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Comp Review
question & answers
72
Biology
Undergraduate 2
04/09/2011

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Term
If you have a substance through a cell with no energy is it:
Definition
Active Osmosis Endocytosis or facilitated diffusion
Term
The spead of molecules evenly through a cell
Definition
Basic Diffusion
Term
Move MG. ions from high concentration to low concentration of Mg.
Definition
Diffusion
Term
a protein that catalyzes specific chemical reactions without being consumed by them.
Definition
Enzyme
Term
Speeds up reactions by lowering activation energy
Definition
Enzyme
Term
C6H12O6 +6O2-----38ATP +6CO2 +6H2O
Definition
Cellular Respiration
Term
Small molecules bonding into macromolecules
Definition
Anabolic
Term
Large macromalocules breaking apart into smaller molecules
Definition
Catabolic
Term
Use of a protein carrier; High to Low concentration
Definition
Facilitated diffusion
Term
Movement low to high concentration requiring energy (ATP)
Definition
Active transport
Term
Solution outside the cell is higher to the inside;Water leaves the cell and the cell_________.
Definition
Hypertonic; Shrinks
Term
Solution outside the cell is lower to inside; water enters the cell and the cell_________.
Definition
Hypotonic; Swells
Term
The most high energy compound in an organism is____________?
Definition
ATP
Term
Movement of water across a biological membrane by simple diffusion; High to Low of water
Definition
Osmosis
Term
Movement of a substance from a region where it is more concentrated to a region where it is less concentrated w/o using energy
Definition
Simple Diffusion
Term
Semipermiable; allows passage in & out;made up of a bilayer of phospholipids
Definition
Cell membrane
Term
Control center
Definition
Nucleous
Term
UPS station
Definition
Golgi
Term
Which organell is in high quantity
Definition
Mitochondria
Term
Cellular debris engulfed within the cell
Definition
Phagocytosis
Term
Fluid into the cell, takes water in
Definition
Pinocytosis
Term
Vesicles moving large particles out of the cell
Definition
Exocytosis
Term
Vesicles moving large particles into the cell
Definition
Endocytosis
Term
Packaging and movement into and out of the cell
Definition
Vesicles
Term
What structure is responsible for production of ribosomes/
Definition
Nucleous
Term
Five qualities that constitute life are?
Definition
Organization, structure=function
Energy use &metabolism
Maintenance of internal constancy (homeostasis)
reproduction, growth and development
irritability & adaption (response to stimuli
Term
Hierarchy small to large
Definition
Atom, molecule,organelle, cell, tissue, organ, organ system, multicellular organism, population community, ecosystem, & biosphere
Term
The ability to keep things constant is?
Definition
Homeostasis
Term
Scientific method
Definition
Observe, hypothesis, experiment, & conclude
Term
What are the bulk elements (macronutrients)?
Definition
Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus & sulfer
Term
Which four element make up 96% of the body?
Definition
Carbon, Hydrogen, Oxygen, & Nitrogen
Term
Nucleus is the core of?
Definition
An Atom
Term
What charge and mass does a proton have?
Definition
Negative, 1amu
Term
Protons are in the______?
Definition
Nucleus
Term
Neutrons are__________ charged with a mass of________?
Definition
Neutrally, 1amu
Term
Most likely location of electrons is?
Definition
Orbitals
Term
How much weight do electrons have?
Definition
None they float in shells
Term
What controls chemical behavior?
Definition
Electrons
Term
pH range is_______? Acid________? Base__________? Neutral_________?
Definition
0-14, 0-6.99, 7.01-14, 7
Term
Number of protons in the nucleus of an atom? What is the indication when the atonm is neutral/
Definition
Atomic number, nuber of electrons
Term
Average # of protons & neutrons in the nucleus of an atom.
Definition
Atomic mass
Term
How do you find the average # of neutrons?
Definition
Subtract the atomic number from the atomic mass
Term
An electronically charged atom unequal # of protons & neutrons
Definition
Ion
Term
Loss of electrons?
Gain of electrons?
Definition
Cations
Anions
Term
What are the four major types of molecules?
Definition
Carbohydrates, lipids, protiens,& Nucleic acids
Term
Examples of Carbohydrates
Definition
Sugars & starches
Term
Function of carbohydrates
Definition
To store energy, provide support & identify cells
Term
Building blocks of carbohydrates
Definition
Monosachharides
Term
Funtion of lipids is to
Definition
Cushion organs as insulation, long term energy storage necessary for utilization of some vitamins & keep cell membrane fluid
Term
Examples of lipids are?
Definition
Fats and oils
Term
Building blocks of lipids are
Definition
Fatty acis
Term
Highly diverse molecules are?
Definition
Proteins
Term
Function of proteins are?
Definition
Structural= movement & support
Regulatort= Transport, catalysis, enzymes
Term
Building blocks of proteins
Definition
Amino acids
Term
Carriers og genetic blueprint are
Definition
Nucleic Acids
Term
Function of nucleic acids are to?
Definition
Transfer genetic information.
Term
Two types of nucleic acids are
Definition
DNA & RNA
Term
Nucleous exports RNA instructions through the?
Definition
Nuclear pores
Term
Site of protein synthesis
Definition
Cytoplasm
Term
mRNA forms a complex with ribosomes to rRNA subunits & moves to the surface of the RER wher what is made?
Definition
Polypeptides
Term
If you are an organelle_______ is responsible for__________?
Definition
Mitochondria, Aerobic respriration
Term
Enzymes in smooth ER manufacture_______?
Definition
Lipids
Term
Final process & packaging of proteins is in the________?
Definition
Golgi Apparatus
Term
Proteins & lipids are released from the cell or are incorporated into the________?
Definition
Cell Membrane
Term
Mitochondria extract energy from ___?
Definition
Nutrients
Term
Provides plant cells with nutrients
Definition
Chloroplasts = Photosynthesis
Photon to chemical energy
Term
Outermost shell of any particular atom is the
Definition
Valence Shell
Term
Easiest to break, + on one side - on the other
Definition
Hydrogen bonds
Term
In_________ electrons are shared.
Definition
Covalent Bonds
Term
In_________ electrons are donated and accepted
Definition
Ionic bonds
Term
Weak acids and bases that maintain the pH of body fluids
Definition
Buffer Systems
Term
Main cellular source?
Definition
ATP
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