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Boards > Becky's Random ass stuff > Flashcards

Becky's Random ass stuff Flashcards

1
Q

What amino acids make up a histone?

A

Arginine and lysine (positive charge)

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2
Q

What does CpG methylation do to DNA

A

Makes DNA mute

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3
Q

orange sand in the diaper

A

Lesch Nyhan Syndrome (sodium urate crystals)

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4
Q

what amino acids are encoded by only one codon?

A

Methionine (AUG) and Tryptophan (UGG)

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5
Q

rate limiting step of Glycolysis

A

Phosphofructokinase-1

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6
Q

rate limiting step of Gluconeogenesis

A

Fructose 1,6 Bisphosphatase

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7
Q

rate limiting step of TCA cycle

A

Isocitrate dehydrogenase

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8
Q

rate limiting step of Glycogenesis

A

Gluycogen synthase

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9
Q

rate limiting step of Glycogenolysis

A

Glyogen phosphorylase

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10
Q

rate limiting step of HMP shunt

A

Glucose-6-Phosphate dehydrogense

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11
Q

rate limiting step of De novo pyrimidine synthesis

A

Carbamoyl phosphate synthetase II

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12
Q

rate limiting step of De novo purine synthesis

A

Glutamine-phosphoriboylpyrophasphate (PRPP) amidotransferase

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13
Q

rate limiting step of Urea cycle

A

Carbamoyl phosphate synthetase I

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14
Q

rate limiting step of Fatty acid synthesis

A

Acetyl-CoA corboxylase (ACC)

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15
Q

rate limiting step of Fatty acid oxidation

A

Carnitine acyltransferase I

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16
Q

rate limiting step of Ketogenesis

A

HMG-CoA synthase

17
Q

rate limiting step of Cholesterol synthesis

A

HMG-CoA reductase

18
Q

What is mutated in maturity onset diabetes of the young (MODY)?

A

Glucokinase

19
Q

What co factor is inhibited by arseni

A

Lipoic acid

20
Q

TLC For Nancy are cofactors for what reaction?

A

Pyruvate dehydrogenase complex (pyruvate–>acetyl-CoA)

alpha-ketoglutarate dehydrogenase complex (alpha ketoglutarte –>succinyl-CoA)

21
Q

Sx: vomiting, rice water stool, garlic breath

A

arsenic poisoning

22
Q

what cytokines do lipoteichoic acids induce?

A

TNF and IL-1

23
Q

Caisson disease

A

air emboli - nitrogen bubbles, decompression sickness

24
Q

Caplan syndrome

A

pneumoconiosis and rheumatoid arthritis

25
Q

Cafe au lait spots unilateral, fibrous dyplasia, endocrine abnormalities

A

McCune Albright Syndrome

26
Q

Codman’s triangle

sunburst

A

Osteosarcoma

27
Q

Chunks of bone

A

osteochondroma

28
Q

soap bubble lesions

A

osteoclastoma

29
Q

onion skinning bone lesion

A

Ewing’s sarcoma

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