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1st Exam
RIC
50
Biology
Undergraduate 2
02/21/2010

Additional Biology Flashcards

 


 

Cards

Term
Metabolism
Definition
All chemistry that happens in a cell
Term
All living things have 2 properties
Definition
Metabolism + Self perpetuation
Term
3 parts of Metabolism
Definition
Nutrition, respiration, and synthesis
Term
3 parts of Self perpetuation
Definition
Homestatic control mechanisms, reproduction, adaptation
Term
Cell theory
Definition
all living things are made up of cells
Term
Scientific method
Definition
observation, hypothesis, experiment, conclusion, theory
Term
Controlled experiment
Definition
control group and a manipulated group with an independent variable
Term
Ecosystem
Definition
Producers (plants), consumers (animals)
Term
Life's Three domains
Definition
Bacteria, Archaea (no nucleus), Eukarya (cells with nucleus)
Term
Eukarya's 4 Kingdoms
Definition
Plants, animals, fungi, & protista
Term
1st and 2nd law of thermodynamics
Definition
1. Energy is the capacity to do work.
2. All things in universe are moving towards chaos. Max entropy = disorder
Term
prokaryotic cell
Definition
no nucleus, no organelles
Term
Eukaryotic cell
Definition
has nucleus, membranes
Term
Biological organization
Definition
cell > tissue > organ > organ system > complex organism
Term
Matter
Definition
the substance that all objects are made of
Term
Atomic theory
Definition
All matter is made up of atoms
Term
Atom
Definition
made up of Neutrons, protons, and electrons
Term
chemical bond
Definition
group of atoms bonded to one another to form a molecule
Term
Ionic bond
Definition
giving/taking electrons
Term
Covalent bond
Definition
sharing electrons
Term
chemical reaction
Definition
when molecules or compounds change
Term
Water is _______ molecule
Definition
Polar
Term
Hydrogen bond
Definition
Hydrogen attracted to negative atoms
Term
pH scale
Definition
Bases higher than 7, Acids lower than 7. 10 times between each number
Term
Functional groups
Definition
OH group (hydroxyl), COOH group (Carboxyl, acid), amino group (NH2), Phosphate group
Term
4 organic molecules
Definition
carbohydrates, lipids, proteins, & nucleic acids
Term
Carbohydrates
Definition
monosaccharides, disaccharides, polysaccharides
Term
Isomer
Definition
same formula but organized differently (ex. glucose and fructose)
Term
Kinds of carbs
Definition
glucose, fructose, sucrose, cellulose (lots of glucoses), animal starch (glycogen)
Term
Dehydration synthesis (condensation)
Definition
loss of water due to chemical reaction
Term
Hydrolysis
Definition
opposite of Dehydration synthesis
Term
Lipids
Definition
Fats, oils, waxes & steroids
Term
Phospholipids
Definition
form lipid bilayers (two layers form a barrier around cell)
Term
Steroids
Definition
Have carbon skeletion. (cholesterol, testosterone, estrogen)
Term
Triglycerides
Definition
neutral fats (glycerol + 3 fatty acids = triglycerides + 3 H20)
Term
Proteins
Definition
Polymers (made up of smaller molecules) made by 20 different amino acids
Term
Peptide Bond
Definition
covalent bond between amino acids
Term
Primary structure of protein
Definition
amino acid sequence
Term
Enzymes
Definition
speed up chemical reactions
Term
Nucleic Acids
Definition
DNA % RNA. Function is GENETIC MATERIAL
Term
All cell's have a _______ membrane
Definition
Plasma. which encloses cytoplasm & nucleus
Term
Mitochondria
Definition
generate ATP (energy for cell) by oxidative respiration
Term
chloroplast
Definition
in plants, conduct PHOTOSYNTHESIS
Term
Fluid mosaic model
Definition
membrane is phospholipids, sterols, proteins, etc.
Term
endoplasmic reticulum
Definition
network of tubules and vesicles throughout cell
Term
Golgi
Definition
process material for secretion
Term
vesicles
Definition
Hold different things in cell
Term
Ribosomes
Definition
Protein synthesis
Term
3 things plants cells have that animal cells don't
Definition
Chloroplast, cell wall, central vacuole
Term
Centrioles
Definition
For cell division
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