Term
Amino acids are incorporated into |
|
Definition
|
|
Term
All amino acids exist in the L-Form except |
|
Definition
|
|
Term
|
Definition
|
|
Term
Glycine is the most abundant amino acid in |
|
Definition
|
|
Term
|
Definition
different compounds at each binding site |
|
|
Term
Which amino acids are amphoteric |
|
Definition
|
|
Term
What is the mneumonic for essential amino acids? |
|
Definition
|
|
Term
|
Definition
Phenylalanine Valine Tryptophan |
|
|
Term
|
Definition
Threonine Isoleucine Methionine |
|
|
Term
|
Definition
Histidine Arginine Leucine Lysine |
|
|
Term
Which amino acid is conditionally essential |
|
Definition
histidine (essential for child but not adult) |
|
|
Term
Which amino acids are purely ketogenic |
|
Definition
|
|
Term
Which amino acid is a precursor to carnitine |
|
Definition
|
|
Term
What takes FA into the mitochondria for beta oxidation |
|
Definition
|
|
Term
Which amino acids are aromatic |
|
Definition
phenylalanine, tryptophan, and tyrosine |
|
|
Term
Which aromatic amino acids are essential |
|
Definition
phenylalanine, tryptophan |
|
|
Term
Which aromatic essential amino acid has an indole ring |
|
Definition
|
|
Term
Which amino acids contain sulfur |
|
Definition
cysteine, methionine, cystine |
|
|
Term
Which sulfur containing amino acids are essential |
|
Definition
|
|
Term
Which amino acid contains sulfur and has 2 cysteines linked together |
|
Definition
|
|
Term
What are three branched chain amino acids |
|
Definition
leucine, isoleucine, valine (LIV) (all essential) |
|
|
Term
If a patient can not break down branched chain amino acids they will have |
|
Definition
maple syrup urine disease |
|
|
Term
Which amino acids are acidic |
|
Definition
aspartate and glutamate (oxaloacetate and alpha ketoglutemate) NEITHER ESSENTIAL |
|
|
Term
|
Definition
aspartic acid and in excess is neurotoxic |
|
|
Term
Which are the basic amino acids |
|
Definition
histidine, arginine, lysine, |
|
|
Term
Which amino acids have the greatest postitive net charge at normal pH of blood? |
|
Definition
Basic amino acids (histidine, arginine, lysine) |
|
|
Term
Limiting amino acids of Wheats, rice, grains are |
|
Definition
|
|
Term
Limiting amino acids of Legumes (beans, peas, chickpeas, fruitin pod) |
|
Definition
|
|
Term
Limiting amino acids of maize (corn) |
|
Definition
|
|
Term
Limiting amino acids of pulses (legumes) |
|
Definition
|
|
Term
Limiting amino acids of egg and chicken are |
|
Definition
|
|
Term
A deficiency of phenylalanine hydroxylase will = |
|
Definition
phenylketonuria (PKU) [cannot convert to tyrosine] |
|
|
Term
Catecholamines all end in ine which are |
|
Definition
tyrosine- Ldopa- dopamine- norepinephrine- epinephrine |
|
|
Term
Tyrosine converts to L-dopa to create |
|
Definition
|
|
Term
|
Definition
the body can not convert L dopa to melanin |
|
|
Term
|
Definition
|
|
Term
Tryptophan is the precursor for |
|
Definition
|
|
Term
Tryptophan is also the precursor for |
|
Definition
Niacin (B3) and Nicotinamide |
|
|
Term
For every 10 kg of body weight we need ___ grams of protein |
|
Definition
|
|
Term
If there was a 100kg person how much protein would they need |
|
Definition
|
|
Term
What Is it called when the pH of an amino acid when there is no net electrical charge |
|
Definition
|
|
Term
What is it called when there is an amino acid with a charge of zero? (isoelectric point)*** |
|
Definition
|
|
Term
What is a tripeptide of glycine + Glutamate + Cysteine |
|
Definition
|
|
Term
What is the mineral for enzyme Glutathione Peroxidase |
|
Definition
|
|
Term
What is 2 polypeptide chains linked by a disulfide bond? |
|
Definition
|
|
