Term
What are the three main tenets of the cell theory? |
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Definition
cell is the basic unit of life, all living organisms are composed of cells, cells come from pre-existing cells |
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Term
What are the four things that all cells contain? |
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Definition
plasma membrane, cytoplasm, ribosomes, and DNA |
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Term
Are ribosomes membrane bound organelles? |
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Definition
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Term
What do prokaryotes lack compared to eukaryotes? |
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Definition
nucleus and membrane bound organelles |
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Term
Where does a phototroph get its energy from? |
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Definition
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Term
Where does an autotroph get its carbon from? |
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Definition
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Term
Where does a heterotroph get its carbon from? |
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Definition
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Term
What is meant by covalent? |
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Definition
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Term
What does a condensation reaction do? |
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Definition
attaches monomers by removing a molecule of water |
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Term
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Definition
breaks down molecules by adding water |
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Term
What is the bond that makes triacylglycerides? |
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Definition
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Term
What law of thermodynamics says that you canot create or destroy energy? |
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Definition
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Term
What law of thermodynamics says that you can change an energy's form? |
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Definition
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Term
What law of thermodynamics says that the everything in the universe is moving towards disorder? |
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Definition
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Term
What is the loss of electrons called? |
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Definition
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Term
What is the gain of electrons called? |
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Definition
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Term
How do enzymes speed up chemical reactions? |
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Definition
Lowering the activation energy |
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Term
An anabolic pathway does what? |
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Definition
building up, biosynthetic |
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Term
A catabolic pathway does what? |
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Definition
break things apart, degradative |
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Term
What kind of replication does DNA go through? |
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Definition
semi-conservative replication |
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Term
Would the replication of DNA be anabolic or catabolic? |
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Definition
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Term
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Definition
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Term
Where does trascription take place? |
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Definition
nucleus in eukaryotic cells, cytoplams in prokaryotic cells |
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Term
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Definition
diffusion of water following its concentration gradient through a semipermiable membrane |
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Term
Where does water move in a hypertonic cell? |
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Definition
out of the cell (more water inside the cell) |
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Term
Where does water move in a hypotonic cell? |
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Definition
into the cell (more water outside the cell) |
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Term
What is the average pH of urine? |
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Definition
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Term
What is the average pH of blood? |
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Definition
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Term
What is the average pH of cerebral spinal fluid (CSF)? |
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Definition
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Term
What is the average stomach pH? |
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Definition
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Term
What is the pH of saliva? |
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Definition
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Term
What is the pH of intestinal fluids? |
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Definition
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Term
What are the amino acids containing sulfur? |
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Definition
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Term
What are the positively charged amino acids? |
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Definition
Histadine, Argainine, Lysine |
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Term
What are the negatively charged amino acids? |
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Definition
aspartic acid, and glutamic acid |
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Term
What are the non-polar amino acids? |
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Definition
Valine, Methionine, Leucine, Alanine, Glycine, Isoleucine, Proline |
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Term
What are the essential amino acids? |
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Definition
Phenolalanine, Valine, Threonine, Tryptophan, Isoleucine, Methionine, Histidine, Alanine, Leucine, Lysine |
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Term
What proteins have primary structure? |
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Definition
All proteins have primary structure |
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Term
What happens if you change the structure of a protein? |
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Definition
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Term
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Definition
Break down proteins (pepsin, chymotrypsin, trypsin) |
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Term
Where does Pepsin break peptide bonds? |
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Definition
Aromatic (Phe, Trp, Tyr) on the AMINO side |
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Term
Where does chymotrypsin break peptide bonds? |
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Definition
Aromatic (phe, try, trp) on the carboxyl side |
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Term
Where does trypsin break peptide bonds? |
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Definition
Lysine, Arginine, and Histadine |
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Term
What increases blood glucose levels? |
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Definition
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Term
What decreases blood glucose levels? |
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Definition
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Term
What is the function of carbonic anhydrase? |
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Definition
converts carbon dioxide and water to bicarbonate and the reverse reaction |
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Term
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Definition
carries or transports oxygen and carbon dioxide in the blood |
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Term
What does Lactate dehydrogenase enzyme do? |
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Definition
converts pyruvate to lactate; reduction reaction |
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Term
What does ceruloplasmin do? |
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Definition
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Term
What takes glycogen and makes glucose-1-phospate? |
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Definition
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Term
What does pyruvate dehydrogenase do? |
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Definition
pyruvate to acetyl CO-A; oxidation reaction |
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Term
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Definition
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Term
What enzyme transports iron? |
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Definition
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Term
What is an active site of an enzyme? |
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Definition
a specific site where a substrate can bind with the enzyme |
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Term
What is an allosteric site? |
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Definition
seperate than the active site where inorganic or organic bind to make the enzyme function |
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Term
What kind of activity does an oxidoreductase have? |
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Definition
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Term
What type of activity does a lyase have? |
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Definition
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Term
What kind of activity does a hydrolase have? |
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Definition
using water to break bonds |
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Term
What kind of activity does a ligase have? |
