collagen

Insulin

Term
NUCLEIC ACID
Definition

DNA

RNA

Term
HYDROGENATION
Definition

The commercial name for the process of converting unsaturated fats to saturated forms


 

Term
AMPHIPATHIC MOLECULES
Definition
Are both hydrophilic and hydrophobic
Term
LDL
Definition

Low-density liboprotein

"cholesterol packets"

Can lead to plaque formation and hardening of the arteries

Term
EUKARYOTES
Definition

DNA contained in nucleus

Internal structures organized into compartments

10X larger than prokaryotes

Cytoplasm contains specialized structures called organelles

Term
PROKARYOTES
Definition

No nucleus - DNA is in the CYTOPLASM

Internal structures not organized into compartments

 

Term
PROKARYOTIC CELL STRUCTURE
Definition

Four structures in all prokaryotes

Plasma membrane

Encloses cell contents: DNA, ribosomes, and cytoplasm

 

Term
CYTOPLASM
Definition
Refers to everything inside a membrane
Term
CYTOSOL
Definition
Jelly-like fluid inside a cell
Term
RIBOSOMES
Definition
Granular bodies in the cytoplasm that convert genetic information into protein structure
Term
DNA
Definition
One or more circular loops containing genetic information
Term
MITOCHONDRIA
Definition

Involved in energy conversion. 

Converts food to ATP

Term
NUCLEOTIDE
Definition

RNA/nucleic acid

A single nucleic acid = RNA

Term
TRANSPORT PROTEINS
Definition
Provide a passage for molecules to travel in/out of a cell
Term
RECEPTOR PROTEINS
Definition
Bind to external chemicals in order to regulate processes within the cell
Term
INVAGINATION
Definition

"To fold inward or to sheath"

Lysosomes

Vacuoles

Vesicles



Term
ENDOSYMBIOSIS
Definition

Endosymbionts are anything that lives within the body or cells of another organism.

Chloroplasts

Term
SER
Definition

"Smooth endoplasmic reticulum"

Lipid synthesis

Carbohydrate metabolism

Term
RER
Definition

"Rough endoplasmic reticulum"

A eukaryotic organelle

Manufactures... what?  WTF does this manufacture?  I hate this class so much I want to bash my head into a wall.

 

Term
GOLGI
Definition

Organelle found in most eukaryotic cells

Modifies and packages proteins inside a cell

 

Term
RIBOSOME
Definition

Synthesizes protein chains

Can be on the RER or the cytosol

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