Term
What is not part of the animal cell membrane but helps glucose bind to the cell ** |
|
Definition
|
|
Term
What are two polypeptide hormones |
|
Definition
|
|
Term
what are two catecholamines |
|
Definition
epinepherine, norepinepharine |
|
|
Term
|
Definition
testosterone, cortisol, estrogen, progesterone |
|
|
Term
what is the characteristic bond of all protiens |
|
Definition
|
|
Term
Formation of a peptide bond is a |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
alpha helices and beta pleated sheets with both structures held together by a hydrogen bond |
|
|
Term
Example of a secondary bond |
|
Definition
|
|
Term
|
Definition
folding of a single polypeptide in solution |
|
|
Term
|
Definition
myoglobin (disulfide bond) |
|
|
Term
|
Definition
association of 2 or more polypeptide chains to make a functional protein |
|
|
Term
example of a quaternary bond |
|
Definition
Hemoglobin (alpha2beta2) Allosteric compond Hydrogen and disulfide bonds |
|
|
Term
Quaternary bonds like hemoglobin are |
|
Definition
disulfide bonds that connect the light and heavy chains of an antibody |
|
|
Term
|
Definition
catalysts by increasing the rate of a reaction by lowering the activation energy |
|
|
Term
Are enzymes consumed in a reaction |
|
Definition
|
|
Term
What is defined as a molecule which enzymes act upon |
|
Definition
|
|
Term
What is a measure of the affinity that an enzyme has toward the substrate |
|
Definition
|
|
Term
A decrease in Km will ___ the affinity |
|
Definition
increase (inverse relationship) |
|
|
Term
The max velocity of the enzyme is the |
|
Definition
|
|
Term
|
Definition
|
|
Term
Which factors affect the reaction velocity |
|
Definition
ph, concentration, temperature |
|
|
Term
Maximum velocity of an enzyme catalyzed reaction is the |
|
Definition
|
|
Term
At Full Vmax the enzyme will be |
|
Definition
|
|
Term
The amount of sustrate required to reach 1/2 of vmax is known as |
|
Definition
|
|
Term
The greatest affinity will be at |
|
Definition
|
|
Term
What type of inhibitors bind at the binding site and do not let the substrate bind |
|
Definition
|
|
Term
Competitive inhibitors will |
|
Definition
increase the Km No change in Vmax Affinity goes down |
|
|
Term
Non competitive inhibitors will |
|
Definition
bind anywhere other than the site |
|
|
Term
Noncompetitive inhibitors will have |
|
Definition
no change in Km decrease in the Vmax (takes longer to reach vmax) |
|
|
Term
What are the type of enzymes that act as rate limiting steps for an entire metabolic pathway |
|
Definition
|
|
Term
Allosteric enzymes will change shape to |
|
Definition
|
|
Term
Allosteric enzyme activity will be modulated by allosteric effectors for example |
|
Definition
PFK is inhibited by increased ATP |
|
|
Term
What is the measure of the amount of energy available to determine if a reaction is energetically possible |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
reaction is non spontaneous/unfavorable Endergonic |
|
|
Term
|
Definition
reaction is spontaneous/favorable exergonic (heat) |
|
|
Term
If the free energy of a reaction is -5.14 it is |
|
Definition
spontaneous/favorable/exergonic |
|
|
Term
if the free energy is 6.24 it is |
|
Definition
nonspontaneous/nonfavorable/endergonic |
|
|
Term
What are converted to coenzymes in the body? |
|
Definition
|
|
Term
Minerals are converted to |
|
Definition
|
|
Term
What is the active form vitamin B1 Thiamine |
|
Definition
|
|
Term
Vitamin B1 thiamine cause what reaction? |
|
Definition
decarboxylation (removal of CO2) |
|
|
Term
If there is deficiency of vitamin B1 thiamine what disease will incur |
|
Definition
