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Chapter 2
Final Exam
46
Anatomy
Undergraduate 2
06/17/2015

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Cards

Term
What is an Atom? What is an Element?
Definition
Atom is the smallest unit of an Element, Element is a pure substance
Term
What accounts for 96% of your body's Atoms?
Definition
Carbon, Hydrogen, Oxygen, Nitrogen
Term
What contributes to Atomic Mass?
Definition
Protons and neutrons
Term
What contributes to the Atomic Number?
Definition
Protons
Term
What is a Compound?
Definition
Two or more different elements covalently bonded in definite proportions.
Term
What is the difference between covalent and ionic bonds?
Definition
Covalent is sharing, and ionic is giving away.
Term
What is the difference between Cation and Ation ?
Definition
Cation is positively charged, Ation is negatively charged.
Term
What is the difference between isotopes and isomers?
Definition
isotopes have different numbers of neutrons and isomers have same formula but different structure.
Term
what are electrolytes involved in?
Definition
Nerve and Muscle functioning
Term
What is structural isomers?
Definition
two molecules with the same atom but their structure is different.
Term
what is a mole?
Definition
23
6x10 of any substance.
Term
what are free radicals?
Definition
Can be formed from metabolic reactions, radiation damage & neutralized by antioxidants.
Term
What is a characteristic of ionic substances?
Definition
disassociates in water
Term
What is molarity?
Definition
number of moles per liter of soltuion
Term
What is oxidation and Reduction?
Definition
Oxidation your losing elctrons, Reduction you are gaining electrons
Term
What is a mole?
Definition
Number it takes to make gram atomic weight
Term
What is biological half life?
Definition
time it takes for half the atoms or molecules to be released from the body
Term
what is physical half life?
Definition
time it takes for half the radio active substance to decay to a stable state
Term
what type of bonding is responsible for the properties of water?
Definition
hydrogen bonds
Term
Can acid accept protons?
Definition
No, acids are proton donors
Term
What is the cohesion of water due to?
Definition
Hydrogen bonds
Term
What is adhesion?
Definition
An infinity of water for another substance. (ex. saran wrap to watermelon)
Term
What is the difference between hydrophilic and hydrophobic?
Definition
Hydrophilic likes water, Hydrophobic fears water.
Term
What is NH2?
Definition
Amino Group
Term
What is the equivalent of starch in humans?
Definition
Glycogen
Term
What are Hydration Spheres?
Definition
they are responsible of the phenomenon of salt completely disappearing in water.
Term
What is it called when you break apart atoms between bonds with additional water?
Definition
Hydrolysis
Term
What is the phenomenon of convection?
Definition
how sweating takes the heat away from the body
Term
What are the Organic Compounds?
Definition
Lipids, Carbohydrates, proteins, and Nucleic Acids
Term
What is Sucrose made up of?
Definition
Glucose and Fructose
Term
What is Lactose made up of?
Definition
Glucose and Galactose
Term
what is maltose made up of?
Definition
Glucose and Glucose
Term
How does the body reserve Carbohydrates?
Definition
Glycogen
Term
Where is Glycogen stored?
Definition
muscle, uterus, vagina, and liver
Term
What does an Enzyme act upon?
Definition
Substrate
Term
How does the body make Triglyceride?
Definition
Dehydration Synthesis
Term
What does Polyunsaturated have?
Definition
Double bonds
Term
What is the mother compound to all steroids?
Definition
Cholesterol
Term
What is the main lipid component of phospholipids?
Definition
two tails
Term
What happens to proteins at extreme temperatures?
Definition
denaturation
Term
Cofactor and Coenzyme organic or inorganic?
Definition
Cofactor is inorganic and coenzyme is organic.
Term
What do enzymes lower?
Definition
activation energy
Term
What is Aerobic Respiration?
Definition
mitochondria
Term
What is the molecule that is considered the second messenger in the cell?
Definition
Cyclic Amp (CAMP)
Term
What are nucleotides?
Definition
monomers of nucleic acids
Term
What does RNA do?
Definition
Carry out instructions of the DNA
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