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Biochem

Biochem

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N. G.
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N. G.
This flashcard set covers advanced biochemistry topics at the university level, focusing on enzymes, glucose metabolism, protein synthesis, and hormone regulation. It delves into the specifics of enzyme reactions, the role of glucose in various biochemical pathways, and the synthesis and degradation of proteins and glycogen. The set also explores the functions of hormones like insulin, the structure and function of blood components, and the specifity of various biochemical reactions. Medical students and researchers will find this set particularly useful for understanding complex biochemical processes and their implications in health and disease.
Flashcards
112
Students
4
Language
English
Category
Medical
Level
University
Created / Updated
19.05.2018 / 26.06.2019
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Flashcards

The reactions of heme synthesis occur 

which of the statements concerning gout is not true ?

Name AA predominantly occuring in collagen 

Thick filaments contain 

Thin filaments contain

adrenaline binding with its respective receptor 

NADPH oxidase

G-actin

an enzyme required in the liver for the accumulation of glucose is

Mucopolysaccharidoses 

NADPH is generated in erythrocytes 

The substitution of glycine with tryptophan in the structure of collagen would lead to 

Most Iron transported in the blood serum is

visual cycle is associated with 

Diacylgycerol (DAG) stimulates

Deficiency of Vitamin D causes

collagen and elastin have the following similarity 

Xenobiotics metabolism in the liver 

Which hormones binds to intracellular receptors?

Major inducer of 1-alpha-hydroxylase is 

Iron is mainly absorbed from

Insulin

cAMP response element binding protein (CREB)

Which of the following hormones does not act via a G protein coupled receptor?

Ca in the muscle cell is collected in 

Which enzymes uses pyridoxal phosphat as coenzyme?

Receptors of steroid hormones are localized in 1......................

1. cytosol and in nucleus of target cells 

 

The end product of degradation of purine is

Uric acid

trypsin is produced in the 1..................... in inactive form called 2.............. and is activated into active trypsin in the 3...............cytalyzed by 4...................... or 5.......................

Typsin is cleaving proteins at 6....................

  1. Pancreas 
  2. trypsinogen 
  3. small intestine 
  4. Enteropeptidase 
  5. Typsin
  6. Lys Arg

Ceratine is produced from 1................. and 2................... the reaction necessary for its formation are occuring in the following tissues 3.................................

  1. Arginine 
  2. Glycine 
  3. Kidney -> liver ->(muscle)

which of the following is correctly pairs of an AA with a valid chemical characteristic 

Iron is taken up by intestinal cells and can be stored in association with 1............... It can be transferred into plasma, acted upon  by 2....................... and transported by 3...................... to respective 4.....................

  1. ferritin 
  2. ferroxidase
  3. transferrin 
  4. receptors 

1............... is the precusor in prostaglandin synthesis. It is synthesized in two ways from an essential AA named 2.................. or from a 3................. associated with membranes by the enzyme 4...........................

  1. Arachidonic acid 
  2. linoleic acid
  3. phospholipid 
  4. phospholipase A2

Glutamine is converted to glutamate and ammonia by the enzyme named 1......................... this reaction is occuring in the following tisssues 2.......................... and 3.....................

  1. Glutaminase 
  2. Liver 
  3. Kidney

The endproduct of purine degradation is 1.................. whose underexcreation leads to the development of 2............ the symptoms include 3.................. the disease can be treated with 4...................... which is an inhibitor of 5............

  1. uric acid
  2. gout
  3. Kidney stones and gouty arthritis
  4. allopurinol 
  5. xanthine oxidase 

Glycerol obtained from tryglycerides upon degradation in adipose tissue cant be simply phosphorylated to G3P because of the lack of1.................... Instead glycerol is transported trough the blood to the 2.........., where it can be phosphorylated The resulting glycerol phosphate can be used to form either 3............... or 4...........

  1. Glycerol kinase
  2. Liver
  3. TAGs
  4. glucose 

Iron is released from heme in a reaction catalyzed by

The reactions of the urea cycle occur 

In alkapatuniria (black urine disease) which of the following accumulates abnormally in the urine

Select correct sentence concerning y-glutamyl cycle

  1. is involved in transport of amino acids
  2. is involved in purine synthesis 
  3. is connected with Na+/K+ exchanging ATPase
  4. requires ATP for glutatione regeneration
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