Beri Beri (wet-cardiovascular; Dry- PNS) Wernicke Korsakoff Syndrome |
|
|
Term
What disease will the patient have numbness of the legs |
|
Definition
|
|
Term
What disease will the patient have psychosis with dimentia |
|
Definition
|
|
Term
What is the active form of Vitamin B2 Riboflavin |
|
Definition
FAD (flavin Adenine dinucleotide) |
|
|
Term
What is the reaction of B2 Riboflavin |
|
Definition
Oxidation/Reduction Reaction= Dehydrogenase Enzyme |
|
|
Term
If there is a deficiency of B2 Riboflavin what disease |
|
Definition
Cheilosis Angular Stomatitis (cracking on the sides) Magenta tongue |
|
|
Term
Milk exposed to light will have a deficiency in |
|
Definition
|
|
Term
Vitamin B3 Niacin active form |
|
Definition
NAD+ NADP+ Nicatinamide Adenine dinucleotide |
|
|
Term
What reaction will B3 niacin cause |
|
Definition
Oxidation/reduction reaction=dehydrogenase enzyme |
|
|
Term
If there is a niacin (B3) deficiency there will be |
|
Definition
Pellagra (4d: dementia, diarrhea, dermatitis, death) |
|
|
Term
What are the derivatives of Niacin |
|
Definition
Tryptophan - Niacin- Nicatinamide |
|
|
Term
B5 (citrus fruit) Active form is called |
|
Definition
|
|
Term
|
Definition
structural component of coenzyme A |
|
|
Term
Deficiency of B5 will cause |
|
Definition
burning foot syndrome (parasthesias) |
|
|
Term
What is a common factor of B5 deficiency |
|
Definition
|
|
Term
B6 pyridoxine active form |
|
Definition
|
|
Term
What are 2 reactions of B6 pyridoxine |
|
Definition
1. Transanimation (keto acid-Amino acid) 2. amino acid metabolism |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
carboxylation (+CO2) Acetyl CoA Carboxylase Pyruvate Carboxylase |
|
|
Term
|
Definition
Avidin in egg whites depletes biotin |
|
|
Term
|
Definition
|
|
Term
B9 Folic Acid/Folate active form |
|
Definition
|
|
Term
|
Definition
one carbon transfers (methyl transfer) DNA & RNA synthesis |
|
|
Term
Deficiency diseases of Folic acid are |
|
Definition
Megaloblastic Anemia Glossitis (inflammation of tongue) Neural tube defects (Spina bifida/Cleft Palate) |
|
|
Term
B12 Cobalamin active form |
|
Definition
|
|
Term
|
Definition
homocysteine remethylation |
|
|
Term
Deficiency of B12 Cobalamin are |
|
Definition
Pernicous anemia from decreased intrinsic factor If untreated Posterolateral sclerosis AKA combined systems disease ** B12 deficiency from any other cause is megaloblastic anemia (vegetarians) |
|
|
Term
|
Definition
cobalt found in animal products (lacks in vegetarians) |
|
|
Term
Vitamin C ascorbic acid reaction |
|
Definition
hydroxylation of proline and lysine in collagen. Enhances iron absorption |
|
|
Term
Vitamin C deficiency is seen with |
|
Definition
Scurvy (bleeding gums) Proline- Hydroxyproline Fe3+ to Fe2+ |
|
|
Term
Vitamin C is sourced from and destroyed by |
|
Definition
destroyed by heat One of the highest sources is brussel sprouts |
|
|
Term
Water Soluable Vitamins are |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
night blindness (Nyctolopia) keratomalacia (degeneration of the cornea) Xerophthalmia= dry eyes |
|
|
Term
|
Definition
vitamin for the immune system |
|
|
Term
|
Definition
1,25 dihyroxycholecaliferol |
|
|
Term
|
Definition
calcium and phosphate metabolism |
|
|
Term
Vit D deficiency is seen with |
|
Definition
Rickets in young Osteomalacia in adults |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Excess Vit E is seen with |
|
Definition
|
|
Term
|
Definition
|
|
Term
Vit K is aka hydroquinone or menadione seen in |
|
Definition
|
|
Term
|
Definition
blood clotting and is a precursor to coenzyme Q |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|