From Samplex Flashcards

0
Q

Amino acids that are both ketogenic and glucogenic

A

Phenylalanine, isoleucine, tyrosine and tryptophan

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1
Q

Amino acids that are exclusively ketogenic

A

Leucine, lysine

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2
Q

Most common precipitating fx to g6pd def

A

Infection

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3
Q

Causes of hypochromic, microcytic anemia

A

CLITS (anemia of Chronic disease, lead poisoning, iron def anemia, thalassemia, sideroblastic anemia)

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4
Q

Bilirubin bound to albumjn

A

Delta bilirubin

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5
Q

Bilirubin must be below what level to prevent devt of jaundice

A

2.5mg/dL

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6
Q

Conjugated with primary bile acids to form bile salts

A

Taurine and glycine

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7
Q

Precursor for phenylalanine

A

Tyrosine

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8
Q

Precursor for thyroxine and melanin

A

Tyrosine

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9
Q

Precursor for niacin, serotonin and melatonin

A

Tryptophan

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10
Q

Precursor for homocystreine

A

Methionine

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11
Q

Deletion or addition of a base wc results in protein products that are shorter than normal and hence usually non functional

A

Frameshift

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12
Q

Formation of a new stop codon making the protein shorter and non functional

A

Non sense

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13
Q

New codon specifying the same amino acid, no effect on protein function

A

Silent mutation

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14
Q

Most common genetic error of amino acid transport

A

Cystinuriq

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15
Q

Cystinuria presents with defective kidney tubule reabsorption of wc aa?

A

COLA cysteine, ornithine, lysine, arginine

16
Q

Hexagonal shaped crystals in the urine is present in what disease?

A

Cystinuria

17
Q

Earliest detectable cardiac element found in plasma during MI

A

Myoglobin

18
Q

Reservoir of arachidonic acid in cellular membranes

A

Phosphatidyl inositol

19
Q

Interaction between stacked adjacent based pairs

A

Van der waala and hydrophobic

20
Q

Connects monomeric units of DNA to become polymeric forms

A

3-4 phosphodiester bonds

21
Q

Hypoglycib

A

Jamaican vomiting sickness

22
Q

Lack of mitochondrial medium chain acyl coA dehydrogenase

A

Dicarboxylic aciduria

23
Q

Accumulation of polyenoic acid in the brain

A

Zellwrger

24
Q

Absence of peroxisomes

A

Zellweiger syndrome

25
Q

Exists as a dimer and a monomer(Ig)

A

A

26
Q

Secretory IgA exists as a

A

Dimer

27
Q

IgM exists as a

A

Monomer,dimer, pentamer

28
Q

Exists purely as monomers

A

Ig GED