[RECALLS] DocOlavides1stevals2ndsemAAandpr FILE Flashcards
Nucleus of amino acid is:
a-carbon
a-amino acid are those with:
amine group attached
Protein molecule is composed of:
L-alpha- amino acid
Non-asymmetric alipathic amino acid
glycine
“MELICAV” amino acid with an a-carboxyl group.
valine
In the polypeptide chain, KILAW….LAMI, the amino acid with an a-amino group attached is:
lysine
Glu-Leu-Iso-Phe-Ala-Thr-Met-Tyr-Lys-Arg
ELIFATMYKR
Hydroxylated aromatic amino acid
tyrosine
An hydrophilic amino acid
a. IIsoleucine
b. Leucine
c. Glycine
d. Cysteine
Cysteine or glycine?
Amino acid that is abundant in tandem repeats in mucin:
a. Glycine
b. Alanine
c. Phenylalanine
d. Methionine
e. Proline
e. Proline
The common substrate is serine
a. 3-phosphoglycerate
b. Pyruvate
c. Oxaloacetate
d. Alphaketoglutarate
a. 3-phosphoglycerate
The only amino acid whose intermediate is alanine A. Tyrosine B. Serine C. Threonine D. Hydroxyalanine
A. Tyrosine
Enzymr that cataluzes transamination of puruvate acid to alanine
A. Serum glutamic oxaloacetate transaminase
B. pyruvate dehydrogenase
C. Alanine hydroxymethyl transferase
D. Alanine transaminase
D. Alanine transaminase
Final stage for synthesis of serine:
A. Oxidation
B. Transamination
C. Dephosphorylation
D. Reduction
C. Dephosphorylation
The hydroxylation of this amino acid from its precursor is irreversible. A. Aspartic Acid B. Glutamic Acid C. Tyrosine D. Alanine
C. Tyrosine
Breast milk is preferred for one year (T/F):
False (because for 6 months)?
Increase in volume = increase in milk fat (T or F)
False
Main component of casein is B-albumin
False
*Alpha
True or False:
Amount of prolactin produced is proportional to …. nipple stimulation.
True
True or False:
The concentration of tocopherols are high in colostrum, it decreases and stabilizes in mature
milk.
True
True or False:
Smoking limits maternal supply. But it is better to smoke and breastfeed than to smoke and
not breastfeed.
True
True or False:
Transplacental transfer of vitamin K is adequate.
False
True or False:
More preferred LC-PUFA pathway is omega-3-pathway.
True
True or False:
More preferred LC-PUFA pathway is omega-3-pathway.
True
True or False:
Vegan mothers require Vitamin B supplementation.
False
*iron ila need. High in B vit ang veggies except for b12 synthesized by intestinal bacteria
True or False:
Malunggay will enhance milk production even if post partum mothers do not breastfeed.
False
This hormone prevents lactation during pregnancy:
Progesterone
Cellular mechanism to most of milk components:
Exocytosis
Secretory IgA is secreted by:
Transyctosis
Milk progesterone:
Prolactin
Fat milk globule once enveloped by plasma membrane is released by:
Budding
The mechanism to most of the milk components:
Exocytosis
Pyruvate to alanine:
Alanine
Reversible conversion of aspartic acid and asparagine:
AST
Amino acid that functions in the transport of nitrogen from peripheral tissues to the liver?
(paki-edit if mali ang question…not sure. thanks)
Alanine
Non-ionizable site:
H group
Non essential amino acid
Tyrosine
Which essential amino acid does not have an a-ketoacid precusor?
Threonine
3-phosphoglycerate intermediate of:
Serine
Last step in synthesis:
Dephosphorylation
Provide proteins with unique structural and functional properties:
Side chains (R chains)
valine differes from this aa by replacement of the hydroxyl froup with a methyl substituent:
threonine
An essential amino acid having branched hrdrocarbon side chains
Isoleucine
Indole funcrional froip on BC electronegative atom in ring system
Tryptophan
Phenylanine with aromatic OH group
Tyrosine
Express the strength of amino acid acidity
pKa
guanidino group
Arginine
polar and negatively charged at physiological pH
acidic amino acids
present in tandem repeats
proline
Does not have a chiral center, no D/L isomer
glycine