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Definition
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Term
What kind of activity does a transferase have? |
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Definition
group transfer between molecules (intermolecular arrangement) |
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Term
What kind of activity does an isomerase have? |
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Definition
rearrangement within a single molecule (intramolecular) |
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Term
What are the three types of control mechanisms that regulate enzyme activity? |
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Definition
pH, temperature, and inhibitors (competitive and noncompetitive) |
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Term
What is an inactive precursor called? |
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Definition
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Term
What is partial proteolysis? |
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Definition
removing a piece of the enzymes structure, usually to activate an enzyme; irreversible |
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Term
What does a phosphatase enzyme usually do? |
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Definition
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Term
What does a phosphatase enzyme do? |
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Definition
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Term
Feedback inhibition is also known as what? |
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Definition
allosteric control or non-competitive inhibition |
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Term
What is the functional name of vitamin B1? |
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Definition
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Term
What is the active form of B1? |
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Definition
Thiamin pyrophosphate (TPP) |
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Term
What vitamin is needed for reactions that convert aldehydes into ketones, or vice versa? |
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Definition
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Term
What can a deficiency in vitamin B1 cause? |
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Definition
build up of pyruvate, compromised energy production, Beri Beri |
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Term
What is the functional name of vitamin B2? |
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Definition
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Term
What is the active form of vitamin B2? |
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Definition
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Term
What does a deficiency in riboflavin cause? |
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Definition
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Term
What is the functional name of vitamin B3? |
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Definition
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Term
What is the active form of vitamin B3? |
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Definition
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Term
Deficiency of vitamin B3 causes what? |
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Definition
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Term
What are the symptoms of pellagra? |
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Definition
dermatitis, diarrhea, dementia, death |
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Term
What is the functional name of vitamin B5? |
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Definition
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Term
What is the active form of Pantothenic acid? |
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Definition
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Term
What is the functional name of B6? |
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Definition
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Term
What is the active form of B6? |
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Definition
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Term
What are the functions of pyridoxine (B6)? |
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Definition
protein metabolism and transaminations |
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Term
What does a deficiency of B6 cause? |
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Definition
a build up of amino groups or ammonia |
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Term
What is biotin's active form? |
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Definition
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Term
What is the function of biotin? |
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Definition
carbon carrier, pyruvate carboxylase, proprionyl CO-A carboxylase |
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Term
What happens if you have a deficiency of biotin? |
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Definition
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Term
What is the functional name of B9? |
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Definition
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Term
What is the active form of B9? |
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Definition
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Term
What is the function of folate (B9)? |
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Definition
metabolism of amino acids and nucleic acids |
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Term
What does deficiency of vitamin B9 cause? |
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Definition
inhibition of DNA synthesis leads to megaloblastic anemia; neural tube defects; increased risk of cancer |
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Term
What is vitamin B12's functional name? |
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Definition
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Term
What is the active form of cobalamin (B12)? |
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Definition
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Term
What are the functions of vitamin B12? |
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Definition
extrinsic factor to avoid pernicious anemia |
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Term
What vitamin contains cobalt? |
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Definition
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Term
What does a deficiency of B12 cause? |
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Definition
increased demyelination b/c decreased fatty acid synthesis; pernicious anemia |
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Term
What is the functional name of vitamin C? |
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Definition
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Term
What is the active form of ascorbic acid? |
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Definition
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Term
What is the function of vitamin C? |
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Definition
antioxidant; collagen production |
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Term
What does a deficiency of vitamin C cause? |
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Definition
sagging skin, facial lines; poor collagen; Scurvy |
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Term
What can lower levels of Vitamin C? |
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Definition
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Term
What are the fat soluble vitamins? |
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Definition
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Term
What is the functional name of vitamin A? |
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Definition
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Term
What is the active form of vitamin A? |
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Definition
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Term
What are the functions of vitamin A? |
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Definition
antioxidant; healthy skin, bones and teeth; needed for production of night vision pigments |
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Term
What does a deficiency of vitamin A cause? |
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Definition
poor skin quality, bone, and teeth; night blindness |
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Term
What is the functional name of vitamin D? |
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Definition
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Term
What is the active form of vitamin D? |
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Definition
1,25-dihydroxycholecalciferol |
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Term
What is the function of vitamin D? |
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Definition
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Term
What does a deficiency of vitamin D cause? |
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Definition
poor quality bones, rickets, and osteomalacia |
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Term
What is the functional name of Vitamin E? |
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Definition
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Term
What is the active form of vitamin E? |
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Definition
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Term
What is the functions of vitamin E? |
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Definition
antioxidant, stabilize cell membrane, prevents epoxides from forming (rancid lipids) |
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Term
What does a deficiency of vitamin E cause? |
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Definition
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Term
What is the active form of vitamin K? |
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Definition
phylloquinone or phytylmenaquinone |
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Term
What is the function of vitamin K? |
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Definition
blood coagulation components |
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Term
What happens if their is a deficiency of vitamin K? |
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Definition
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